diff --git a/extensions/sdktools/vnatives.cpp b/extensions/sdktools/vnatives.cpp
index e81086d1..561e931a 100644
--- a/extensions/sdktools/vnatives.cpp
+++ b/extensions/sdktools/vnatives.cpp
@@ -713,6 +713,34 @@ static cell_t CreateEntityByName(IPluginContext *pContext, const cell_t *params)
 }
 #endif
 
+#if SOURCE_ENGINE == SE_LEFT4DEAD2
+static cell_t DispatchSpawn(IPluginContext *pContext, const cell_t *params)
+{
+	static ValveCall *pCall = NULL;
+	if (!pCall)
+	{
+		ValvePassInfo pass[3];
+		InitPass(pass[0], Valve_CBaseEntity, PassType_Basic, PASSFLAG_BYVAL);
+		InitPass(pass[1], Valve_Bool, PassType_Basic, PASSFLAG_BYVAL);
+		InitPass(pass[2], Valve_POD, PassType_Basic, PASSFLAG_BYVAL);
+		if (!CreateBaseCall("DispatchSpawn", ValveCall_Static, &pass[2], pass, 2, &pCall))
+		{
+			return pContext->ThrowNativeError("\"DispatchSpawn\" not supported by this mod");
+		} else if (!pCall) {
+			return pContext->ThrowNativeError("\"DispatchSpawn\" wrapper failed to initialize");
+		}
+	}
+
+	int ret;
+	START_CALL();
+	DECODE_VALVE_PARAM(1, vparams, 0);
+	/* All X-refs to DispatchSpawn I checked use true - Unsure of what it does */
+	*(bool *)(vptr + 4) = true;
+	FINISH_CALL_SIMPLE(&ret);
+
+	return (ret == -1) ? 0 : 1;
+}
+#else
 static cell_t DispatchSpawn(IPluginContext *pContext, const cell_t *params)
 {
 	static ValveCall *pCall = NULL;
@@ -736,6 +764,7 @@ static cell_t DispatchSpawn(IPluginContext *pContext, const cell_t *params)
 
 	return (ret == -1) ? 0 : 1;
 }
+#endif
 
 static cell_t DispatchKeyValue(IPluginContext *pContext, const cell_t *params)
 {
diff --git a/gamedata/core.games/engine.l4d2.txt b/gamedata/core.games/engine.l4d2.txt
new file mode 100644
index 00000000..c5195516
--- /dev/null
+++ b/gamedata/core.games/engine.l4d2.txt
@@ -0,0 +1,51 @@
+/**
+ * Do not edit this file.  Any changes will be overwritten by the gamedata
+ * updater or by upgrading your SourceMod install.
+ *
+ * To override data in this file, create a subdirectory named "custom" and
+ * place your own gamedata file(s) inside of it.  Such files will be parsed
+ * after SM's own.
+ *
+ * For more information, see http://wiki.alliedmods.net/Gamedata_Updating_(SourceMod)
+ */
+
+"Games"
+{
+	/* CGlobalEntityList */
+	"#default"
+	{
+		"#supported"
+		{
+			"game"		"left4dead2"
+		}
+		
+		"Offsets"
+		{
+			/* Offset into LevelShutdown */
+			"gEntList"
+			{
+				"windows"	"11"
+			}
+
+			"EntInfo"
+			{
+				"windows"	"4"	
+				"linux"		"4"
+			}
+		}
+		
+		"Signatures"
+		{
+			"LevelShutdown"
+			{
+				"library"	"server"
+				"windows"	"\xE8\x2A\x2A\x2A\x2A\xE8\x2A\x2A\x2A\x2A\xB9\x2A\x2A\x2A\x2A\xE8\x2A\x2A\x2A\x2A\xE8"
+			}
+			"gEntList"
+			{
+				"library"	"server"
+				"linux"		"@gEntList"
+			}
+		}
+	}
+}
diff --git a/gamedata/core.games/master.games.txt b/gamedata/core.games/master.games.txt
index c35800de..7766bfd9 100644
--- a/gamedata/core.games/master.games.txt
+++ b/gamedata/core.games/master.games.txt
@@ -20,6 +20,11 @@
 		"engine"	"left4dead"
 	}
 	
+	"engine.l4d2.txt"
+	{
+		"engine"	"left4dead2"
+	}
+	
 	"engine.ep2.txt"
 	{
 		"engine"	"orangebox"
diff --git a/gamedata/sdktools.games/engine.l4d2.txt b/gamedata/sdktools.games/engine.l4d2.txt
new file mode 100644
index 00000000..1d28d191
--- /dev/null
+++ b/gamedata/sdktools.games/engine.l4d2.txt
@@ -0,0 +1,358 @@
+/**
+ * Do not edit this file.  Any changes will be overwritten by the gamedata
+ * updater or by upgrading your SourceMod install.
