diff --git a/core/HalfLife2.cpp b/core/HalfLife2.cpp
index fedd3e0b..64aedf78 100644
--- a/core/HalfLife2.cpp
+++ b/core/HalfLife2.cpp
@@ -42,7 +42,9 @@
 #include "logic_bridge.h"
 #include <tier0/mem.h>
 
-#if SOURCE_ENGINE == SE_CSGO
+#if SOURCE_ENGINE == SE_DOTA
+#include <game/shared/protobuf/usermessages.pb.h>
+#elif SOURCE_ENGINE == SE_CSGO
 #include <cstrike15_usermessages.pb.h>
 #endif
 
@@ -512,7 +514,7 @@ void CHalfLife2::SetEdictStateChanged(edict_t *pEdict, unsigned short offset)
 
 bool CHalfLife2::TextMsg(int client, int dest, const char *msg)
 {
-#if SOURCE_ENGINE != SE_CSGO
+#ifndef USE_PROTOBUF_USERMESSAGES
 	bf_write *pBitBuf = NULL;
 #endif
 	cell_t players[] = {client};
@@ -527,7 +529,17 @@ bool CHalfLife2::TextMsg(int client, int dest, const char *msg)
 			char buffer[192];
 			UTIL_Format(buffer, sizeof(buffer), "%s\1\n", msg);
 
-#if SOURCE_ENGINE == SE_CSGO
+#if SOURCE_ENGINE == SE_DOTA
+			CUserMsg_SayText *pMsg;
+			if ((pMsg = (CUserMsg_SayText *)g_UserMsgs.StartProtobufMessage(m_SayTextMsg, players, 1, USERMSG_RELIABLE)) == NULL)
+			{
+				return false;
+			}
+
+			pMsg->set_client(0);
+			pMsg->set_text(buffer);
+			pMsg->set_chat(false);
+#elif SOURCE_ENGINE == SE_CSGO
 			CCSUsrMsg_SayText *pMsg;
 			if ((pMsg = (CCSUsrMsg_SayText *)g_UserMsgs.StartProtobufMessage(m_SayTextMsg, players, 1, USERMSG_RELIABLE)) == NULL)
 			{
@@ -554,7 +566,20 @@ bool CHalfLife2::TextMsg(int client, int dest, const char *msg)
 		}
 	}
 
-#if SOURCE_ENGINE == SE_CSGO
+#if SOURCE_ENGINE == SE_DOTA
+	CUserMsg_TextMsg *pMsg;
+	if ((pMsg = (CUserMsg_TextMsg *)g_UserMsgs.StartProtobufMessage(m_MsgTextMsg, players, 1, USERMSG_RELIABLE)) == NULL)
+	{
+		return false;
+	}
+
+	pMsg->set_dest(dest);
+	pMsg->add_param(msg);
+	pMsg->add_param("");
+	pMsg->add_param("");
+	pMsg->add_param("");
+	pMsg->add_param("");
+#elif SOURCE_ENGINE == SE_CSGO
 	CCSUsrMsg_TextMsg *pMsg;
 	if ((pMsg = (CCSUsrMsg_TextMsg *)g_UserMsgs.StartProtobufMessage(m_MsgTextMsg, players, 1, USERMSG_RELIABLE)) == NULL)
 	{
@@ -587,7 +612,15 @@ bool CHalfLife2::HintTextMsg(int client, const char *msg)
 {
 	cell_t players[] = {client};
 
-#if SOURCE_ENGINE == SE_CSGO
+#if SOURCE_ENGINE == SE_DOTA
+	CUserMsg_HintText *pMsg;
+	if ((pMsg = (CUserMsg_HintText *)g_UserMsgs.StartProtobufMessage(m_HinTextMsg, players, 1, USERMSG_RELIABLE)) == NULL)
+	{
+		return false;
+	}
+
+	pMsg->set_message(msg);
+#elif SOURCE_ENGINE == SE_CSGO
 	CCSUsrMsg_HintText *pMsg;
 	if ((pMsg = (CCSUsrMsg_HintText *)g_UserMsgs.StartProtobufMessage(m_HinTextMsg, players, 1, USERMSG_RELIABLE)) == NULL)
 	{
@@ -617,7 +650,15 @@ bool CHalfLife2::HintTextMsg(int client, const char *msg)
 
 bool CHalfLife2::HintTextMsg(cell_t *players, int count, const char *msg)
 {
-#if SOURCE_ENGINE == SE_CSGO
+#if SOURCE_ENGINE == SE_DOTA
+	CUserMsg_HintText *pMsg;
+	if ((pMsg = (CUserMsg_HintText *)g_UserMsgs.StartProtobufMessage(m_HinTextMsg, players, count, USERMSG_RELIABLE)) == NULL)
+	{
+		return false;
+	}
+
+	pMsg->set_message(msg);
+#elif SOURCE_ENGINE == SE_CSGO
 	CCSUsrMsg_HintText *pMsg;
 	if ((pMsg = (CCSUsrMsg_HintText *)g_UserMsgs.StartProtobufMessage(m_HinTextMsg, players, count, USERMSG_RELIABLE)) == NULL)
 	{
@@ -652,7 +693,13 @@ bool CHalfLife2::ShowVGUIMenu(int client, const char *name, KeyValues *data, boo
 	int count = 0;
 	cell_t players[] = {client};
 
