diff --git a/AMBuildScript b/AMBuildScript
index 9d070f68..13040ff3 100644
--- a/AMBuildScript
+++ b/AMBuildScript
@@ -13,16 +13,18 @@ class SM:
 		                         'name': 'EPISODEONE',     'platform': ['windows', 'linux']}
 		self.sdkInfo['ep2'] =   {'sdk': 'HL2SDKOB',        'ext': '2.ep2',   'def': '3',
 		                         'name': 'ORANGEBOX',      'platform': ['windows', 'linux']}
-		self.sdkInfo['ep2v'] =  {'sdk': 'HL2SDKOBVALVE',   'ext': '2.ep2v',  'def': '4',
+		self.sdkInfo['ep2v'] =  {'sdk': 'HL2SDKOBVALVE',   'ext': '2.ep2v',  'def': '5',
 		                         'name': 'ORANGEBOXVALVE', 'platform': ['windows', 'linux', 'darwin']}
-		self.sdkInfo['l4d'] =   {'sdk': 'HL2SDKL4D',       'ext': '2.l4d',   'def': '5',
+		self.sdkInfo['l4d'] =   {'sdk': 'HL2SDKL4D',       'ext': '2.l4d',   'def': '6',
 		                         'name': 'LEFT4DEAD',      'platform': ['windows', 'linux', 'darwin']}
-		self.sdkInfo['l4d2'] =  {'sdk': 'HL2SDKL4D2',      'ext': '2.l4d2',  'def': '6',
+		self.sdkInfo['l4d2'] =  {'sdk': 'HL2SDKL4D2',      'ext': '2.l4d2',  'def': '7',
 		                         'name': 'LEFT4DEAD2',     'platform': ['windows', 'linux', 'darwin']}
 		self.sdkInfo['darkm'] = {'sdk': 'HL2SDK-DARKM',    'ext': '2.darkm', 'def': '2',
 		                         'name': 'DARKMESSIAH',    'platform': ['windows']}
-		self.sdkInfo['swarm'] = {'sdk': 'HL2SDK-SWARM',    'ext': '2.swarm', 'def': '7',
+		self.sdkInfo['swarm'] = {'sdk': 'HL2SDK-SWARM',    'ext': '2.swarm', 'def': '8',
 		                         'name': 'ALIENSWARM',     'platform': ['windows']}
+		self.sdkInfo['bgt'] =   {'sdk': 'HL2SDK-BGT',    'ext': '2.bgt', 'def': '4',
+		                         'name': 'BLOODYGOODTIME',     'platform': ['windows']}
 
 		if AMBuild.mode == 'config':
 			#Detect compilers
@@ -44,6 +46,7 @@ class SM:
 			if AMBuild.target['platform'] == 'windows':
 				envvars['HL2SDK-DARKM'] = 'hl2sdk-darkm'
 				envvars['HL2SDK-SWARM'] = 'hl2sdk-swarm'
+				envvars['HL2SDK-BGT']   = 'hl2sdk-bgt'
 