+ *
+ * To override data in this file, create a subdirectory named "custom" and
+ * place your own gamedata file(s) inside of it.  Such files will be parsed
+ * after SM's own.
+ *
+ * For more information, see http://wiki.alliedmods.net/Gamedata_Updating_(SourceMod)
+ */
+
+"Games"
+{
+	/* Sounds */
+	"#default"
+	{
+		"Keys"
+		{
+			"SlapSoundCount"	"2"
+			"SlapSound1"		"player/damage1.wav"
+			"SlapSound2"		"player/damage2.wav"
+		}
+	}
+	
+	/* General Temp Entities */
+	"#default"
+	{
+		"#supported"
+		{
+			"game"		"left4dead2"
+		}
+
+		"Offsets"
+		{
+			/* Offset into CBaseTempEntity constructor */
+			"s_pTempEntities"
+			{
+				"windows"	"17"
+			}
+			"GetTEName"
+			{
+				"windows"	"4"
+				"linux"		"4"
+			}
+			"GetTENext"
+			{
+				"windows"	"8"
+				"linux"		"8"
+			}
+			"TE_GetServerClass"
+			{
+				"windows"	"0"
+				"linux"		"0"
+			}
+		}
+
+		"Signatures"
+		{
+			"CBaseTempEntity"
+			{
+				"library"	"server"
+				"windows"	"\x8B\xC1\x8B\x4C\x24\x04\xC7\x00\x2A\x2A\x2A\x2A\x89\x48\x04\x8B\x15\x2A\x2A\x2A\x2A\x89\x50\x08\xA3\x2A\x2A\x2A\x2A\xC2\x04\x00"
+			}
+			"s_pTempEntities"
+			{
+				"library"	"server"
+				"linux"		"@_ZN15CBaseTempEntity15s_pTempEntitiesE"
+			}
+		}
+	}
+	
+	/* Create Entity Signatures */
+	"#default"
+	{
+		"#supported"
+		{
+			"game"		"left4dead2"
+		}
+
+		"Signatures"
+		{
+			"DispatchSpawn"
+			{
+				"library"	"server"
+				"linux"		"@_Z13DispatchSpawnP11CBaseEntityb"
+				"windows"	"\x53\x55\x56\x8B\x74\x24\x10\x85\xF6\x57\x0F\x84\x2A\x2A\x2A\x2A\x8B\x1D\x2A\x2A\x2A\x2A\x8B\x03\x8B\x50\x2A\x8B\xCB"
+			}
+			"CreateEntityByName"
+			{
+				"library"	"server"
+				"linux"		"@_Z18CreateEntityByNamePKcib"
+				"windows"	"\x56\x8B\x74\x24\x0C\x83\xFE\xFF\x57\x8B\x7C\x24\x0C\x74\x27\x8B\x0D\x2A\x2A\x2A\x2A\x8B\x01\x8B\x50\x2A\x56\xFF\xD2"
+			}
+		}
+	}
+
+	/* CGlobalEntityList */
+	"#default"
+	{
+		"#supported"
+		{
+			"game"		"left4dead2"
+		}
+			
+		"Signatures"
+		{
+			/* Functions in CGlobalEntityList */
+			"FindEntityByClassname"
+			{
+				"library"	"server"
+				"windows"	"\x53\x55\x56\x8B\xF1\x8B\x4C\x24\x10\x85\xC9\x57\x74\x19\x8B\x01\x8B\x50\x08\xFF\xD2\x8B\x00\x25\xFF\x0F\x00\x00\x83\xC0\x01\xC1\xE0\x04\x8B\x3C\x30\xEB\x06\x8B\xBE\x2A\x2A\x2A\x2A\x85\xFF\x74\x39\x8B\x5C\x24\x18\x8B\x2D\x2A\x2A\x2A\x2A\xEB\x03"
+				"linux"		"@_ZN17CGlobalEntityList21FindEntityByClassnameEP11CBaseEntityPKc"
+			}
+		}
+	}
+
+	/* General GameRules */
+	"#default"
+	{
+		"#supported"
+		{
+			"game"		"left4dead2"
+		}
+		
+		"Offsets"
+		{
+			/* Offset into CreateGameRulesObject */
+			"g_pGameRules"
+			{
+				"windows"	"2"
+			}
+		}
+		
+		"Signatures"
+		{
+			/* This signature sometimes has multiple matches, but this
+			 * does not matter as g_pGameRules is involved in all of them.
