diff --git a/AMBuildScript b/AMBuildScript
index 16f9ce8..cba9504 100644
--- a/AMBuildScript
+++ b/AMBuildScript
@@ -37,6 +37,11 @@ Source2 = {
   'windows': ['x86', 'x86_64'],
   'linux': ['x86_64'],
 }
+Mock = {
+  'windows': ['x86', 'x86_64'],
+  'linux': ['x86', 'x86_64'],
+  'mac': ['x86_64']
+}
 
 PossibleSDKs = {
   'episode1':  SDK('HL2SDK', '2.ep1', '1', 'EPISODEONE', WinLinux, 'episode1'),
@@ -61,6 +66,7 @@ PossibleSDKs = {
   'doi':  SDK('HL2SDKDOI', '2.doi', '20', 'DOI', WinLinuxMac, 'doi'),
   'contagion':  SDK('HL2SDKCONTAGION', '2.contagion', '14', 'CONTAGION', WinOnly, 'contagion'),
   'bms':  SDK('HL2SDKBMS', '2.bms', '10', 'BMS', WinLinux, 'bms'),
+  'mock': SDK('HL2SDK-MOCK', '2.mock', '999', 'MOCK', Mock, 'mock'),
 }
 
 def ResolveEnvPath(env, folder):
@@ -434,10 +440,13 @@ class MMSConfig(object):
         lib_folder = os.path.join(sdk.path, 'lib', 'mac')
 
     if compiler.target.platform in ['linux', 'mac']:
-      if sdk.name in ['sdk2013', 'bms'] or compiler.target.arch == 'x86_64':
-        compiler.postlink += [os.path.join(lib_folder, 'tier1.a')]
+      if sdk.name in ['sdk2013', 'bms', 'mock'] or compiler.target.arch == 'x86_64':
+        tier1 = os.path.join(lib_folder, 'tier1.a')
       else:
-        compiler.postlink += [os.path.join(lib_folder, 'tier1_i486.a')]
+        tier1 = os.path.join(lib_folder, 'tier1_i486.a')
+      if sdk.name == 'mock' and compiler.target.platform == 'linux':
+        compiler.linkflags += ['-Wl,-z,origin']
+      compiler.postlink += [tier1]
 
       if sdk.name in ['blade', 'insurgency', 'doi', 'csgo', 'dota']:
         if compiler.target.arch == 'x86_64':
@@ -456,7 +465,7 @@ class MMSConfig(object):
       compiler.linkflags[0:0] = ['-lm']
       if sdk.name in ['css', 'hl2dm', 'dods', 'tf2', 'sdk2013', 'bms', 'nucleardawn', 'l4d2', 'insurgency', 'doi']:
         dynamic_libs = ['libtier0_srv.so', 'libvstdlib_srv.so']
-      elif compiler.target.arch == 'x86_64' and sdk.name in ['csgo', 'blade']:
+      elif compiler.target.arch == 'x86_64' and sdk.name in ['csgo', 'blade', 'mock']:
         dynamic_libs = ['libtier0_client.so', 'libvstdlib_client.so']
       elif sdk.name in ['l4d', 'blade', 'insurgency', 'doi', 'csgo', 'dota']:
         dynamic_libs = ['libtier0.so', 'libvstdlib.so']
diff --git a/core/ISmmPluginExt.h b/core/ISmmPluginExt.h
index 9cb4b8c..bc27e98 100644
--- a/core/ISmmPluginExt.h
+++ b/core/ISmmPluginExt.h
@@ -60,6 +60,7 @@
 #define SOURCE_ENGINE_CONTAGION			22				/**< Contagion */
 #define SOURCE_ENGINE_BMS				23				/**< Black Mesa Multiplayer */
 #define SOURCE_ENGINE_DOI				24				/**< Day of Infamy */
+#define SOURCE_ENGINE_MOCK				999				/**< Mock source engine */
 
 #define METAMOD_PLAPI_VERSION			16				/**< Version of this header file */
 #define METAMOD_PLAPI_NAME				"ISmmPlugin"	/**< Name of the plugin interface */
diff --git a/core/provider/provider_ep2.cpp b/core/provider/provider_ep2.cpp
index ec67f3e..b2a3684 100644
--- a/core/provider/provider_ep2.cpp
+++ b/core/provider/provider_ep2.cpp
@@ -540,6 +540,8 @@ int BaseProvider::DetermineSourceEngine()
 	return SOURCE_ENGINE_BMS;
 #elif SOURCE_ENGINE == SE_EPISODEONE
 	return g_bOriginalEngine ? SOURCE_ENGINE_ORIGINAL : SOURCE_ENGINE_EPISODEONE;
+#elif SOURCE_ENGINE == SE_MOCK
+	return SOURCE_ENGINE_MOCK;
 #else
 #error "SOURCE_ENGINE not defined to a known value"
 #endif
@@ -671,6 +673,8 @@ const char *BaseProvider::GetEngineDescription() const
 	{
 		return "Episode 1 (2004)";
 	}
+#elif SOURCE_ENGINE == SE_MOCK
+	return "Mock";
 #else
 #error "SOURCE_ENGINE not defined to a known value"
 #endif
diff --git a/loader/loader.cpp b/loader/loader.cpp
index 9f277da..4918709 100644
--- a/loader/loader.cpp
+++ b/loader/loader.cpp
@@ -91,6 +91,7 @@ static const char *backend_names[] =
 	"2.contagion",
 	"2.bms",
 	"2.doi",
+	"2.mock",
 };
 
 #if defined _WIN32
@@ -425,6 +426,10 @@ mm_DetermineBackend(QueryValveInterface engineFactory, QueryValveInterface serve
 					{
 						return MMBackend_HL2DM;
 					}
+					else if (strcmp(game_name, ".") == 0 && engineFactory("MOCK_ENGINE", NULL))
+					{
+						return MMBackend_Mock;
+					}
 					else
 					{
 						return MMBackend_SDK2013;
diff --git a/loader/loader.h b/loader/loader.h
index ca2e01d..5e7b99e 100644
--- a/loader/loader.h
+++ b/loader/loader.h
@@ -104,6 +104,7 @@ enum MetamodBackend
 	MMBackend_BMS,
 	MMBackend_DOI,
 
+	MMBackend_Mock,
 	MMBackend_UNKNOWN
 };
 
diff --git a/loader/serverplugin.cpp b/loader/serverplugin.cpp
index 9daff26..4d5cba2 100644
--- a/loader/serverplugin.cpp
+++ b/loader/serverplugin.cpp
@@ -91,6 +91,8 @@ public:
 			mm_GetGameName(game_name, sizeof(game_name));
 
 			mm_backend = mm_DetermineBackend(engineFactory, gsFactory, game_name);
+			if (mm_backend == MMBackend_Mock)
+				strcpy(game_name, "mock");
 		}
 
 		if (mm_backend == MMBackend_UNKNOWN)