diff --git a/.hgignore b/.hgignore
index 4b97af97..5fdc865a 100644
--- a/.hgignore
+++ b/.hgignore
@@ -13,3 +13,10 @@
 /CrazyDebug.*
 /Debug.*
 /Release.*
+
+# Files generated by Mac OS X Finder
+(^|/)\.DS_Store$
+
+# Files generated by Windows Explorer
+(^|/)Desktop\.ini$
+(^|/)Thumbs\.db$
diff --git a/core/sourcemm_api.cpp b/core/sourcemm_api.cpp
index 385fc220..edaa615b 100644
--- a/core/sourcemm_api.cpp
+++ b/core/sourcemm_api.cpp
@@ -87,7 +87,7 @@ bool SourceMod_Core::Load(PluginId id, ISmmAPI *ismm, char *error, size_t maxlen
 	
 	ismm->AddListener(this, this);
 
-#if defined METAMOD_PLAPI_VERSION
+#if defined METAMOD_PLAPI_VERSION || PLAPI_VERSION >= 11
 	if ((vsp_interface = g_SMAPI->GetVSPInfo(&vsp_version)) == NULL)
 #endif
 	{
@@ -177,7 +177,7 @@ void SourceMod_Core::OnVSPListening(IServerPluginCallbacks *iface)
 		return;
 	}
 
-#if defined METAMOD_PLAPI_VERSION
+#if defined METAMOD_PLAPI_VERSION || PLAPI_VERSION >= 11
 	if (vsp_version == 0)
 	{
 		g_SMAPI->GetVSPInfo(&vsp_version);
diff --git a/public/mms_sample_ext/Makefile b/public/mms_sample_ext/Makefile
index b78d6140..722a2295 100644
--- a/public/mms_sample_ext/Makefile
+++ b/public/mms_sample_ext/Makefile
@@ -1,4 +1,4 @@
-# (C)2004-2008 SourceMod Development Team
+# (C)2004-2009 SourceMod Development Team
 # Makefile written by David "BAILOPAN" Anderson
 
 SMSDK = ..
@@ -7,7 +7,8 @@ HL2SDK_ORIG = ../../../hl2sdk
 HL2SDK_OB = ../../../hl2sdk-ob
 HL2SDK_OB_VALVE = ../../../hl2sdk-ob-valve
 HL2SDK_L4D = ../../../hl2sdk-l4d
-MMSOURCE17 = ../../../mmsource-1.7
+HL2SDK_L4D2 = ../../../hl2sdk-l4d2
+MMSOURCE18 = ../../../mmsource-1.8
 
 #####################################
 ### EDIT BELOW FOR OTHER PROJECTS ###
@@ -33,9 +34,10 @@ ifeq "$(ENGINE)" "original"
 	HL2PUB = $(HL2SDK)/public
 	HL2LIB = $(HL2SDK)/linux_sdk
 	CFLAGS += -DSOURCE_ENGINE=1
-	METAMOD = $(MMSOURCE17)/core-legacy
+	METAMOD = $(MMSOURCE18)/core-legacy
 	INCLUDE += -I$(HL2SDK)/public/dlls
 	SRCDS = $(SRCDS_BASE)
+	LIB_SUFFIX = i486
 	override ENGSET = true
 endif
 ifeq "$(ENGINE)" "orangebox"
@@ -43,9 +45,10 @@ ifeq "$(ENGINE)" "orangebox"
 	HL2PUB = $(HL2SDK)/public
 	HL2LIB = $(HL2SDK)/lib/linux
 	CFLAGS += -DSOURCE_ENGINE=3
-	METAMOD = $(MMSOURCE17)/core
+	METAMOD = $(MMSOURCE18)/core
 	INCLUDE += -I$(HL2SDK)/public/game/server
 	SRCDS = $(SRCDS_BASE)/orangebox
+	LIB_SUFFIX = i486
 	override ENGSET = true
 endif
 ifeq "$(ENGINE)" "orangeboxvalve"
@@ -53,9 +56,10 @@ ifeq "$(ENGINE)" "orangeboxvalve"
 	HL2PUB = $(HL2SDK)/public
 	HL2LIB = $(HL2SDK)/lib/linux
 	CFLAGS += -DSOURCE_ENGINE=4
-	METAMOD = $(MMSOURCE17)/core
+	METAMOD = $(MMSOURCE18)/core
 	INCLUDE += -I$(HL2SDK)/public/game/server
 	SRCDS = $(SRCDS_BASE)/orangebox
+	LIB_SUFFIX = i486
 	override ENGSET = true
 endif
 ifeq "$(ENGINE)" "left4dead"
@@ -63,15 +67,28 @@ ifeq "$(ENGINE)" "left4dead"
 	HL2PUB = $(HL2SDK)/public
 	HL2LIB = $(HL2SDK)/lib/linux
 	CFLAGS += -DSOURCE_ENGINE=5
-	METAMOD = $(MMSOURCE17)/core
+	METAMOD = $(MMSOURCE18)/core
 	INCLUDE += -I$(HL2SDK)/public/game/server
 	SRCDS = $(SRCDS_BASE)/l4d
+	LIB_SUFFIX = i486
+	override ENGSET = true
+endif
+ifeq "$(ENGINE)" "left4dead2"
+	HL2SDK = $(HL2SDK_L4D2)
+	HL2PUB = $(HL2SDK)/public
+	HL2LIB = $(HL2SDK)/lib/linux
+	CFLAGS += -DSOURCE_ENGINE=6
+	METAMOD = $(MMSOURCE18)/core
+	INCLUDE += -I$(HL2SDK)/public/game/server
+	SRCDS = $(SRCDS_BASE)/left4dead2
+	LIB_SUFFIX = linux
 	override ENGSET = true
 endif
 
-CFLAGS += -DSE_EPISODEONE=1 -DSE_DARKMESSIAH=2 -DSE_ORANGEBOX=3 -DSE_ORANGEBOXVALVE=4 -DSE_LEFT4DEAD=5
+CFLAGS += -DSE_EPISODEONE=1 -DSE_DARKMESSIAH=2 -DSE_ORANGEBOX=3 -DSE_ORANGEBOXVALVE=4 \
+	-DSE_LEFT4DEAD=5 -DSE_LEFT4DEAD2=6
 
-LINK = vstdlib_i486.so tier0_i486.so -m32 -ldl -lm
+LINK = vstdlib_$(LIB_SUFFIX).so tier0_$(LIB_SUFFIX).so -m32 -ldl -lm
 
 INCLUDE += -I. -I.. -I$(HL2PUB) -I$(HL2PUB)/engine -I$(HL2PUB)/tier0 -I$(HL2PUB)/tier1 \
 	-I$(METAMOD) -I$(METAMOD)/sourcehook -I$(SMSDK) -I$(SMSDK)/jit -I$(SMSDK)/jit/x86 \
@@ -116,13 +133,14 @@ $(BIN_DIR)/%.o: %.cpp
 
 all: check
 	mkdir -p $(BIN_DIR)
-	ln -sf $(SRCDS)/bin/vstdlib_i486.so vstdlib_i486.so;
-	ln -sf $(SRCDS)/bin/tier0_i486.so tier0_i486.so;
+	ln -sf $(HL2LIB)/vstdlib_$(LIB_SUFFIX).so
+	ln -sf $(HL2LIB)/tier0_$(LIB_SUFFIX).so
 	$(MAKE) -f Makefile mms_ext
 
 check:
 	if [ "$(ENGSET)" = "false" ]; then \
-		echo "You must supply ENGINE=left4dead or ENGINE=orangebox or ENGINE=original"; \
+		echo "You must supply one of the following values for ENGINE:"; \
+		echo "left4dead2, left4dead, orangeboxvalve, orangebox, or original"; \
 		exit 1; \
 	fi
 
diff --git a/public/sample_ext/Makefile b/public/sample_ext/Makefile
index dbbb5aff..3203891a 100644
--- a/public/sample_ext/Makefile
+++ b/public/sample_ext/Makefile
@@ -1,4 +1,4 @@
-# (C)2004-2008 SourceMod Development Team
+# (C)2004-2009 SourceMod Development Team
 # Makefile written by David "BAILOPAN" Anderson
 
 SMSDK = ../..
@@ -7,7 +7,8 @@ HL2SDK_ORIG = ../../../hl2sdk
 HL2SDK_OB = ../../../hl2sdk-ob
 HL2SDK_OB_VALVE = ../../../hl2sdk-ob-valve
 HL2SDK_L4D = ../../../hl2sdk-l4d
-MMSOURCE17 = ../../../mmsource-1.7
+HL2SDK_L4D2 = ../../../hl2sdk-l4d2
+MMSOURCE18 = ../../../mmsource-1.8
 
 #####################################
 ### EDIT BELOW FOR OTHER PROJECTS ###
@@ -36,9 +37,10 @@ ifeq "$(ENGINE)" "original"
 	HL2PUB = $(HL2SDK)/public
 	HL2LIB = $(HL2SDK)/linux_sdk
 	CFLAGS += -DSOURCE_ENGINE=1
-	METAMOD = $(MMSOURCE17)/core-legacy
+	METAMOD = $(MMSOURCE18)/core-legacy
 	INCLUDE += -I$(HL2SDK)/public/dlls
 	SRCDS = $(SRCDS_BASE)
+	LIB_SUFFIX = i486
 	override ENGSET = true
 endif
 ifeq "$(ENGINE)" "orangebox"
@@ -46,9 +48,10 @@ ifeq "$(ENGINE)" "orangebox"
 	HL2PUB = $(HL2SDK)/public
 	HL2LIB = $(HL2SDK)/lib/linux
 	CFLAGS += -DSOURCE_ENGINE=3
-	METAMOD = $(MMSOURCE17)/core
+	METAMOD = $(MMSOURCE18)/core
 	INCLUDE += -I$(HL2SDK)/public/game/server
 	SRCDS = $(SRCDS_BASE)/orangebox
+	LIB_SUFFIX = i486
 	override ENGSET = true
 endif
 ifeq "$(ENGINE)" "orangeboxvalve"
@@ -56,9 +59,10 @@ ifeq "$(ENGINE)" "orangeboxvalve"
 	HL2PUB = $(HL2SDK)/public
 	HL2LIB = $(HL2SDK)/lib/linux
 	CFLAGS += -DSOURCE_ENGINE=4
-	METAMOD = $(MMSOURCE17)/core
+	METAMOD = $(MMSOURCE18)/core
 	INCLUDE += -I$(HL2SDK)/public/game/server
 	SRCDS = $(SRCDS_BASE)/orangebox
+	LIB_SUFFIX = i486
 	override ENGSET = true
 endif
 ifeq "$(ENGINE)" "left4dead"
@@ -66,20 +70,33 @@ ifeq "$(ENGINE)" "left4dead"
 	HL2PUB = $(HL2SDK)/public
 	HL2LIB = $(HL2SDK)/lib/linux
 	CFLAGS += -DSOURCE_ENGINE=5
-	METAMOD = $(MMSOURCE17)/core
+	METAMOD = $(MMSOURCE18)/core
 	INCLUDE += -I$(HL2SDK)/public/game/server
 	SRCDS = $(SRCDS_BASE)/l4d
+	LIB_SUFFIX = i486
+	override ENGSET = true
+endif
+ifeq "$(ENGINE)" "left4dead2"
+	HL2SDK = $(HL2SDK_L4D2)
+	HL2PUB = $(HL2SDK)/public
+	HL2LIB = $(HL2SDK)/lib/linux
+	CFLAGS += -DSOURCE_ENGINE=6
+	METAMOD = $(MMSOURCE18)/core
+	INCLUDE += -I$(HL2SDK)/public/game/server
+	SRCDS = $(SRCDS_BASE)/left4dead2
+	LIB_SUFFIX = linux
 	override ENGSET = true
 endif
 