+			 * The same g_pGameRules offset applies to each match.
+			 *
+			 * Sometimes this block of bytes is at the beginning of the static
+			 * CreateGameRulesObject function and sometimes it is in the middle
+			 * of an entirely different function. This depends on the game.
+			 */
+			"CreateGameRulesObject"
+			{
+				"library"	"server"
+				"windows"	"\x8B\x0D\x2A\x2A\x2A\x2A\x85\xC9\x74\x2A\x8B\x01\x8B\x50\x2A\x6A\x01\xFF\xD2"
+			}
+			"g_pGameRules"
+			{
+				"library"	"server"
+				"linux"		"@g_pGameRules"
+			}
+		}
+	}
+
+	/* IServer interface pointer */
+	"#default"
+	{
+		"Keys"
+		{
+			/* Signature for the beginning of IVEngineServer::CreateFakeClient.
+			 *
+			 * The engine binary is not actually scanned in order to look for
+			 * this. SourceHook is used to used to determine the address of the
+			 * function and this signature is used to verify that it contains
+			 * the expected code. A pointer to sv (IServer interface) is used
+			 * here.
+			 */
+			"CreateFakeClient_Windows"	"\x8B\x44\x24\x2A\x50\xB9\x2A\x2A\x2A\x2A\xE8"
+		}
+		
+		"Offsets"
+		{
+			/* Offset into IVEngineServer::CreateFakeClient */
+			"sv"
+			{
+				"windows"	"6"
+			}
+		}
+
+		"Signatures"
+		{
+			/* CBaseServer object for IServer interface */
+			"sv"
+			{
+				"library"	"engine"
+				"linux"		"@sv"
+			}
+		}
+	}
+	
+	/* EntityFactoryDictionary function */
+	"#default"
+	{
+		"Signatures"
+		{
+			"EntityFactory"
+			{
+				"library"	"server"
+				"windows"	"\xB8\x01\x00\x00\x00\x84\x2A\x2A\x2A\x2A\x2A\x75\x1D\x09\x2A\x2A\x2A\x2A\x2A\xB9\x2A\x2A\x2A\x2A\xE8\x2A\x2A\x2A\x2A\x68\x2A\x2A\x2A\x2A\xE8\x2A\x2A\x2A\x2A\x83\xC4\x04\xB8\x2A\x2A\x2A\x2A\xC3"
+				"linux"		"@_Z23EntityFactoryDictionaryv"
+			}
+		}
+	}
+
+	/* CBaseEntityOutput::FireOutput */
+	"#default"
+	{
+		"#supported"
+		{
+			"game"		"left4dead2"
+		}
+		"Signatures"
+		{
+			"FireOutput"
+			{
+				"library"	"server"
+				"windows"	"\x81\xEC\x1C\x01\x00\x00\x53\x55\x56\x8B\x71\x14\x85\xF6"
+				"linux"		"@_ZN17CBaseEntityOutput10FireOutputE9variant_tP11CBaseEntityS2_f"
+			}
+		}
+		"Offsets"
+		{
+			"FireOutputBackup"
+			{
+				"windows"	"6"
+				"linux"		"10"
+			}
+		}
+	}
+	
+	/* SetUserInfo data */
+	"#default"
+	{
+		"Offsets"
+		{
+			/**
+			 * CBaseClient::SetUserCVar(char  const*,char  const*);
+			 * Linux offset straight from VTable dump.
