diff --git a/core/ExtensionSys.cpp b/core/ExtensionSys.cpp
index 2ab2a4a6..a30125e8 100644
--- a/core/ExtensionSys.cpp
+++ b/core/ExtensionSys.cpp
@@ -74,7 +74,7 @@ CLocalExtension::CLocalExtension(const char *filename)
 #elif SOURCE_ENGINE == SE_ORANGEBOX
 		"extensions/auto.2.ep2/%s",
 #elif SOURCE_ENGINE == SE_ORANGEBOXVALVE
-		"extensions/auto.2.ep2valve",
+		"extensions/auto.2.ep2valve/%s",
 #elif SOURCE_ENGINE == SE_DARKMESSIAH
 		"extensions/auto.2.darkm/%s",
 #else
diff --git a/extensions/bintools/Makefile b/extensions/bintools/Makefile
index 0e02a3be..4570da62 100644
--- a/extensions/bintools/Makefile
+++ b/extensions/bintools/Makefile
@@ -37,6 +37,8 @@ ifeq "$(ENGINE)" "original"
 	INCLUDE += -I$(MMSOURCE17)/core -I$(MMSOURCE17)/core/sourcehook
 	SRCDS = $(SRCDS_BASE)
 	override ENGSET = true
+	USEMETA = true
+	CFLAGS += -DHOOKING_ENABLED
 endif
 ifeq "$(ENGINE)" "orangebox"
 	HL2SDK = $(HL2SDK_OB)
diff --git a/extensions/bintools/msvc9/bintools.vcproj b/extensions/bintools/msvc9/bintools.vcproj
index 5507a138..477155bb 100644
--- a/extensions/bintools/msvc9/bintools.vcproj
+++ b/extensions/bintools/msvc9/bintools.vcproj
@@ -991,6 +991,10 @@
 			Filter="rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav"
 			UniqueIdentifier="{C06F7BFF-18EE-4994-8572-D6383011354B}"
 			>
+			<File
+				RelativePath="..\..\..\public\extensions\IBinTools.h"
+				>
+			</File>
 			<File
 				RelativePath="..\version.rc"
 				>
@@ -1070,10 +1074,6 @@
 			Name="Interfaces"
 			UniqueIdentifier="{7DE81EA3-99D9-4f34-823A-B314791F3514}"
 			>
-			<File
-				RelativePath="..\..\..\public\extensions\IBinTools.h"
-				>
-			</File>
 		</Filter>
 	</Files>
 	<Globals>
diff --git a/loader/loader.cpp b/loader/loader.cpp
index 041ebbbc..244bcc5b 100644
--- a/loader/loader.cpp
+++ b/loader/loader.cpp
@@ -48,6 +48,8 @@
 		return (c == '/' || c == '\\');
 	}
 	#include <Windows.h>
+	#define TF_PATH					"\\tf\\"
+	#define DOD_PATH				"\\dod\\"
 #else
 	#define DLL_EXPORT				extern "C" __attribute__((visibility("default")))
 	#define openlib(lib)			dlopen(lib, RTLD_NOW)
@@ -61,6 +63,8 @@
 		return (c == '/');
 	}
 	#include <dlfcn.h>
+	#define TF_PATH					"/tf/"
+	#define DOD_PATH				"/dod/"
 #endif
 
 #define METAMOD_API_MAJOR			2
@@ -213,7 +217,7 @@ DLL_EXPORT METAMOD_PLUGIN *CreateInterface_MMS(const MetamodVersionInfo *mvi, co
 		}
 	case SOURCE_ENGINE_ORANGEBOX:
 		{
-			if (strncmp(mli->pl_path, "tf/", 3) == 0)
+			if (strstr(mli->pl_path, TF_PATH) || strstr(mli->pl_path, DOD_PATH))
 			{
 				filename = FILENAME_1_6_EP2VALVE;
 				break;
diff --git a/tools/builder/LinuxBuilder.cs b/tools/builder/LinuxBuilder.cs
index 689b9d87..99dbe3b1 100644
--- a/tools/builder/LinuxBuilder.cs
+++ b/tools/builder/LinuxBuilder.cs
@@ -49,6 +49,10 @@ namespace builder
 			{
 				output_folder += ".orangeboxvalve";
 			}
+			else if (lib.build_mode == BuildMode.BuildMode_Episode2Valve)
+			{
+				output_folder += ".orangeboxvalve";
+			}
 			else if (lib.build_mode == BuildMode.BuildMode_OldMetamod)
 			{
 				output_folder += ".original";
@@ -81,6 +85,10 @@ namespace builder
 			{
 				makefile_args += "ENGINE=\"orangeboxvalve\" ";
 			}
+			else if (lib.build_mode == BuildMode.BuildMode_Episode2Valve)
+			{
+				makefile_args += "ENGINE=\"orangeboxvalve\" ";
+			}
 			else if (lib.build_mode == BuildMode.BuildMode_OldMetamod)
 			{
 				makefile_args += "ENGINE=\"original\"";
diff --git a/tools/builder/PkgCore.cs b/tools/builder/PkgCore.cs
index 719798f8..1a78065f 100644
--- a/tools/builder/PkgCore.cs
+++ b/tools/builder/PkgCore.cs
@@ -69,6 +69,7 @@ namespace builder
 			folders.Add("addons/sourcemod/extensions/auto.2.darkm");
 			//folders.Add("addons/sourcemod/extensions/auto.2.ep1");
 			folders.Add("addons/sourcemod/extensions/auto.2.ep2");
+			folders.Add("addons/sourcemod/extensions/auto.2.ep2valve");
 			folders.Add("addons/sourcemod/extensions/auto.2.l4d");
 			folders.Add("addons/sourcemod/scripting/playercommands");
 			folders.Add("addons/metamod");
@@ -192,6 +193,14 @@ namespace builder
 			lib.build_mode = BuildMode.BuildMode_Episode2Valve;
 			libraries.Add(lib);
 