 ifeq "$(USEMETA)" "true"
-	LINK_HL2 = $(HL2LIB)/tier1_i486.a vstdlib_i486.so tier0_i486.so
+	LINK_HL2 = $(HL2LIB)/tier1_i486.a vstdlib_$(LIB_SUFFIX).so tier0_$(LIB_SUFFIX).so
 
 	LINK += $(LINK_HL2)
 
 	INCLUDE += -I. -I.. -Isdk -I$(HL2PUB) -I$(HL2PUB)/engine -I$(HL2PUB)/tier0 -I$(HL2PUB)/tier1 \
 		-I$(METAMOD) -I$(METAMOD)/sourcehook -I$(SMSDK)/public -I$(SMSDK)/public/sourcepawn 
-	CFLAGS += -DSE_EPISODEONE=1 -DSE_DARKMESSIAH=2 -DSE_ORANGEBOX=3 -DSE_ORANGEBOXVALVE=4 -DSE_LEFT4DEAD=5
+	CFLAGS += -DSE_EPISODEONE=1 -DSE_DARKMESSIAH=2 -DSE_ORANGEBOX=3 -DSE_ORANGEBOXVALVE=4 \
+		-DSE_LEFT4DEAD=5 -DSE_LEFT4DEAD2=6
 else
 	INCLUDE += -I. -I.. -Isdk -I$(SMSDK)/public -I$(SMSDK)/public/sourcepawn
 endif
@@ -130,14 +147,15 @@ $(BIN_DIR)/%.o: %.cpp
 all: check
 	mkdir -p $(BIN_DIR)/sdk
 	if [ "$(USEMETA)" = "true" ]; then \
-		ln -sf $(SRCDS)/bin/vstdlib_i486.so vstdlib_i486.so; \
-		ln -sf $(SRCDS)/bin/tier0_i486.so tier0_i486.so; \
+		ln -sf $(HL2LIB)/vstdlib_$(LIB_SUFFIX).so; \
+		ln -sf $(HL2LIB)/tier0_$(LIB_SUFFIX).so; \
 	fi
 	$(MAKE) -f Makefile extension
 
 check:
 	if [ "$(USEMETA)" = "true" ] && [ "$(ENGSET)" = "false" ]; then \
-		echo "You must supply ENGINE=left4dead or ENGINE=orangebox or ENGINE=original"; \
+		echo "You must supply one of the following values for ENGINE:"; \
+		echo "left4dead2, left4dead, orangeboxvalve, orangebox, or original"; \
 		exit 1; \
 	fi
 