 			#Must have a path for each envvar (file a bug if you don't like this)
 			for i in envvars:
diff --git a/core/ExtensionSys.cpp b/core/ExtensionSys.cpp
index 4b59a8a1..9cecd5d8 100644
--- a/core/ExtensionSys.cpp
+++ b/core/ExtensionSys.cpp
@@ -69,6 +69,8 @@ CRemoteExtension::CRemoteExtension(IExtensionInterface *pAPI, const char *filena
 #define GAMEFIX "2.swarm"
 #elif SOURCE_ENGINE == SE_ORANGEBOX
 #define GAMEFIX "2.ep2"
+#elif SOURCE_ENGINE == SE_BLOODYGOODTIME
+#define GAMEFIX "2.bgt"
 #elif SOURCE_ENGINE == SE_ORANGEBOXVALVE
 #define GAMEFIX "2.ep2v"
 #elif SOURCE_ENGINE == SE_DARKMESSIAH
diff --git a/core/PluginSys.h b/core/PluginSys.h
index 51cf54af..dfb34176 100644
--- a/core/PluginSys.h
+++ b/core/PluginSys.h
@@ -51,7 +51,7 @@
 #include "convar_sm_swarm.h"
 #elif (SOURCE_ENGINE == SE_LEFT4DEAD) || (SOURCE_ENGINE == SE_LEFT4DEAD2)
 #include "convar_sm_l4d.h"
-#elif (SOURCE_ENGINE == SE_ORANGEBOX) || (SOURCE_ENGINE == SE_ORANGEBOXVALVE)
+#elif (SOURCE_ENGINE == SE_ORANGEBOX) || (SOURCE_ENGINE == SE_BLOODYGOODTIME) || (SOURCE_ENGINE == SE_ORANGEBOXVALVE)
 #include "convar_sm_ob.h"
 #else
 #include "convar_sm.h"
diff --git a/core/logic_bridge.cpp b/core/logic_bridge.cpp
index 61702901..bb3021ba 100644
--- a/core/logic_bridge.cpp
+++ b/core/logic_bridge.cpp
@@ -139,6 +139,8 @@ static const char *get_source_engine_name()
 	return "darkmessiah";
 #elif SOURCE_ENGINE == SE_ORANGEBOX
 	return "orangebox";
+#elif SOURCE_ENGINE == SE_BLOODYGOODTIME
+	return "bloodygoodtime";
 #elif SOURCE_ENGINE == SE_ORANGEBOXVALVE
 	return "orangebox_valve";
 #elif SOURCE_ENGINE == SE_LEFT4DEAD
diff --git a/core/smn_halflife.cpp b/core/smn_halflife.cpp
index df2df3e2..e6e8d6b5 100644
--- a/core/smn_halflife.cpp
+++ b/core/smn_halflife.cpp
@@ -459,6 +459,8 @@ static cell_t GuessSDKVersion(IPluginContext *pContext, const cell_t *params)
 		return 15;
 	case SOURCE_ENGINE_ORANGEBOX:
 		return 30;
+	case SOURCE_ENGINE_BLOODYGOODTIME:
+		return 32;
 	case SOURCE_ENGINE_ORANGEBOXVALVE:
 		return 35;
 	case SOURCE_ENGINE_LEFT4DEAD:
diff --git a/core/sourcemm_api.h b/core/sourcemm_api.h
index 0f2130c0..8c3e3107 100644
--- a/core/sourcemm_api.h
+++ b/core/sourcemm_api.h
@@ -36,7 +36,7 @@
 #include "convar_sm_swarm.h"
 #elif (SOURCE_ENGINE == SE_LEFT4DEAD) || (SOURCE_ENGINE == SE_LEFT4DEAD2)
 #include "convar_sm_l4d.h"
-#elif (SOURCE_ENGINE == SE_ORANGEBOX) || (SOURCE_ENGINE == SE_ORANGEBOXVALVE)
+#elif (SOURCE_ENGINE == SE_ORANGEBOX) || (SOURCE_ENGINE == SE_BLOODYGOODTIME) || (SOURCE_ENGINE == SE_ORANGEBOXVALVE)
 #include "convar_sm_ob.h"
 #else
 #include "convar_sm.h"
diff --git a/loader/loader.cpp b/loader/loader.cpp
index d2fc8a67..f3c4bb69 100644
--- a/loader/loader.cpp
+++ b/loader/loader.cpp
@@ -74,6 +74,7 @@
 #define FILENAME_1_6_DARKM			"sourcemod.2.darkm" PLATFORM_EXT
 #define FILENAME_1_6_L4D2			"sourcemod.2.l4d2" PLATFORM_EXT
 #define FILENAME_1_6_SWARM			"sourcemod.2.swarm" PLATFORM_EXT
+#define FILENAME_1_6_BGT			"sourcemod.2.bgt" PLATFORM_EXT
 
 HINSTANCE g_hCore = NULL;
 bool load_attempted = false;
@@ -245,6 +246,11 @@ DLL_EXPORT METAMOD_PLUGIN *CreateInterface_MMS(const MetamodVersionInfo *mvi, co
 			filename = FILENAME_1_6_SWARM;
 			break;
 		}
+	case SOURCE_ENGINE_BLOODYGOODTIME:
+		{
+			filename = FILENAME_1_6_BGT;
+			break;
+		}
 	default:
 		{
 			return NULL;