+			lib = new Library();
+			lib.package_path = "addons/sourcemod/bin";
+			lib.source_path = "core";
+			lib.binary_name = "sourcemod.2.ep2valve";
+			lib.vcproj_name = "sourcemod_mm";
+			lib.build_mode = BuildMode.BuildMode_Episode2Valve;
+			libraries.Add(lib);
+
 			lib = new Library();
 			lib.package_path = "addons/sourcemod/bin";
 			lib.source_path = "core";
@@ -229,14 +238,14 @@ namespace builder
 			lib.build_mode = BuildMode.BuildMode_OldMetamod;
 			libraries.Add(lib);
 
-            lib = new Library();
-            lib.package_path = "addons/sourcemod/extensions/auto.2.darkm";
-            lib.source_path = "extensions/bintools";
-            lib.binary_name = "bintools.ext";
-            lib.vcproj_name = "bintools";
-            lib.build_mode = BuildMode.BuildMode_DarkMessiah;
+			lib = new Library();
+			lib.package_path = "addons/sourcemod/extensions/auto.2.darkm";
+			lib.source_path = "extensions/bintools";
+			lib.binary_name = "bintools.ext";
+			lib.vcproj_name = "bintools";
+			lib.build_mode = BuildMode.BuildMode_DarkMessiah;
 			lib.platform = BasePlatform.Platform_Windows;
-            libraries.Add(lib);
+			libraries.Add(lib);
 
 			lib = new Library();
 			lib.package_path = "addons/sourcemod/extensions/auto.2.ep2";
@@ -254,6 +263,14 @@ namespace builder
 			lib.build_mode = BuildMode.BuildMode_Episode2Valve;
 			libraries.Add(lib);
 
+			lib = new Library();
+			lib.package_path = "addons/sourcemod/extensions/auto.2.ep2valve";
+			lib.source_path = "extensions/bintools";
+			lib.binary_name = "bintools.ext";
+			lib.vcproj_name = "bintools";
+			lib.build_mode = BuildMode.BuildMode_Episode2Valve;
+			libraries.Add(lib);
+
 			lib = new Library();
 			lib.package_path = "addons/sourcemod/extensions/auto.2.l4d";
 			lib.source_path = "extensions/bintools";
@@ -277,14 +294,14 @@ namespace builder
 			lib.build_mode = BuildMode.BuildMode_OldMetamod;
 			libraries.Add(lib);
 
-            lib = new Library();
-            lib.package_path = "addons/sourcemod/extensions/auto.2.darkm";
-            lib.source_path = "extensions/sdktools";
-            lib.binary_name = "sdktools.ext";
-            lib.vcproj_name = "sdktools";
-            lib.build_mode = BuildMode.BuildMode_DarkMessiah;
+			lib = new Library();
+			lib.package_path = "addons/sourcemod/extensions/auto.2.darkm";
+			lib.source_path = "extensions/sdktools";
+			lib.binary_name = "sdktools.ext";
+			lib.vcproj_name = "sdktools";
+			lib.build_mode = BuildMode.BuildMode_DarkMessiah;
 			lib.platform = BasePlatform.Platform_Windows;
-            libraries.Add(lib);
+			libraries.Add(lib);
 
 			lib = new Library();
 			lib.package_path = "addons/sourcemod/extensions/auto.2.ep2";
@@ -302,6 +319,14 @@ namespace builder
 			lib.build_mode = BuildMode.BuildMode_Episode2Valve;
 			libraries.Add(lib);
 
+			lib = new Library();
+			lib.package_path = "addons/sourcemod/extensions/auto.2.ep2valve";
+			lib.source_path = "extensions/sdktools";
+			lib.binary_name = "sdktools.ext";
+			lib.vcproj_name = "sdktools";
+			lib.build_mode = BuildMode.BuildMode_Episode2Valve;
+			libraries.Add(lib);
+
 			lib = new Library();
 			lib.package_path = "addons/sourcemod/extensions/auto.2.l4d";
 			lib.source_path = "extensions/sdktools";
diff --git a/tools/builder/Win32Builder.cs b/tools/builder/Win32Builder.cs
index 3f6e20c1..5b166601 100644
--- a/tools/builder/Win32Builder.cs
+++ b/tools/builder/Win32Builder.cs
@@ -54,6 +54,10 @@ namespace builder
 			{
 				config_name = config_name + " - Orange Box Valve";
 			}
+			else if (lib.build_mode == BuildMode.BuildMode_Episode2Valve)
+			{
+				config_name = config_name + " - Orange Box Valve";
+			}
 			else if (lib.build_mode == BuildMode.BuildMode_OldMetamod)
 			{
 				config_name = config_name + " - Old Metamod";