diff --git a/public/sample_ext/msvc8/sdk.sln b/public/sample_ext/msvc8/sdk.sln
index d0bd546c..ff4dfea6 100644
--- a/public/sample_ext/msvc8/sdk.sln
+++ b/public/sample_ext/msvc8/sdk.sln
@@ -7,15 +7,19 @@ Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug - Dark Messiah|Win32 = Debug - Dark Messiah|Win32
 		Debug - Episode 1|Win32 = Debug - Episode 1|Win32
+		Debug - Left 4 Dead 2|Win32 = Debug - Left 4 Dead 2|Win32
 		Debug - Left 4 Dead|Win32 = Debug - Left 4 Dead|Win32
 		Debug - Old Metamod|Win32 = Debug - Old Metamod|Win32
 		Debug - Orange Box|Win32 = Debug - Orange Box|Win32
+		Debug - Orange Box Valve|Win32 = Debug - Orange Box Valve|Win32
 		Debug|Win32 = Debug|Win32
 		Release - Dark Messiah|Win32 = Release - Dark Messiah|Win32
 		Release - Episode 1|Win32 = Release - Episode 1|Win32
+		Release - Left 4 Dead 2|Win32 = Release - Left 4 Dead 2|Win32
 		Release - Left 4 Dead|Win32 = Release - Left 4 Dead|Win32
 		Release - Old Metamod|Win32 = Release - Old Metamod|Win32
 		Release - Orange Box|Win32 = Release - Orange Box|Win32
+		Release - Orange Box Valve|Win32 = Release - Orange Box Valve|Win32
 		Release|Win32 = Release|Win32
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
@@ -23,24 +27,32 @@ Global
 		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Debug - Dark Messiah|Win32.Build.0 = Debug - Dark Messiah|Win32
 		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Debug - Episode 1|Win32.ActiveCfg = Debug - Episode 1|Win32
 		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Debug - Episode 1|Win32.Build.0 = Debug - Episode 1|Win32
+		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Debug - Left 4 Dead 2|Win32.ActiveCfg = Debug - Left 4 Dead 2|Win32
+		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Debug - Left 4 Dead 2|Win32.Build.0 = Debug - Left 4 Dead 2|Win32
 		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Debug - Left 4 Dead|Win32.ActiveCfg = Debug - Left 4 Dead|Win32
 		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Debug - Left 4 Dead|Win32.Build.0 = Debug - Left 4 Dead|Win32
 		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Debug - Old Metamod|Win32.ActiveCfg = Debug - Old Metamod|Win32
 		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Debug - Old Metamod|Win32.Build.0 = Debug - Old Metamod|Win32
 		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Debug - Orange Box|Win32.ActiveCfg = Debug - Orange Box|Win32
 		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Debug - Orange Box|Win32.Build.0 = Debug - Orange Box|Win32
+		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Debug - Orange Box Valve|Win32.ActiveCfg = Debug - Orange Box Valve|Win32
+		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Debug - Orange Box Valve|Win32.Build.0 = Debug - Orange Box Valve|Win32
 		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Debug|Win32.ActiveCfg = Debug|Win32
 		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Debug|Win32.Build.0 = Debug|Win32
 		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Release - Dark Messiah|Win32.ActiveCfg = Release - Dark Messiah|Win32
 		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Release - Dark Messiah|Win32.Build.0 = Release - Dark Messiah|Win32
 		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Release - Episode 1|Win32.ActiveCfg = Release - Episode 1|Win32
 		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Release - Episode 1|Win32.Build.0 = Release - Episode 1|Win32
+		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Release - Left 4 Dead 2|Win32.ActiveCfg = Release - Left 4 Dead 2|Win32
+		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Release - Left 4 Dead 2|Win32.Build.0 = Release - Left 4 Dead 2|Win32
 		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Release - Left 4 Dead|Win32.ActiveCfg = Release - Left 4 Dead|Win32
 		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Release - Left 4 Dead|Win32.Build.0 = Release - Left 4 Dead|Win32
 		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Release - Old Metamod|Win32.ActiveCfg = Release - Old Metamod|Win32
 		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Release - Old Metamod|Win32.Build.0 = Release - Old Metamod|Win32
 		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Release - Orange Box|Win32.ActiveCfg = Release - Orange Box|Win32
 		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Release - Orange Box|Win32.Build.0 = Release - Orange Box|Win32
+		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Release - Orange Box Valve|Win32.ActiveCfg = Release - Orange Box Valve|Win32
+		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Release - Orange Box Valve|Win32.Build.0 = Release - Orange Box Valve|Win32
 		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Release|Win32.ActiveCfg = Release|Win32
 		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Release|Win32.Build.0 = Release|Win32
 	EndGlobalSection
diff --git a/public/sample_ext/msvc8/sdk.vcproj b/public/sample_ext/msvc8/sdk.vcproj
index 8ae8db72..3886b0b6 100644
--- a/public/sample_ext/msvc8/sdk.vcproj
+++ b/public/sample_ext/msvc8/sdk.vcproj
@@ -45,7 +45,7 @@
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="1"
-				EnableEnhancedInstructionSet="1"
+				EnableEnhancedInstructionSet="0"
 				RuntimeTypeInfo="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
@@ -124,7 +124,7 @@
 				AdditionalIncludeDirectories="..;..\sdk;..\..;..\..\sourcepawn"
 				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;SDK_EXPORTS;_CRT_SECURE_NO_DEPRECATE;SOURCEMOD_BUILD;ORANGEBOX_BUILD"
 				RuntimeLibrary="0"
-				EnableEnhancedInstructionSet="1"
+				EnableEnhancedInstructionSet="0"
 				RuntimeTypeInfo="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
@@ -200,14 +200,14 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalOptions="/D SE_EPISODEONE=1 /D SE_DARKMESSIAH=2 /D SE_ORANGEBOX=3 /D SE_LEFT4DEAD=4"
+				AdditionalOptions="/D SE_EPISODEONE=1 /D SE_DARKMESSIAH=2 /D SE_ORANGEBOX=3 /D SE_ORANGEBOXVALVE=4 /D SE_LEFT4DEAD=5 /D SE_LEFT4DEAD2=6"
 				Optimization="0"
-				AdditionalIncludeDirectories="..;..\sdk;..\..;..\..\sourcepawn;&quot;$(HL2SDK)\public&quot;;&quot;$(HL2SDK)\public\dlls&quot;;&quot;$(HL2SDK)\public\engine&quot;;&quot;$(HL2SDK)\public\tier0&quot;;&quot;$(HL2SDK)\public\tier1&quot;;&quot;$(MMSOURCE17)\core-legacy&quot;;&quot;$(MMSOURCE17)\core-legacy\sourcehook&quot;"
-				PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_USRDLL;SDK_EXPORTS;_CRT_SECURE_NO_DEPRECATE;SOURCEMOD_BUILD;SOURCE_ENGINE=2"
+				AdditionalIncludeDirectories="..;..\sdk;..\..;..\..\sourcepawn;&quot;$(HL2SDK)\public&quot;;&quot;$(HL2SDK)\public\dlls&quot;;&quot;$(HL2SDK)\public\engine&quot;;&quot;$(HL2SDK)\public\tier0&quot;;&quot;$(HL2SDK)\public\tier1&quot;;&quot;$(MMSOURCE18)\core-legacy&quot;;&quot;$(MMSOURCE18)\core-legacy\sourcehook&quot;"
+				PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_USRDLL;SDK_EXPORTS;_CRT_SECURE_NO_DEPRECATE;SOURCEMOD_BUILD;SOURCE_ENGINE=1"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="1"
-				EnableEnhancedInstructionSet="1"
+				EnableEnhancedInstructionSet="0"
 				RuntimeTypeInfo="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
@@ -283,12 +283,12 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalOptions="/MP /D SE_EPISODEONE=1 /D SE_DARKMESSIAH=2 /D SE_ORANGEBOX=3 /D SE_LEFT4DEAD=4"
+				AdditionalOptions="/MP /D SE_EPISODEONE=1 /D SE_DARKMESSIAH=2 /D SE_ORANGEBOX=3 /D SE_ORANGEBOXVALVE=4 /D SE_LEFT4DEAD=5 /D SE_LEFT4DEAD2=6"
 				FavorSizeOrSpeed="1"
-				AdditionalIncludeDirectories="..;..\sdk;..\..;..\..\sourcepawn;&quot;$(HL2SDK)\public&quot;;&quot;$(HL2SDK)\public\dlls&quot;;&quot;$(HL2SDK)\public\engine&quot;;&quot;$(HL2SDK)\public\tier0&quot;;&quot;$(HL2SDK)\public\tier1&quot;;&quot;$(MMSOURCE17)\core-legacy&quot;;&quot;$(MMSOURCE17)\core-legacy\sourcehook&quot;"
-				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;SDK_EXPORTS;_CRT_SECURE_NO_DEPRECATE;SOURCEMOD_BUILD;SOURCE_ENGINE=2"
+				AdditionalIncludeDirectories="..;..\sdk;..\..;..\..\sourcepawn;&quot;$(HL2SDK)\public&quot;;&quot;$(HL2SDK)\public\dlls&quot;;&quot;$(HL2SDK)\public\engine&quot;;&quot;$(HL2SDK)\public\tier0&quot;;&quot;$(HL2SDK)\public\tier1&quot;;&quot;$(MMSOURCE18)\core-legacy&quot;;&quot;$(MMSOURCE18)\core-legacy\sourcehook&quot;"
+				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;SDK_EXPORTS;_CRT_SECURE_NO_DEPRECATE;SOURCEMOD_BUILD;SOURCE_ENGINE=1"
 				RuntimeLibrary="0"
-				EnableEnhancedInstructionSet="1"
+				EnableEnhancedInstructionSet="0"
