diff --git a/core/ChatTriggers.cpp b/core/ChatTriggers.cpp
index 9c72b000..42f4607b 100644
--- a/core/ChatTriggers.cpp
+++ b/core/ChatTriggers.cpp
@@ -283,7 +283,11 @@ void ChatTriggers::OnSayCommand_Post()
 		/* Execute the cached command */
 		int client = g_ConCmds.GetCommandClient();
 		unsigned int old = SetReplyTo(SM_REPLY_CHAT);
+#if SOURCE_ENGINE == SE_DOTA
+		engine->ClientCommand(PEntityOfEntIndex(client), "%s", m_ToExecute);
+#else
 		serverpluginhelpers->ClientCommand(PEntityOfEntIndex(client), m_ToExecute);
+#endif
 		SetReplyTo(old);
 	}
 }
diff --git a/core/ConVarManager.cpp b/core/ConVarManager.cpp
index eaca606b..07414884 100644
--- a/core/ConVarManager.cpp
+++ b/core/ConVarManager.cpp
@@ -614,10 +614,12 @@ QueryCvarCookie_t ConVarManager::QueryClientConVar(edict_t *pPlayer, const char
 	{
 		cookie = engine->StartQueryCvarValue(pPlayer, name);	
 	}
+#if SOURCE_ENGINE != SE_DOTA
 	else if (m_bIsVSPQueryHooked)
 	{
 		cookie = serverpluginhelpers->StartQueryCvarValue(pPlayer, name);
 	}
+#endif
 	else
 	{
 		return InvalidQueryCvarCookie;
diff --git a/core/HalfLife2.cpp b/core/HalfLife2.cpp
index 73ad7d0d..fedd3e0b 100644
--- a/core/HalfLife2.cpp
+++ b/core/HalfLife2.cpp
@@ -733,7 +733,11 @@ void CHalfLife2::ProcessFakeCliCmdQueue()
 		if (g_Players.GetClientOfUserId(pFake->userid) == pFake->client)
 		{
 			CPlayer *pPlayer = g_Players.GetPlayerByIndex(pFake->client);
+#if SOURCE_ENGINE == SE_DOTA
+			engine->ClientCommand(pPlayer->GetEdict(), "%s", pFake->cmd.c_str());
+#else
 			serverpluginhelpers->ClientCommand(pPlayer->GetEdict(), pFake->cmd.c_str());
+#endif
 		}
 
 		m_CmdQueue.pop();
diff --git a/core/MenuStyle_Valve.cpp b/core/MenuStyle_Valve.cpp
index 0b6767eb..97e551d9 100644
--- a/core/MenuStyle_Valve.cpp
+++ b/core/MenuStyle_Valve.cpp
@@ -65,16 +65,20 @@ bool ValveMenuStyle::OnClientCommand(int client, const char *cmdname, const CCom
 
 void ValveMenuStyle::OnSourceModAllInitialized()
 {
+#if SOURCE_ENGINE != SE_DOTA
 	g_Players.AddClientListener(this);
 	SH_ADD_HOOK(IServerPluginHelpers, CreateMessage, serverpluginhelpers, SH_MEMBER(this, &ValveMenuStyle::HookCreateMessage), false);
 	g_pSPHCC = SH_GET_CALLCLASS(serverpluginhelpers);
+#endif
 }
 
 void ValveMenuStyle::OnSourceModShutdown()
 {
+#if SOURCE_ENGINE != SE_DOTA
 	SH_RELEASE_CALLCLASS(g_pSPHCC);
 	SH_REMOVE_HOOK(IServerPluginHelpers, CreateMessage, serverpluginhelpers, SH_MEMBER(this, &ValveMenuStyle::HookCreateMessage), false);
 	g_Players.RemoveClientListener(this);
+#endif
 }
 
 void ValveMenuStyle::HookCreateMessage(edict_t *pEdict,
diff --git a/core/smn_console.cpp b/core/smn_console.cpp
index cc2afd99..e8bd6f76 100644
--- a/core/smn_console.cpp
+++ b/core/smn_console.cpp
@@ -1105,7 +1105,11 @@ static cell_t FakeClientCommand(IPluginContext *pContext, const cell_t *params)
 		return 0;
 	}
 