+			 * Windows offset is crazy. Found the windows SetName function using string "(%d)%-.*s" (aD_S in IDA)
+			 * Cross referenced back to the vtable and counted manually (SetUserCvar is 1 higher, offsets start from 1)
+			 */
+			"SetUserCvar"
+			{
+				/* Not 100% sure on this, why would windows change and not linux - TEST ME */
+				"windows"	"18"
+				"linux"		"63"
+			}
+			/**
+			 * Offset into CBaseClient - Used by CBaseServer::UpdateUserSettings to determine when changes have been made.
+			 * Find CBaseClient::UpdateUserSettings (strings "net_maxroutable", "cl_updaterate" etc) and the offset is set to 0 near the end.
+			 * Linux: 	mov     byte ptr [esi+0B0h], 0
+			 * Win:		mov     byte ptr [esi+0B0h], 0
+			 *
+			 * L4D2: This has been moved into CBaseClient::UpdateUserSettings(), rest of the details are still relevant.
+			 */
+			"InfoChanged"
+			{
+				"windows"	"176"
+				"linux"		"176"
+			}
+		}
+	}
+	
+	/* Left 4 Dead */
+	"left4dead"
+	{
+		"Offsets"
+		{
+			"GiveNamedItem"
+			{
+				"windows"	"505"
+				"linux"		"506"
+			}
+			"RemovePlayerItem"
+			{
+				"windows"	"288"
+				"linux"		"289"
+			}
+			"Weapon_GetSlot"
+			{
+				"windows"	"286"
+				"linux"		"287"
+			}
+			"Ignite"
+			{
+				"windows"	"221"
+				"linux"		"222"
+			}
+			"Extinguish"
+			{
+				"windows"	"224"
+				"linux"		"225"
+			}
+			"Teleport"
+			{
+				"windows"	"117"
+				"linux"		"118"
+			}
+			"CommitSuicide"
+			{
+				"windows"	"473"
+				"linux"		"473"
+			}
+			"GetVelocity"
+			{
+				"windows"	"149"
+				"linux"		"150"
+			}
+			"EyeAngles"
+			{
+				"windows"	"140"
+				"linux"		"141"
+			}
+			"AcceptInput"
+			{
+				"windows"	"43"
+				"linux"		"44"
+			}
+			"DispatchKeyValue"
+			{
+				"windows"	"33"
+				"linux"		"32"
+			}
+			"DispatchKeyValueFloat"
+			{
+				"windows"	"32"
+				"linux"		"33"
+			}
+			"DispatchKeyValueVector"
+			{
+				"windows"	"31"
+				"linux"		"34"
+			}
+			"SetEntityModel"
+			{
+				"windows"	"26"
+				"linux"		"27"
+			}
+			"WeaponEquip"
+			{
+				"windows"	"279"
+				"linux"		"280"
+			}
+			"Activate"
+			{
+				"windows"	"35"
+				"linux"		"36"
+			}
+			"PlayerRunCmd"
+			{
+				"windows"	"451"
+				"linux"		"452"
+			}
+		}
+	}
+}
diff --git a/gamedata/sdktools.games/master.games.txt b/gamedata/sdktools.games/master.games.txt
index bbf79bf1..6d2458bb 100644
--- a/gamedata/sdktools.games/master.games.txt
+++ b/gamedata/sdktools.games/master.games.txt
@@ -20,6 +20,11 @@
 		"engine"	"left4dead"
 	}
 	
+	"engine.l4d2.txt"
+	{
+		"engine"	"left4dead2"
+	}
+	
 	"engine.ep2.txt"
 	{
 		"engine"	"orangebox"