 				RuntimeTypeInfo="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
@@ -365,14 +365,14 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalOptions="/D SE_EPISODEONE=1 /D SE_DARKMESSIAH=2 /D SE_ORANGEBOX=3 /D SE_LEFT4DEAD=4"
+				AdditionalOptions="/D SE_EPISODEONE=1 /D SE_DARKMESSIAH=2 /D SE_ORANGEBOX=3 /D SE_ORANGEBOXVALVE=4 /D SE_LEFT4DEAD=5 /D SE_LEFT4DEAD2=6"
 				Optimization="0"
-				AdditionalIncludeDirectories="..;..\sdk;..\..;..\..\sourcepawn;&quot;$(HL2SDK-DARKM)\public&quot;;&quot;$(HL2SDK-DARKM)\public\dlls&quot;;&quot;$(HL2SDK-DARKM)\public\engine&quot;;&quot;$(HL2SDK-DARKM)\public\tier0&quot;;&quot;$(HL2SDK-DARKM)\public\tier1&quot;;&quot;$(MMSOURCE17)\core&quot;;&quot;$(MMSOURCE17)\core\sourcehook&quot;"
+				AdditionalIncludeDirectories="..;..\sdk;..\..;..\..\sourcepawn;&quot;$(HL2SDK-DARKM)\public&quot;;&quot;$(HL2SDK-DARKM)\public\dlls&quot;;&quot;$(HL2SDK-DARKM)\public\engine&quot;;&quot;$(HL2SDK-DARKM)\public\tier0&quot;;&quot;$(HL2SDK-DARKM)\public\tier1&quot;;&quot;$(MMSOURCE18)\core&quot;;&quot;$(MMSOURCE18)\core\sourcehook&quot;"
 				PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_USRDLL;SDK_EXPORTS;_CRT_SECURE_NO_DEPRECATE;SOURCEMOD_BUILD;SOURCE_ENGINE=2"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="1"
-				EnableEnhancedInstructionSet="1"
+				EnableEnhancedInstructionSet="0"
 				RuntimeTypeInfo="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
@@ -448,12 +448,12 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalOptions="/MP /D SE_EPISODEONE=1 /D SE_DARKMESSIAH=2 /D SE_ORANGEBOX=3 /D SE_LEFT4DEAD=4"
+				AdditionalOptions="/MP /D SE_EPISODEONE=1 /D SE_DARKMESSIAH=2 /D SE_ORANGEBOX=3 /D SE_ORANGEBOXVALVE=4 /D SE_LEFT4DEAD=5 /D SE_LEFT4DEAD2=6"
 				FavorSizeOrSpeed="1"
-				AdditionalIncludeDirectories="..;..\sdk;..\..;..\..\sourcepawn;&quot;$(HL2SDK-DARKM)\public&quot;;&quot;$(HL2SDK-DARKM)\public\dlls&quot;;&quot;$(HL2SDK-DARKM)\public\engine&quot;;&quot;$(HL2SDK-DARKM)\public\tier0&quot;;&quot;$(HL2SDK-DARKM)\public\tier1&quot;;&quot;$(MMSOURCE17)\core&quot;;&quot;$(MMSOURCE17)\core\sourcehook&quot;"
+				AdditionalIncludeDirectories="..;..\sdk;..\..;..\..\sourcepawn;&quot;$(HL2SDK-DARKM)\public&quot;;&quot;$(HL2SDK-DARKM)\public\dlls&quot;;&quot;$(HL2SDK-DARKM)\public\engine&quot;;&quot;$(HL2SDK-DARKM)\public\tier0&quot;;&quot;$(HL2SDK-DARKM)\public\tier1&quot;;&quot;$(MMSOURCE18)\core&quot;;&quot;$(MMSOURCE18)\core\sourcehook&quot;"
 				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;SDK_EXPORTS;_CRT_SECURE_NO_DEPRECATE;SOURCEMOD_BUILD;SOURCE_ENGINE=2"
 				RuntimeLibrary="0"
-				EnableEnhancedInstructionSet="1"
+				EnableEnhancedInstructionSet="0"
 				RuntimeTypeInfo="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
@@ -530,14 +530,14 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalOptions="/D SE_EPISODEONE=1 /D SE_DARKMESSIAH=2 /D SE_ORANGEBOX=3 /D SE_LEFT4DEAD=4"
+				AdditionalOptions="/D SE_EPISODEONE=1 /D SE_DARKMESSIAH=2 /D SE_ORANGEBOX=3 /D SE_ORANGEBOXVALVE=4 /D SE_LEFT4DEAD=5 /D SE_LEFT4DEAD2=6"
 				Optimization="0"
-				AdditionalIncludeDirectories="..;..\sdk;..\..;..\..\sourcepawn;&quot;$(HL2SDKOB)\public&quot;;&quot;$(HL2SDKOB)\public\engine&quot;;&quot;$(HL2SDKOB)\public\game\server&quot;;&quot;$(HL2SDKOB)\public\tier0&quot;;&quot;$(HL2SDKOB)\public\tier1&quot;;&quot;$(MMSOURCE17)\core&quot;;&quot;$(MMSOURCE17)\core\sourcehook&quot;"
+				AdditionalIncludeDirectories="..;..\sdk;..\..;..\..\sourcepawn;&quot;$(HL2SDKOB)\public&quot;;&quot;$(HL2SDKOB)\public\engine&quot;;&quot;$(HL2SDKOB)\public\game\server&quot;;&quot;$(HL2SDKOB)\public\tier0&quot;;&quot;$(HL2SDKOB)\public\tier1&quot;;&quot;$(MMSOURCE18)\core&quot;;&quot;$(MMSOURCE18)\core\sourcehook&quot;"
 				PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_USRDLL;SDK_EXPORTS;_CRT_SECURE_NO_DEPRECATE;SOURCEMOD_BUILD;SOURCE_ENGINE=3"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="1"
-				EnableEnhancedInstructionSet="1"
+				EnableEnhancedInstructionSet="0"
 				RuntimeTypeInfo="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
@@ -613,12 +613,12 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalOptions="/MP /D SE_EPISODEONE=1 /D SE_DARKMESSIAH=2 /D SE_ORANGEBOX=3 /D SE_LEFT4DEAD=4"
+				AdditionalOptions="/MP /D SE_EPISODEONE=1 /D SE_DARKMESSIAH=2 /D SE_ORANGEBOX=3 /D SE_ORANGEBOXVALVE=4 /D SE_LEFT4DEAD=5 /D SE_LEFT4DEAD2=6"
 				FavorSizeOrSpeed="1"
-				AdditionalIncludeDirectories="..;..\sdk;..\..;..\..\sourcepawn;&quot;$(HL2SDKOB)\public&quot;;&quot;$(HL2SDKOB)\public\engine&quot;;&quot;$(HL2SDKOB)\public\game\server&quot;;&quot;$(HL2SDKOB)\public\tier0&quot;;&quot;$(HL2SDKOB)\public\tier1&quot;;&quot;$(MMSOURCE17)\core&quot;;&quot;$(MMSOURCE17)\core\sourcehook&quot;"
+				AdditionalIncludeDirectories="..;..\sdk;..\..;..\..\sourcepawn;&quot;$(HL2SDKOB)\public&quot;;&quot;$(HL2SDKOB)\public\engine&quot;;&quot;$(HL2SDKOB)\public\game\server&quot;;&quot;$(HL2SDKOB)\public\tier0&quot;;&quot;$(HL2SDKOB)\public\tier1&quot;;&quot;$(MMSOURCE18)\core&quot;;&quot;$(MMSOURCE18)\core\sourcehook&quot;"
 				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;SDK_EXPORTS;_CRT_SECURE_NO_DEPRECATE;SOURCEMOD_BUILD;SOURCE_ENGINE=3"
 				RuntimeLibrary="0"
-				EnableEnhancedInstructionSet="1"
+				EnableEnhancedInstructionSet="0"
 				RuntimeTypeInfo="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
@@ -671,6 +671,171 @@
 				Name="VCPostBuildEventTool"
 			/>
 		</Configuration>
+		<Configuration
+			Name="Debug - Orange Box Valve|Win32"
+			OutputDirectory="$(SolutionDir)$(ConfigurationName)"
+			IntermediateDirectory="$(ConfigurationName)"
+			ConfigurationType="2"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions="/D SE_EPISODEONE=1 /D SE_DARKMESSIAH=2 /D SE_ORANGEBOX=3 /D SE_ORANGEBOXVALVE=4 /D SE_LEFT4DEAD=5 /D SE_LEFT4DEAD2=6"
+				Optimization="0"
+				AdditionalIncludeDirectories="..;..\sdk;..\..;..\..\sourcepawn;&quot;$(HL2SDKOBVALVE)\public&quot;;&quot;$(HL2SDKOBVALVE)\public\engine&quot;;&quot;$(HL2SDKOBVALVE)\public\game\server&quot;;&quot;$(HL2SDKOBVALVE)\public\tier0&quot;;&quot;$(HL2SDKOBVALVE)\public\tier1&quot;;&quot;$(MMSOURCE18)\core&quot;;&quot;$(MMSOURCE18)\core\sourcehook&quot;"
+				PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_USRDLL;SDK_EXPORTS;_CRT_SECURE_NO_DEPRECATE;SOURCEMOD_BUILD;SOURCE_ENGINE=4"
+				MinimalRebuild="true"
+				BasicRuntimeChecks="3"
+				RuntimeLibrary="1"
+				EnableEnhancedInstructionSet="0"
+				RuntimeTypeInfo="false"
+				UsePrecompiledHeader="0"
+				WarningLevel="3"
+				Detect64BitPortabilityProblems="false"
+				DebugInformationFormat="4"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				AdditionalDependencies="&quot;$(HL2SDKOBVALVE)\lib\public\tier0.lib&quot; &quot;$(HL2SDKOBVALVE)\lib\public\tier1.lib&quot; &quot;$(HL2SDKOBVALVE)\lib\public\vstdlib.lib&quot;"
+				OutputFile="$(OutDir)\sample.ext.dll"
+				LinkIncremental="2"
+				IgnoreDefaultLibraryNames="LIBC;LIBCD;LIBCMT"
+				GenerateDebugInformation="true"
+				SubSystem="2"
+				TargetMachine="1"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCWebDeploymentTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+		<Configuration
+			Name="Release - Orange Box Valve|Win32"
+			OutputDirectory="$(SolutionDir)$(ConfigurationName)"
+			IntermediateDirectory="$(ConfigurationName)"
+			ConfigurationType="2"
+			CharacterSet="2"
+			WholeProgramOptimization="1"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions="/MP /D SE_EPISODEONE=1 /D SE_DARKMESSIAH=2 /D SE_ORANGEBOX=3 /D SE_ORANGEBOXVALVE=4 /D SE_LEFT4DEAD=5 /D SE_LEFT4DEAD2=6"
+				FavorSizeOrSpeed="1"
+				AdditionalIncludeDirectories="..;..\sdk;..\..;..\..\sourcepawn;&quot;$(HL2SDKOBVALVE)\public&quot;;&quot;$(HL2SDKOBVALVE)\public\engine&quot;;&quot;$(HL2SDKOBVALVE)\public\game\server&quot;;&quot;$(HL2SDKOBVALVE)\public\tier0&quot;;&quot;$(HL2SDKOBVALVE)\public\tier1&quot;;&quot;$(MMSOURCE18)\core&quot;;&quot;$(MMSOURCE18)\core\sourcehook&quot;"
+				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;SDK_EXPORTS;_CRT_SECURE_NO_DEPRECATE;SOURCEMOD_BUILD;SOURCE_ENGINE=4"
+				RuntimeLibrary="0"
+				EnableEnhancedInstructionSet="0"
+				RuntimeTypeInfo="false"
+				UsePrecompiledHeader="0"
+				WarningLevel="3"
+				Detect64BitPortabilityProblems="false"
+				DebugInformationFormat="3"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				AdditionalDependencies="&quot;$(HL2SDKOBVALVE)\lib\public\tier0.lib&quot; &quot;$(HL2SDKOBVALVE)\lib\public\tier1.lib&quot; &quot;$(HL2SDKOBVALVE)\lib\public\vstdlib.lib&quot;"
+				OutputFile="$(OutDir)\sample.ext.dll"
+				LinkIncremental="1"