+#if SOURCE_ENGINE == SE_DOTA
+	engine->ClientCommand(pPlayer->GetEdict(), "%s", buffer);
+#else
 	serverpluginhelpers->ClientCommand(pPlayer->GetEdict(), buffer);
+#endif
 
 	return 1;
 }
diff --git a/core/smn_halflife.cpp b/core/smn_halflife.cpp
index 96ad9d46..ec6c1d14 100644
--- a/core/smn_halflife.cpp
+++ b/core/smn_halflife.cpp
@@ -254,6 +254,9 @@ static cell_t IsSoundPrecached(IPluginContext *pContext, const cell_t *params)
 
 static cell_t smn_CreateDialog(IPluginContext *pContext, const cell_t *params)
 {
+#if SOURCE_ENGINE == SE_DOTA
+	return pContext->ThrowNativeError("CreateDialog is not supported on this game");
+#else
 	KeyValues *pKV;
 	HandleError herr;
 	Handle_t hndl = static_cast<Handle_t>(params[2]);
@@ -281,6 +284,7 @@ static cell_t smn_CreateDialog(IPluginContext *pContext, const cell_t *params)
 		vsp_interface);
 
 	return 1;
+#endif // DOTA
 }
 
 static cell_t PrintToChat(IPluginContext *pContext, const cell_t *params)
diff --git a/core/sourcemm_api.cpp b/core/sourcemm_api.cpp
index 6a3b74d1..274f807b 100644
--- a/core/sourcemm_api.cpp
+++ b/core/sourcemm_api.cpp
@@ -69,7 +69,9 @@ bool SourceMod_Core::Load(PluginId id, ISmmAPI *ismm, char *error, size_t maxlen
 	GET_V_IFACE_CURRENT(GetEngineFactory, engrandom, IUniformRandomStream, VENGINE_SERVER_RANDOM_INTERFACE_VERSION);
 	GET_V_IFACE_CURRENT(GetFileSystemFactory, basefilesystem, IBaseFileSystem, BASEFILESYSTEM_INTERFACE_VERSION);
 	GET_V_IFACE_CURRENT(GetEngineFactory, enginesound, IEngineSound, IENGINESOUND_SERVER_INTERFACE_VERSION);
+#if SOURCE_ENGINE != SE_DOTA
 	GET_V_IFACE_CURRENT(GetEngineFactory, serverpluginhelpers, IServerPluginHelpers, INTERFACEVERSION_ISERVERPLUGINHELPERS);
+#endif
 
 	/* :TODO: Make this optional and... make it find earlier versions [?] */
 	GET_V_IFACE_CURRENT(GetServerFactory, playerinfo, IPlayerInfoManager, INTERFACEVERSION_PLAYERINFOMANAGER);
diff --git a/extensions/sdktools/extension.cpp b/extensions/sdktools/extension.cpp
index 655dd682..3e5e2027 100644
--- a/extensions/sdktools/extension.cpp
+++ b/extensions/sdktools/extension.cpp
@@ -247,7 +247,9 @@ bool SDKTools::SDK_OnMetamodLoad(ISmmAPI *ismm, char *error, size_t maxlen, bool
 	GET_V_IFACE_ANY(GetEngineFactory, engsound, IEngineSound, IENGINESOUND_SERVER_INTERFACE_VERSION);
 	GET_V_IFACE_ANY(GetEngineFactory, enginetrace, IEngineTrace, INTERFACEVERSION_ENGINETRACE_SERVER);
 	GET_V_IFACE_ANY(GetEngineFactory, netstringtables, INetworkStringTableContainer, INTERFACENAME_NETWORKSTRINGTABLESERVER);
+#if SOURCE_ENGINE != SE_DOTA
 	GET_V_IFACE_ANY(GetEngineFactory, pluginhelpers, IServerPluginHelpers, INTERFACEVERSION_ISERVERPLUGINHELPERS);
+#endif
 	GET_V_IFACE_ANY(GetServerFactory, serverClients, IServerGameClients, INTERFACEVERSION_SERVERGAMECLIENTS);
 	GET_V_IFACE_ANY(GetEngineFactory, voiceserver, IVoiceServer, INTERFACEVERSION_VOICESERVER);
 	GET_V_IFACE_ANY(GetServerFactory, playerinfomngr, IPlayerInfoManager, INTERFACEVERSION_PLAYERINFOMANAGER);
diff --git a/extensions/sdktools/vnatives.cpp b/extensions/sdktools/vnatives.cpp
index 1e66715b..6a947760 100644
--- a/extensions/sdktools/vnatives.cpp
+++ b/extensions/sdktools/vnatives.cpp
@@ -565,7 +565,11 @@ static cell_t SlapPlayer(IPluginContext *pContext, const cell_t *params)
 	/* Force suicide */
 	if (should_slay)
 	{
+#if SOURCE_ENGINE == SE_DOTA
+		engine->ClientCommand(pEdict, "kill\n");
+#else
 		pluginhelpers->ClientCommand(pEdict, "kill\n");
+#endif
 	}
 
 	if (s_frag_offs > 0)