+				IgnoreDefaultLibraryNames="LIBC;LIBCD;LIBCMTD"
+				GenerateDebugInformation="true"
+				SubSystem="2"
+				OptimizeReferences="2"
+				EnableCOMDATFolding="2"
+				TargetMachine="1"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCWebDeploymentTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
 		<Configuration
 			Name="Debug - Left 4 Dead|Win32"
 			OutputDirectory="$(SolutionDir)$(ConfigurationName)"
@@ -695,14 +860,14 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalOptions="/D SE_EPISODEONE=1 /D SE_DARKMESSIAH=2 /D SE_ORANGEBOX=3 /D SE_LEFT4DEAD=4"
+				AdditionalOptions="/D SE_EPISODEONE=1 /D SE_DARKMESSIAH=2 /D SE_ORANGEBOX=3 /D SE_ORANGEBOXVALVE=4 /D SE_LEFT4DEAD=5 /D SE_LEFT4DEAD2=6"
 				Optimization="0"
-				AdditionalIncludeDirectories="..;..\sdk;..\..;..\..\sourcepawn;&quot;$(HL2SDKL4D)\public&quot;;&quot;$(HL2SDKL4D)\public\engine&quot;;&quot;$(HL2SDKL4D)\public\game\server&quot;;&quot;$(HL2SDKL4D)\public\tier0&quot;;&quot;$(HL2SDKL4D)\public\tier1&quot;;&quot;$(MMSOURCE17)\core&quot;;&quot;$(MMSOURCE17)\core\sourcehook&quot;"
-				PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_USRDLL;SDK_EXPORTS;_CRT_SECURE_NO_DEPRECATE;SOURCEMOD_BUILD;SOURCE_ENGINE=4"
+				AdditionalIncludeDirectories="..;..\sdk;..\..;..\..\sourcepawn;&quot;$(HL2SDKL4D)\public&quot;;&quot;$(HL2SDKL4D)\public\engine&quot;;&quot;$(HL2SDKL4D)\public\game\server&quot;;&quot;$(HL2SDKL4D)\public\tier0&quot;;&quot;$(HL2SDKL4D)\public\tier1&quot;;&quot;$(MMSOURCE18)\core&quot;;&quot;$(MMSOURCE18)\core\sourcehook&quot;"
+				PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_USRDLL;SDK_EXPORTS;_CRT_SECURE_NO_DEPRECATE;SOURCEMOD_BUILD;SOURCE_ENGINE=5"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="1"
-				EnableEnhancedInstructionSet="1"
+				EnableEnhancedInstructionSet="0"
 				RuntimeTypeInfo="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
@@ -778,12 +943,12 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalOptions="/MP /D SE_EPISODEONE=1 /D SE_DARKMESSIAH=2 /D SE_ORANGEBOX=3 /D SE_LEFT4DEAD=4"
+				AdditionalOptions="/MP /D SE_EPISODEONE=1 /D SE_DARKMESSIAH=2 /D SE_ORANGEBOX=3 /D SE_ORANGEBOXVALVE=4 /D SE_LEFT4DEAD=5 /D SE_LEFT4DEAD2=6"
 				FavorSizeOrSpeed="1"
-				AdditionalIncludeDirectories="..;..\sdk;..\..;..\..\sourcepawn;&quot;$(HL2SDKL4D)\public&quot;;&quot;$(HL2SDKL4D)\public\engine&quot;;&quot;$(HL2SDKL4D)\public\game\server&quot;;&quot;$(HL2SDKL4D)\public\tier0&quot;;&quot;$(HL2SDKL4D)\public\tier1&quot;;&quot;$(MMSOURCE17)\core&quot;;&quot;$(MMSOURCE17)\core\sourcehook&quot;"
-				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;SDK_EXPORTS;_CRT_SECURE_NO_DEPRECATE;SOURCEMOD_BUILD;SOURCE_ENGINE=4"
+				AdditionalIncludeDirectories="..;..\sdk;..\..;..\..\sourcepawn;&quot;$(HL2SDKL4D)\public&quot;;&quot;$(HL2SDKL4D)\public\engine&quot;;&quot;$(HL2SDKL4D)\public\game\server&quot;;&quot;$(HL2SDKL4D)\public\tier0&quot;;&quot;$(HL2SDKL4D)\public\tier1&quot;;&quot;$(MMSOURCE18)\core&quot;;&quot;$(MMSOURCE18)\core\sourcehook&quot;"
+				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;SDK_EXPORTS;_CRT_SECURE_NO_DEPRECATE;SOURCEMOD_BUILD;SOURCE_ENGINE=5"
 				RuntimeLibrary="0"
-				EnableEnhancedInstructionSet="1"
+				EnableEnhancedInstructionSet="0"
 				RuntimeTypeInfo="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
@@ -836,6 +1001,171 @@
 				Name="VCPostBuildEventTool"
 			/>
 		</Configuration>
+		<Configuration
+			Name="Debug - Left 4 Dead 2|Win32"
+			OutputDirectory="$(SolutionDir)$(ConfigurationName)"
+			IntermediateDirectory="$(ConfigurationName)"
+			ConfigurationType="2"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions="/D SE_EPISODEONE=1 /D SE_DARKMESSIAH=2 /D SE_ORANGEBOX=3 /D SE_ORANGEBOXVALVE=4 /D SE_LEFT4DEAD=5 /D SE_LEFT4DEAD2=6"
+				Optimization="0"
+				AdditionalIncludeDirectories="..;..\sdk;..\..;..\..\sourcepawn;&quot;$(HL2SDKL4D2)\public&quot;;&quot;$(HL2SDKL4D2)\public\engine&quot;;&quot;$(HL2SDKL4D2)\public\game\server&quot;;&quot;$(HL2SDKL4D2)\public\tier0&quot;;&quot;$(HL2SDKL4D2)\public\tier1&quot;;&quot;$(MMSOURCE18)\core&quot;;&quot;$(MMSOURCE18)\core\sourcehook&quot;"
+				PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_USRDLL;SDK_EXPORTS;_CRT_SECURE_NO_DEPRECATE;SOURCEMOD_BUILD;SOURCE_ENGINE=6"
+				MinimalRebuild="true"
+				BasicRuntimeChecks="3"
+				RuntimeLibrary="1"
+				EnableEnhancedInstructionSet="0"
+				RuntimeTypeInfo="false"
+				UsePrecompiledHeader="0"
+				WarningLevel="3"
+				Detect64BitPortabilityProblems="false"
+				DebugInformationFormat="4"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				AdditionalDependencies="&quot;$(HL2SDKL4D2)\lib\public\tier0.lib&quot; &quot;$(HL2SDKL4D2)\lib\public\tier1.lib&quot; &quot;$(HL2SDKL4D2)\lib\public\vstdlib.lib&quot;"
+				OutputFile="$(OutDir)\sample.ext.dll"
+				LinkIncremental="2"
+				IgnoreDefaultLibraryNames="LIBC;LIBCD;LIBCMT"
+				GenerateDebugInformation="true"
+				SubSystem="2"
+				TargetMachine="1"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCWebDeploymentTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+		<Configuration
+			Name="Release - Left 4 Dead 2|Win32"
+			OutputDirectory="$(SolutionDir)$(ConfigurationName)"
+			IntermediateDirectory="$(ConfigurationName)"
+			ConfigurationType="2"
+			CharacterSet="2"
+			WholeProgramOptimization="1"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions="/MP /D SE_EPISODEONE=1 /D SE_DARKMESSIAH=2 /D SE_ORANGEBOX=3 /D SE_ORANGEBOXVALVE=4 /D SE_LEFT4DEAD=5 /D SE_LEFT4DEAD2=6"
+				FavorSizeOrSpeed="1"
+				AdditionalIncludeDirectories="..;..\sdk;..\..;..\..\sourcepawn;&quot;$(HL2SDKL4D2)\public&quot;;&quot;$(HL2SDKL4D2)\public\engine&quot;;&quot;$(HL2SDKL4D2)\public\game\server&quot;;&quot;$(HL2SDKL4D2)\public\tier0&quot;;&quot;$(HL2SDKL4D2)\public\tier1&quot;;&quot;$(MMSOURCE18)\core&quot;;&quot;$(MMSOURCE18)\core\sourcehook&quot;"
+				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;SDK_EXPORTS;_CRT_SECURE_NO_DEPRECATE;SOURCEMOD_BUILD;SOURCE_ENGINE=6"
+				RuntimeLibrary="0"
+				EnableEnhancedInstructionSet="0"
+				RuntimeTypeInfo="false"
+				UsePrecompiledHeader="0"
+				WarningLevel="3"
+				Detect64BitPortabilityProblems="false"
+				DebugInformationFormat="3"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				AdditionalDependencies="&quot;$(HL2SDKL4D2)\lib\public\tier0.lib&quot; &quot;$(HL2SDKL4D2)\lib\public\tier1.lib&quot; &quot;$(HL2SDKL4D2)\lib\public\vstdlib.lib&quot;"
+				OutputFile="$(OutDir)\sample.ext.dll"
+				LinkIncremental="1"
+				IgnoreDefaultLibraryNames="LIBC;LIBCD;LIBCMTD"
+				GenerateDebugInformation="true"
+				SubSystem="2"
+				OptimizeReferences="2"
+				EnableCOMDATFolding="2"
+				TargetMachine="1"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCWebDeploymentTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
 		<Configuration
 			Name="Debug - Episode 1|Win32"
 			OutputDirectory="$(SolutionDir)$(ConfigurationName)"
@@ -860,14 +1190,14 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalOptions="/D SE_EPISODEONE=1 /D SE_DARKMESSIAH=2 /D SE_ORANGEBOX=3 /D SE_LEFT4DEAD=4"
+				AdditionalOptions="/D SE_EPISODEONE=1 /D SE_DARKMESSIAH=2 /D SE_ORANGEBOX=3 /D SE_ORANGEBOXVALVE=4 /D SE_LEFT4DEAD=5 /D SE_LEFT4DEAD2=6"
 				Optimization="0"
-				AdditionalIncludeDirectories="..;..\sdk;..\..;..\..\sourcepawn;&quot;$(HL2SDK)\public&quot;;&quot;$(HL2SDK)\public\dlls&quot;;&quot;$(HL2SDK)\public\engine&quot;;&quot;$(HL2SDK)\public\tier0&quot;;&quot;$(HL2SDK)\public\tier1&quot;;&quot;$(MMSOURCE17)\core&quot;;&quot;$(MMSOURCE17)\core\sourcehook&quot;"
+				AdditionalIncludeDirectories="..;..\sdk;..\..;..\..\sourcepawn;&quot;$(HL2SDK)\public&quot;;&quot;$(HL2SDK)\public\dlls&quot;;&quot;$(HL2SDK)\public\engine&quot;;&quot;$(HL2SDK)\public\tier0&quot;;&quot;$(HL2SDK)\public\tier1&quot;;&quot;$(MMSOURCE18)\core&quot;;&quot;$(MMSOURCE18)\core\sourcehook&quot;"
 				PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_USRDLL;SDK_EXPORTS;_CRT_SECURE_NO_DEPRECATE;SOURCEMOD_BUILD;SOURCE_ENGINE=2"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="1"
-				EnableEnhancedInstructionSet="1"
+				EnableEnhancedInstructionSet="0"
 				RuntimeTypeInfo="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
@@ -943,12 +1273,12 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalOptions="/MP /D SE_EPISODEONE=1 /D SE_DARKMESSIAH=2 /D SE_ORANGEBOX=3 /D SE_LEFT4DEAD=4"
+				AdditionalOptions="/MP /D SE_EPISODEONE=1 /D SE_DARKMESSIAH=2 /D SE_ORANGEBOX=3 /D SE_ORANGEBOXVALVE=4 /D SE_LEFT4DEAD=5 /D SE_LEFT4DEAD2=6"
 				FavorSizeOrSpeed="1"
-				AdditionalIncludeDirectories="..;..\sdk;..\..;..\..\sourcepawn;&quot;$(HL2SDK)\public&quot;;&quot;$(HL2SDK)\public\dlls&quot;;&quot;$(HL2SDK)\public\engine&quot;;&quot;$(HL2SDK)\public\tier0&quot;;&quot;$(HL2SDK)\public\tier1&quot;;&quot;$(MMSOURCE17)\core&quot;;&quot;$(MMSOURCE17)\core\sourcehook&quot;"
+				AdditionalIncludeDirectories="..;..\sdk;..\..;..\..\sourcepawn;&quot;$(HL2SDK)\public&quot;;&quot;$(HL2SDK)\public\dlls&quot;;&quot;$(HL2SDK)\public\engine&quot;;&quot;$(HL2SDK)\public\tier0&quot;;&quot;$(HL2SDK)\public\tier1&quot;;&quot;$(MMSOURCE18)\core&quot;;&quot;$(MMSOURCE18)\core\sourcehook&quot;"
 				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;SDK_EXPORTS;_CRT_SECURE_NO_DEPRECATE;SOURCEMOD_BUILD;SOURCE_ENGINE=2"
 				RuntimeLibrary="0"
-				EnableEnhancedInstructionSet="1"
+				EnableEnhancedInstructionSet="0"
 				RuntimeTypeInfo="false"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"
diff --git a/public/sample_ext/msvc9/sdk.sln b/public/sample_ext/msvc9/sdk.sln
index 62911bee..ab2a1c94 100644
--- a/public/sample_ext/msvc9/sdk.sln
+++ b/public/sample_ext/msvc9/sdk.sln
@@ -7,15 +7,19 @@ Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug - Dark Messiah|Win32 = Debug - Dark Messiah|Win32
 		Debug - Episode 1|Win32 = Debug - Episode 1|Win32
+		Debug - Left 4 Dead 2|Win32 = Debug - Left 4 Dead 2|Win32
 		Debug - Left 4 Dead|Win32 = Debug - Left 4 Dead|Win32
 		Debug - Old Metamod|Win32 = Debug - Old Metamod|Win32
 		Debug - Orange Box|Win32 = Debug - Orange Box|Win32
+		Debug - Orange Box Valve|Win32 = Debug - Orange Box Valve|Win32
 		Debug|Win32 = Debug|Win32
 		Release - Dark Messiah|Win32 = Release - Dark Messiah|Win32
 		Release - Episode 1|Win32 = Release - Episode 1|Win32
+		Release - Left 4 Dead 2|Win32 = Release - Left 4 Dead 2|Win32
 		Release - Left 4 Dead|Win32 = Release - Left 4 Dead|Win32
 		Release - Old Metamod|Win32 = Release - Old Metamod|Win32
 		Release - Orange Box|Win32 = Release - Orange Box|Win32
+		Release - Orange Box Valve|Win32 = Release - Orange Box Valve|Win32
 		Release|Win32 = Release|Win32
 	EndGlobalSection
 	GlobalSection(ProjectConfigurationPlatforms) = postSolution
@@ -23,24 +27,32 @@ Global
 		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Debug - Dark Messiah|Win32.Build.0 = Debug - Dark Messiah|Win32
 		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Debug - Episode 1|Win32.ActiveCfg = Debug - Episode 1|Win32
 		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Debug - Episode 1|Win32.Build.0 = Debug - Episode 1|Win32
+		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Debug - Left 4 Dead 2|Win32.ActiveCfg = Debug - Left 4 Dead 2|Win32
+		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Debug - Left 4 Dead 2|Win32.Build.0 = Debug - Left 4 Dead 2|Win32
 		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Debug - Left 4 Dead|Win32.ActiveCfg = Debug - Left 4 Dead|Win32
 		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Debug - Left 4 Dead|Win32.Build.0 = Debug - Left 4 Dead|Win32
 		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Debug - Old Metamod|Win32.ActiveCfg = Debug - Old Metamod|Win32
 		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Debug - Old Metamod|Win32.Build.0 = Debug - Old Metamod|Win32
 		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Debug - Orange Box|Win32.ActiveCfg = Debug - Orange Box|Win32
 		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Debug - Orange Box|Win32.Build.0 = Debug - Orange Box|Win32
+		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Debug - Orange Box Valve|Win32.ActiveCfg = Debug - Orange Box Valve|Win32
+		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Debug - Orange Box Valve|Win32.Build.0 = Debug - Orange Box Valve|Win32
 		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Debug|Win32.ActiveCfg = Debug|Win32
 		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Debug|Win32.Build.0 = Debug|Win32
 		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Release - Dark Messiah|Win32.ActiveCfg = Release - Dark Messiah|Win32
 		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Release - Dark Messiah|Win32.Build.0 = Release - Dark Messiah|Win32
 		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Release - Episode 1|Win32.ActiveCfg = Release - Episode 1|Win32
 		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Release - Episode 1|Win32.Build.0 = Release - Episode 1|Win32
+		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Release - Left 4 Dead 2|Win32.ActiveCfg = Release - Left 4 Dead 2|Win32
+		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Release - Left 4 Dead 2|Win32.Build.0 = Release - Left 4 Dead 2|Win32
 		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Release - Left 4 Dead|Win32.ActiveCfg = Release - Left 4 Dead|Win32
 		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Release - Left 4 Dead|Win32.Build.0 = Release - Left 4 Dead|Win32
 		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Release - Old Metamod|Win32.ActiveCfg = Release - Old Metamod|Win32
 		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Release - Old Metamod|Win32.Build.0 = Release - Old Metamod|Win32
 		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Release - Orange Box|Win32.ActiveCfg = Release - Orange Box|Win32
 		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Release - Orange Box|Win32.Build.0 = Release - Orange Box|Win32
+		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Release - Orange Box Valve|Win32.ActiveCfg = Release - Orange Box Valve|Win32
+		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Release - Orange Box Valve|Win32.Build.0 = Release - Orange Box Valve|Win32
 		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Release|Win32.ActiveCfg = Release|Win32
 		{B3E797CF-4E77-4C9D-B8A8-7589B6902206}.Release|Win32.Build.0 = Release|Win32
 	EndGlobalSection
diff --git a/public/sample_ext/msvc9/sdk.vcproj b/public/sample_ext/msvc9/sdk.vcproj
index f18f6699..19a7278a 100644
--- a/public/sample_ext/msvc9/sdk.vcproj
+++ b/public/sample_ext/msvc9/sdk.vcproj
@@ -199,10 +199,10 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalOptions="/D SE_EPISODEONE=1 /D SE_DARKMESSIAH=2 /D SE_ORANGEBOX=3 /D SE_LEFT4DEAD=4"
+				AdditionalOptions="/D SE_EPISODEONE=1 /D SE_DARKMESSIAH=2 /D SE_ORANGEBOX=3 /D SE_ORANGEBOXVALVE=4 /D SE_LEFT4DEAD=5 /D SE_LEFT4DEAD2=6"
 				Optimization="0"
-				AdditionalIncludeDirectories="..;..\sdk;..\..;..\..\sourcepawn;&quot;$(HL2SDK)\public&quot;;&quot;$(HL2SDK)\public\dlls&quot;;&quot;$(HL2SDK)\public\engine&quot;;&quot;$(HL2SDK)\public\tier0&quot;;&quot;$(HL2SDK)\public\tier1&quot;;&quot;$(MMSOURCE17)\core-legacy&quot;;&quot;$(MMSOURCE17)\core-legacy\sourcehook&quot;"
-				PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_USRDLL;SDK_EXPORTS;_CRT_SECURE_NO_DEPRECATE;SOURCEMOD_BUILD;SOURCE_ENGINE=2"
+				AdditionalIncludeDirectories="..;..\sdk;..\..;..\..\sourcepawn;&quot;$(HL2SDK)\public&quot;;&quot;$(HL2SDK)\public\dlls&quot;;&quot;$(HL2SDK)\public\engine&quot;;&quot;$(HL2SDK)\public\tier0&quot;;&quot;$(HL2SDK)\public\tier1&quot;;&quot;$(MMSOURCE18)\core-legacy&quot;;&quot;$(MMSOURCE18)\core-legacy\sourcehook&quot;"
+				PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_USRDLL;SDK_EXPORTS;_CRT_SECURE_NO_DEPRECATE;SOURCEMOD_BUILD;SOURCE_ENGINE=1"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="1"
@@ -281,10 +281,10 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalOptions="/MP /D SE_EPISODEONE=1 /D SE_DARKMESSIAH=2 /D SE_ORANGEBOX=3 /D SE_LEFT4DEAD=4"
+				AdditionalOptions="/MP /D SE_EPISODEONE=1 /D SE_DARKMESSIAH=2 /D SE_ORANGEBOX=3 /D SE_ORANGEBOXVALVE=4 /D SE_LEFT4DEAD=5 /D SE_LEFT4DEAD2=6"
 				FavorSizeOrSpeed="1"
-				AdditionalIncludeDirectories="..;..\sdk;..\..;..\..\sourcepawn;&quot;$(HL2SDK)\public&quot;;&quot;$(HL2SDK)\public\dlls&quot;;&quot;$(HL2SDK)\public\engine&quot;;&quot;$(HL2SDK)\public\tier0&quot;;&quot;$(HL2SDK)\public\tier1&quot;;&quot;$(MMSOURCE17)\core-legacy&quot;;&quot;$(MMSOURCE17)\core-legacy\sourcehook&quot;"
-				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;SDK_EXPORTS;_CRT_SECURE_NO_DEPRECATE;SOURCEMOD_BUILD;SOURCE_ENGINE=2"
+				AdditionalIncludeDirectories="..;..\sdk;..\..;..\..\sourcepawn;&quot;$(HL2SDK)\public&quot;;&quot;$(HL2SDK)\public\dlls&quot;;&quot;$(HL2SDK)\public\engine&quot;;&quot;$(HL2SDK)\public\tier0&quot;;&quot;$(HL2SDK)\public\tier1&quot;;&quot;$(MMSOURCE18)\core-legacy&quot;;&quot;$(MMSOURCE18)\core-legacy\sourcehook&quot;"
+				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;SDK_EXPORTS;_CRT_SECURE_NO_DEPRECATE;SOURCEMOD_BUILD;SOURCE_ENGINE=1"
 				RuntimeLibrary="0"
 				EnableEnhancedInstructionSet="0"
 				RuntimeTypeInfo="false"
@@ -362,9 +362,9 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalOptions="/D SE_EPISODEONE=1 /D SE_DARKMESSIAH=2 /D SE_ORANGEBOX=3 /D SE_LEFT4DEAD=4"
+				AdditionalOptions="/D SE_EPISODEONE=1 /D SE_DARKMESSIAH=2 /D SE_ORANGEBOX=3 /D SE_ORANGEBOXVALVE=4 /D SE_LEFT4DEAD=5 /D SE_LEFT4DEAD2=6"
 				Optimization="0"
-				AdditionalIncludeDirectories="..;..\sdk;..\..;..\..\sourcepawn;&quot;$(HL2SDK-DARKM)\public&quot;;&quot;$(HL2SDK-DARKM)\public\dlls&quot;;&quot;$(HL2SDK-DARKM)\public\engine&quot;;&quot;$(HL2SDK-DARKM)\public\tier0&quot;;&quot;$(HL2SDK-DARKM)\public\tier1&quot;;&quot;$(MMSOURCE17)\core&quot;;&quot;$(MMSOURCE17)\core\sourcehook&quot;"
+				AdditionalIncludeDirectories="..;..\sdk;..\..;..\..\sourcepawn;&quot;$(HL2SDK-DARKM)\public&quot;;&quot;$(HL2SDK-DARKM)\public\dlls&quot;;&quot;$(HL2SDK-DARKM)\public\engine&quot;;&quot;$(HL2SDK-DARKM)\public\tier0&quot;;&quot;$(HL2SDK-DARKM)\public\tier1&quot;;&quot;$(MMSOURCE18)\core&quot;;&quot;$(MMSOURCE18)\core\sourcehook&quot;"
 				PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_USRDLL;SDK_EXPORTS;_CRT_SECURE_NO_DEPRECATE;SOURCEMOD_BUILD;SOURCE_ENGINE=2"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -444,9 +444,9 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalOptions="/MP /D SE_EPISODEONE=1 /D SE_DARKMESSIAH=2 /D SE_ORANGEBOX=3 /D SE_LEFT4DEAD=4"
+				AdditionalOptions="/MP /D SE_EPISODEONE=1 /D SE_DARKMESSIAH=2 /D SE_ORANGEBOX=3 /D SE_ORANGEBOXVALVE=4 /D SE_LEFT4DEAD=5 /D SE_LEFT4DEAD2=6"
 				FavorSizeOrSpeed="1"
-				AdditionalIncludeDirectories="..;..\sdk;..\..;..\..\sourcepawn;&quot;$(HL2SDK-DARKM)\public&quot;;&quot;$(HL2SDK-DARKM)\public\dlls&quot;;&quot;$(HL2SDK-DARKM)\public\engine&quot;;&quot;$(HL2SDK-DARKM)\public\tier0&quot;;&quot;$(HL2SDK-DARKM)\public\tier1&quot;;&quot;$(MMSOURCE17)\core&quot;;&quot;$(MMSOURCE17)\core\sourcehook&quot;"
+				AdditionalIncludeDirectories="..;..\sdk;..\..;..\..\sourcepawn;&quot;$(HL2SDK-DARKM)\public&quot;;&quot;$(HL2SDK-DARKM)\public\dlls&quot;;&quot;$(HL2SDK-DARKM)\public\engine&quot;;&quot;$(HL2SDK-DARKM)\public\tier0&quot;;&quot;$(HL2SDK-DARKM)\public\tier1&quot;;&quot;$(MMSOURCE18)\core&quot;;&quot;$(MMSOURCE18)\core\sourcehook&quot;"
 				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;SDK_EXPORTS;_CRT_SECURE_NO_DEPRECATE;SOURCEMOD_BUILD;SOURCE_ENGINE=2"
 				RuntimeLibrary="0"
 				EnableEnhancedInstructionSet="0"
@@ -525,9 +525,9 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalOptions="/D SE_EPISODEONE=1 /D SE_DARKMESSIAH=2 /D SE_ORANGEBOX=3 /D SE_LEFT4DEAD=4"
+				AdditionalOptions="/D SE_EPISODEONE=1 /D SE_DARKMESSIAH=2 /D SE_ORANGEBOX=3 /D SE_ORANGEBOXVALVE=4 /D SE_LEFT4DEAD=5 /D SE_LEFT4DEAD2=6"
 				Optimization="0"
-				AdditionalIncludeDirectories="..;..\sdk;..\..;..\..\sourcepawn;&quot;$(HL2SDKOB)\public&quot;;&quot;$(HL2SDKOB)\public\engine&quot;;&quot;$(HL2SDKOB)\public\game\server&quot;;&quot;$(HL2SDKOB)\public\tier0&quot;;&quot;$(HL2SDKOB)\public\tier1&quot;;&quot;$(MMSOURCE17)\core&quot;;&quot;$(MMSOURCE17)\core\sourcehook&quot;"
+				AdditionalIncludeDirectories="..;..\sdk;..\..;..\..\sourcepawn;&quot;$(HL2SDKOB)\public&quot;;&quot;$(HL2SDKOB)\public\engine&quot;;&quot;$(HL2SDKOB)\public\game\server&quot;;&quot;$(HL2SDKOB)\public\tier0&quot;;&quot;$(HL2SDKOB)\public\tier1&quot;;&quot;$(MMSOURCE18)\core&quot;;&quot;$(MMSOURCE18)\core\sourcehook&quot;"
 				PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_USRDLL;SDK_EXPORTS;_CRT_SECURE_NO_DEPRECATE;SOURCEMOD_BUILD;SOURCE_ENGINE=3"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -607,9 +607,9 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalOptions="/MP /D SE_EPISODEONE=1 /D SE_DARKMESSIAH=2 /D SE_ORANGEBOX=3 /D SE_LEFT4DEAD=4"
+				AdditionalOptions="/MP /D SE_EPISODEONE=1 /D SE_DARKMESSIAH=2 /D SE_ORANGEBOX=3 /D SE_ORANGEBOXVALVE=4 /D SE_LEFT4DEAD=5 /D SE_LEFT4DEAD2=6"
 				FavorSizeOrSpeed="1"
-				AdditionalIncludeDirectories="..;..\sdk;..\..;..\..\sourcepawn;&quot;$(HL2SDKOB)\public&quot;;&quot;$(HL2SDKOB)\public\engine&quot;;&quot;$(HL2SDKOB)\public\game\server&quot;;&quot;$(HL2SDKOB)\public\tier0&quot;;&quot;$(HL2SDKOB)\public\tier1&quot;;&quot;$(MMSOURCE17)\core&quot;;&quot;$(MMSOURCE17)\core\sourcehook&quot;"
+				AdditionalIncludeDirectories="..;..\sdk;..\..;..\..\sourcepawn;&quot;$(HL2SDKOB)\public&quot;;&quot;$(HL2SDKOB)\public\engine&quot;;&quot;$(HL2SDKOB)\public\game\server&quot;;&quot;$(HL2SDKOB)\public\tier0&quot;;&quot;$(HL2SDKOB)\public\tier1&quot;;&quot;$(MMSOURCE18)\core&quot;;&quot;$(MMSOURCE18)\core\sourcehook&quot;"
 				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;SDK_EXPORTS;_CRT_SECURE_NO_DEPRECATE;SOURCEMOD_BUILD;SOURCE_ENGINE=3"
 				RuntimeLibrary="0"
 				EnableEnhancedInstructionSet="0"
@@ -664,6 +664,169 @@
 				Name="VCPostBuildEventTool"
 			/>
 		</Configuration>
+		<Configuration
+			Name="Debug - Orange Box Valve|Win32"
+			OutputDirectory="$(SolutionDir)$(ConfigurationName)"
+			IntermediateDirectory="$(ConfigurationName)"
+			ConfigurationType="2"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions="/D SE_EPISODEONE=1 /D SE_DARKMESSIAH=2 /D SE_ORANGEBOX=3 /D SE_ORANGEBOXVALVE=4 /D SE_LEFT4DEAD=5 /D SE_LEFT4DEAD2=6"
+				Optimization="0"
+				AdditionalIncludeDirectories="..;..\sdk;..\..;..\..\sourcepawn;&quot;$(HL2SDKOBVALVE)\public&quot;;&quot;$(HL2SDKOBVALVE)\public\engine&quot;;&quot;$(HL2SDKOBVALVE)\public\game\server&quot;;&quot;$(HL2SDKOBVALVE)\public\tier0&quot;;&quot;$(HL2SDKOBVALVE)\public\tier1&quot;;&quot;$(MMSOURCE18)\core&quot;;&quot;$(MMSOURCE18)\core\sourcehook&quot;"
+				PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_USRDLL;SDK_EXPORTS;_CRT_SECURE_NO_DEPRECATE;SOURCEMOD_BUILD;SOURCE_ENGINE=4"
+				MinimalRebuild="true"
+				BasicRuntimeChecks="3"
+				RuntimeLibrary="1"
+				EnableEnhancedInstructionSet="0"
+				RuntimeTypeInfo="false"
+				UsePrecompiledHeader="0"
+				WarningLevel="3"
+				Detect64BitPortabilityProblems="false"
+				DebugInformationFormat="4"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				AdditionalDependencies="&quot;$(HL2SDKOBVALVE)\lib\public\tier0.lib&quot; &quot;$(HL2SDKOBVALVE)\lib\public\tier1.lib&quot; &quot;$(HL2SDKOBVALVE)\lib\public\vstdlib.lib&quot;"
+				OutputFile="$(OutDir)\sample.ext.dll"
+				LinkIncremental="2"
+				IgnoreDefaultLibraryNames="LIBC;LIBCD;LIBCMT"
+				GenerateDebugInformation="true"
+				SubSystem="2"
+				RandomizedBaseAddress="1"
+				DataExecutionPrevention="0"
+				TargetMachine="1"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+		<Configuration
+			Name="Release - Orange Box Valve|Win32"
+			OutputDirectory="$(SolutionDir)$(ConfigurationName)"
+			IntermediateDirectory="$(ConfigurationName)"
+			ConfigurationType="2"
+			CharacterSet="2"
+			WholeProgramOptimization="1"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions="/MP /D SE_EPISODEONE=1 /D SE_DARKMESSIAH=2 /D SE_ORANGEBOX=3 /D SE_ORANGEBOXVALVE=4 /D SE_LEFT4DEAD=5 /D SE_LEFT4DEAD2=6"
+				FavorSizeOrSpeed="1"
+				AdditionalIncludeDirectories="..;..\sdk;..\..;..\..\sourcepawn;&quot;$(HL2SDKOBVALVE)\public&quot;;&quot;$(HL2SDKOBVALVE)\public\engine&quot;;&quot;$(HL2SDKOBVALVE)\public\game\server&quot;;&quot;$(HL2SDKOBVALVE)\public\tier0&quot;;&quot;$(HL2SDKOBVALVE)\public\tier1&quot;;&quot;$(MMSOURCE18)\core&quot;;&quot;$(MMSOURCE18)\core\sourcehook&quot;"
+				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;SDK_EXPORTS;_CRT_SECURE_NO_DEPRECATE;SOURCEMOD_BUILD;SOURCE_ENGINE=4"
+				RuntimeLibrary="0"
+				EnableEnhancedInstructionSet="0"
+				RuntimeTypeInfo="false"
+				UsePrecompiledHeader="0"
+				WarningLevel="3"
+				Detect64BitPortabilityProblems="false"
+				DebugInformationFormat="3"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				AdditionalDependencies="&quot;$(HL2SDKOBVALVE)\lib\public\tier0.lib&quot; &quot;$(HL2SDKOBVALVE)\lib\public\tier1.lib&quot; &quot;$(HL2SDKOBVALVE)\lib\public\vstdlib.lib&quot;"
+				OutputFile="$(OutDir)\sample.ext.dll"
+				LinkIncremental="1"
+				IgnoreDefaultLibraryNames="LIBC;LIBCD;LIBCMTD"
+				GenerateDebugInformation="true"
+				SubSystem="2"
+				OptimizeReferences="2"
+				EnableCOMDATFolding="2"
+				RandomizedBaseAddress="1"
+				DataExecutionPrevention="0"
+				TargetMachine="1"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
 		<Configuration
 			Name="Debug - Left 4 Dead|Win32"
 			OutputDirectory="$(SolutionDir)$(ConfigurationName)"
@@ -688,10 +851,10 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalOptions="/D SE_EPISODEONE=1 /D SE_DARKMESSIAH=2 /D SE_ORANGEBOX=3 /D SE_LEFT4DEAD=4"
+				AdditionalOptions="/D SE_EPISODEONE=1 /D SE_DARKMESSIAH=2 /D SE_ORANGEBOX=3 /D SE_ORANGEBOXVALVE=4 /D SE_LEFT4DEAD=5 /D SE_LEFT4DEAD2=6"
 				Optimization="0"
-				AdditionalIncludeDirectories="..;..\sdk;..\..;..\..\sourcepawn;&quot;$(HL2SDKL4D)\public&quot;;&quot;$(HL2SDKL4D)\public\engine&quot;;&quot;$(HL2SDKL4D)\public\game\server&quot;;&quot;$(HL2SDKL4D)\public\tier0&quot;;&quot;$(HL2SDKL4D)\public\tier1&quot;;&quot;$(MMSOURCE17)\core&quot;;&quot;$(MMSOURCE17)\core\sourcehook&quot;"
-				PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_USRDLL;SDK_EXPORTS;_CRT_SECURE_NO_DEPRECATE;SOURCEMOD_BUILD;SOURCE_ENGINE=4"
+				AdditionalIncludeDirectories="..;..\sdk;..\..;..\..\sourcepawn;&quot;$(HL2SDKL4D)\public&quot;;&quot;$(HL2SDKL4D)\public\engine&quot;;&quot;$(HL2SDKL4D)\public\game\server&quot;;&quot;$(HL2SDKL4D)\public\tier0&quot;;&quot;$(HL2SDKL4D)\public\tier1&quot;;&quot;$(MMSOURCE18)\core&quot;;&quot;$(MMSOURCE18)\core\sourcehook&quot;"
+				PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_USRDLL;SDK_EXPORTS;_CRT_SECURE_NO_DEPRECATE;SOURCEMOD_BUILD;SOURCE_ENGINE=5"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="1"
@@ -770,10 +933,10 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalOptions="/MP /D SE_EPISODEONE=1 /D SE_DARKMESSIAH=2 /D SE_ORANGEBOX=3 /D SE_LEFT4DEAD=4"
+				AdditionalOptions="/MP /D SE_EPISODEONE=1 /D SE_DARKMESSIAH=2 /D SE_ORANGEBOX=3 /D SE_ORANGEBOXVALVE=4 /D SE_LEFT4DEAD=5 /D SE_LEFT4DEAD2=6"
 				FavorSizeOrSpeed="1"
-				AdditionalIncludeDirectories="..;..\sdk;..\..;..\..\sourcepawn;&quot;$(HL2SDKL4D)\public&quot;;&quot;$(HL2SDKL4D)\public\engine&quot;;&quot;$(HL2SDKL4D)\public\game\server&quot;;&quot;$(HL2SDKL4D)\public\tier0&quot;;&quot;$(HL2SDKL4D)\public\tier1&quot;;&quot;$(MMSOURCE17)\core&quot;;&quot;$(MMSOURCE17)\core\sourcehook&quot;"
-				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;SDK_EXPORTS;_CRT_SECURE_NO_DEPRECATE;SOURCEMOD_BUILD;SOURCE_ENGINE=4"
+				AdditionalIncludeDirectories="..;..\sdk;..\..;..\..\sourcepawn;&quot;$(HL2SDKL4D)\public&quot;;&quot;$(HL2SDKL4D)\public\engine&quot;;&quot;$(HL2SDKL4D)\public\game\server&quot;;&quot;$(HL2SDKL4D)\public\tier0&quot;;&quot;$(HL2SDKL4D)\public\tier1&quot;;&quot;$(MMSOURCE18)\core&quot;;&quot;$(MMSOURCE18)\core\sourcehook&quot;"
+				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;SDK_EXPORTS;_CRT_SECURE_NO_DEPRECATE;SOURCEMOD_BUILD;SOURCE_ENGINE=5"
 				RuntimeLibrary="0"
 				EnableEnhancedInstructionSet="0"
 				RuntimeTypeInfo="false"
@@ -827,6 +990,169 @@
 				Name="VCPostBuildEventTool"
 			/>
 		</Configuration>
+		<Configuration
+			Name="Debug - Left 4 Dead 2|Win32"
+			OutputDirectory="$(SolutionDir)$(ConfigurationName)"
+			IntermediateDirectory="$(ConfigurationName)"
+			ConfigurationType="2"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions="/D SE_EPISODEONE=1 /D SE_DARKMESSIAH=2 /D SE_ORANGEBOX=3 /D SE_ORANGEBOXVALVE=4 /D SE_LEFT4DEAD=5 /D SE_LEFT4DEAD2=6"
+				Optimization="0"
+				AdditionalIncludeDirectories="..;..\sdk;..\..;..\..\sourcepawn;&quot;$(HL2SDKL4D2)\public&quot;;&quot;$(HL2SDKL4D2)\public\engine&quot;;&quot;$(HL2SDKL4D2)\public\game\server&quot;;&quot;$(HL2SDKL4D2)\public\tier0&quot;;&quot;$(HL2SDKL4D2)\public\tier1&quot;;&quot;$(MMSOURCE18)\core&quot;;&quot;$(MMSOURCE18)\core\sourcehook&quot;"
+				PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_USRDLL;SDK_EXPORTS;_CRT_SECURE_NO_DEPRECATE;SOURCEMOD_BUILD;SOURCE_ENGINE=6"
+				MinimalRebuild="true"
+				BasicRuntimeChecks="3"
+				RuntimeLibrary="1"
+				EnableEnhancedInstructionSet="0"
+				RuntimeTypeInfo="false"
+				UsePrecompiledHeader="0"
+				WarningLevel="3"
+				Detect64BitPortabilityProblems="false"
+				DebugInformationFormat="4"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				AdditionalDependencies="&quot;$(HL2SDKL4D2)\lib\public\tier0.lib&quot; &quot;$(HL2SDKL4D2)\lib\public\tier1.lib&quot; &quot;$(HL2SDKL4D2)\lib\public\vstdlib.lib&quot;"
+				OutputFile="$(OutDir)\sample.ext.dll"
+				LinkIncremental="2"
+				IgnoreDefaultLibraryNames="LIBC;LIBCD;LIBCMT"
+				GenerateDebugInformation="true"
+				SubSystem="2"
+				RandomizedBaseAddress="1"
+				DataExecutionPrevention="0"
+				TargetMachine="1"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+		<Configuration
+			Name="Release - Left 4 Dead 2|Win32"
+			OutputDirectory="$(SolutionDir)$(ConfigurationName)"
+			IntermediateDirectory="$(ConfigurationName)"
+			ConfigurationType="2"
+			CharacterSet="2"
+			WholeProgramOptimization="1"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalOptions="/MP /D SE_EPISODEONE=1 /D SE_DARKMESSIAH=2 /D SE_ORANGEBOX=3 /D SE_ORANGEBOXVALVE=4 /D SE_LEFT4DEAD=5 /D SE_LEFT4DEAD2=6"
+				FavorSizeOrSpeed="1"
+				AdditionalIncludeDirectories="..;..\sdk;..\..;..\..\sourcepawn;&quot;$(HL2SDKL4D2)\public&quot;;&quot;$(HL2SDKL4D2)\public\engine&quot;;&quot;$(HL2SDKL4D2)\public\game\server&quot;;&quot;$(HL2SDKL4D2)\public\tier0&quot;;&quot;$(HL2SDKL4D2)\public\tier1&quot;;&quot;$(MMSOURCE18)\core&quot;;&quot;$(MMSOURCE18)\core\sourcehook&quot;"
+				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;SDK_EXPORTS;_CRT_SECURE_NO_DEPRECATE;SOURCEMOD_BUILD;SOURCE_ENGINE=6"
+				RuntimeLibrary="0"
+				EnableEnhancedInstructionSet="0"
+				RuntimeTypeInfo="false"
+				UsePrecompiledHeader="0"
+				WarningLevel="3"
+				Detect64BitPortabilityProblems="false"
+				DebugInformationFormat="3"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLinkerTool"
+				AdditionalDependencies="&quot;$(HL2SDKL4D2)\lib\public\tier0.lib&quot; &quot;$(HL2SDKL4D2)\lib\public\tier1.lib&quot; &quot;$(HL2SDKL4D2)\lib\public\vstdlib.lib&quot;"
+				OutputFile="$(OutDir)\sample.ext.dll"
+				LinkIncremental="1"
+				IgnoreDefaultLibraryNames="LIBC;LIBCD;LIBCMTD"
+				GenerateDebugInformation="true"
+				SubSystem="2"
+				OptimizeReferences="2"
+				EnableCOMDATFolding="2"
+				RandomizedBaseAddress="1"
+				DataExecutionPrevention="0"
+				TargetMachine="1"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCManifestTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCAppVerifierTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
 		<Configuration
 			Name="Debug - Episode 1|Win32"
 			OutputDirectory="$(SolutionDir)$(ConfigurationName)"
@@ -851,9 +1177,9 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalOptions="/D SE_EPISODEONE=1 /D SE_DARKMESSIAH=2 /D SE_ORANGEBOX=3 /D SE_LEFT4DEAD=4"
+				AdditionalOptions="/D SE_EPISODEONE=1 /D SE_DARKMESSIAH=2 /D SE_ORANGEBOX=3 /D SE_ORANGEBOXVALVE=4 /D SE_LEFT4DEAD=5 /D SE_LEFT4DEAD2=6"
 				Optimization="0"
-				AdditionalIncludeDirectories="..;..\sdk;..\..;..\..\sourcepawn;&quot;$(HL2SDK)\public&quot;;&quot;$(HL2SDK)\public\dlls&quot;;&quot;$(HL2SDK)\public\engine&quot;;&quot;$(HL2SDK)\public\tier0&quot;;&quot;$(HL2SDK)\public\tier1&quot;;&quot;$(MMSOURCE17)\core&quot;;&quot;$(MMSOURCE17)\core\sourcehook&quot;"
+				AdditionalIncludeDirectories="..;..\sdk;..\..;..\..\sourcepawn;&quot;$(HL2SDK)\public&quot;;&quot;$(HL2SDK)\public\dlls&quot;;&quot;$(HL2SDK)\public\engine&quot;;&quot;$(HL2SDK)\public\tier0&quot;;&quot;$(HL2SDK)\public\tier1&quot;;&quot;$(MMSOURCE18)\core&quot;;&quot;$(MMSOURCE18)\core\sourcehook&quot;"
 				PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_USRDLL;SDK_EXPORTS;_CRT_SECURE_NO_DEPRECATE;SOURCEMOD_BUILD;SOURCE_ENGINE=2"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -933,9 +1259,9 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalOptions="/MP /D SE_EPISODEONE=1 /D SE_DARKMESSIAH=2 /D SE_ORANGEBOX=3 /D SE_LEFT4DEAD=4"
+				AdditionalOptions="/MP /D SE_EPISODEONE=1 /D SE_DARKMESSIAH=2 /D SE_ORANGEBOX=3 /D SE_ORANGEBOXVALVE=4 /D SE_LEFT4DEAD=5 /D SE_LEFT4DEAD2=6"
 				FavorSizeOrSpeed="1"
-				AdditionalIncludeDirectories="..;..\sdk;..\..;..\..\sourcepawn;&quot;$(HL2SDK)\public&quot;;&quot;$(HL2SDK)\public\dlls&quot;;&quot;$(HL2SDK)\public\engine&quot;;&quot;$(HL2SDK)\public\tier0&quot;;&quot;$(HL2SDK)\public\tier1&quot;;&quot;$(MMSOURCE17)\core&quot;;&quot;$(MMSOURCE17)\core\sourcehook&quot;"
+				AdditionalIncludeDirectories="..;..\sdk;..\..;..\..\sourcepawn;&quot;$(HL2SDK)\public&quot;;&quot;$(HL2SDK)\public\dlls&quot;;&quot;$(HL2SDK)\public\engine&quot;;&quot;$(HL2SDK)\public\tier0&quot;;&quot;$(HL2SDK)\public\tier1&quot;;&quot;$(MMSOURCE18)\core&quot;;&quot;$(MMSOURCE18)\core\sourcehook&quot;"
 				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;SDK_EXPORTS;_CRT_SECURE_NO_DEPRECATE;SOURCEMOD_BUILD;SOURCE_ENGINE=2"
 				RuntimeLibrary="0"
 				EnableEnhancedInstructionSet="0"