-#if SOURCE_ENGINE == SE_CSGO
+#if SOURCE_ENGINE == SE_DOTA
+	CUserMsg_VGUIMenu *pMsg;
+	if ((pMsg = (CUserMsg_VGUIMenu *)g_UserMsgs.StartProtobufMessage(m_VGUIMenu, players, 1, USERMSG_RELIABLE)) == NULL)
+	{
+		return false;
+	}
+#elif SOURCE_ENGINE == SE_CSGO
 	CCSUsrMsg_VGUIMenu *pMsg;
 	if ((pMsg = (CCSUsrMsg_VGUIMenu *)g_UserMsgs.StartProtobufMessage(m_VGUIMenu, players, 1, USERMSG_RELIABLE)) == NULL)
 	{
@@ -677,7 +724,18 @@ bool CHalfLife2::ShowVGUIMenu(int client, const char *name, KeyValues *data, boo
 		SubKey = data->GetFirstSubKey();
 	}
 
-#if SOURCE_ENGINE == SE_CSGO
+#if SOURCE_ENGINE == SE_DOTA
+	pMsg->set_name(name);
+	pMsg->set_show(show);
+
+	while (SubKey)
+	{
+		CUserMsg_VGUIMenu_Keys *key = pMsg->add_keys();
+		key->set_name(SubKey->GetName());
+		key->set_value(SubKey->GetString());
+		SubKey = SubKey->GetNextKey();
+	}
+#elif SOURCE_ENGINE == SE_CSGO
 	pMsg->set_name(name);
 	pMsg->set_show(show);
 
diff --git a/core/MenuStyle_Radio.cpp b/core/MenuStyle_Radio.cpp
index bbfb1576..0170fc99 100644
--- a/core/MenuStyle_Radio.cpp
+++ b/core/MenuStyle_Radio.cpp
@@ -138,7 +138,11 @@ void CRadioStyle::OnSourceModShutdown()
 
 bool CRadioStyle::IsSupported()
 {
+#if SOURCE_ENGINE == SE_DOTA
+	return false;
+#else
 	return (g_ShowMenuId != -1);
+#endif
 }
 
 bool CRadioStyle::OnClientCommand(int client, const char *cmdname, const CCommand &cmd)
@@ -169,6 +173,7 @@ void CRadioStyle::OnUserMessage(int msg_id, protobuf::Message &msg, IRecipientFi
 void CRadioStyle::OnUserMessage(int msg_id, bf_write *bf, IRecipientFilter *pFilter)
 #endif
 {
+#if SOURCE_ENGINE != SE_DOTA
 	int count = pFilter->GetRecipientCount();
 
 #ifdef USE_PROTOBUF_USERMESSAGES
@@ -186,6 +191,7 @@ void CRadioStyle::OnUserMessage(int msg_id, bf_write *bf, IRecipientFilter *pFil
 	{
 		g_last_clients[g_last_client_count++] = pFilter->GetRecipientIndex(i);
 	}
+#endif
 }
 
 void CRadioStyle::OnUserMessageSent(int msg_id)
@@ -473,6 +479,7 @@ void CRadioMenuPlayer::Radio_Init(int keys, const char *title, const char *text)
 
 void CRadioMenuPlayer::Radio_Refresh()
 {
+#if SOURCE_ENGINE != SE_DOTA
 	cell_t players[1] = {m_index};
 	char *ptr = display_pkt;
 	char save = 0;
@@ -526,6 +533,7 @@ void CRadioMenuPlayer::Radio_Refresh()
 #endif
 
 	display_last_refresh = gpGlobals->curtime;
+#endif // !DOTA
 }
 
 int CRadioDisplay::GetAmountRemaining()
diff --git a/core/UserMessagePBHelpers.h b/core/UserMessagePBHelpers.h
index 068d77bc..382fa3dd 100644
--- a/core/UserMessagePBHelpers.h
+++ b/core/UserMessagePBHelpers.h
@@ -675,6 +675,9 @@ public:
 
 	inline bool GetColor(const char *pszFieldName, Color *out)
 	{
+#if SOURCE_ENGINE != SE_CSGO
+		return false;
+#else
 		GETCHECK_FIELD();
 		CHECK_FIELD_TYPE(MESSAGE);
 		CHECK_FIELD_NOT_REPEATED();
@@ -688,10 +691,14 @@ public:
 			);
 
 		return true;
+#endif
 	}
 
 	inline bool SetColor(const char *pszFieldName, const Color &value)
 	{
+#if SOURCE_ENGINE != SE_CSGO
+		return false;
+#else
 		GETCHECK_FIELD();
 		CHECK_FIELD_TYPE(MESSAGE);
 		CHECK_FIELD_NOT_REPEATED();
@@ -703,10 +710,14 @@ public:
 		msgRGBA->set_a(value.a());
 
 		return true;
+#endif
 	}
 
 	inline bool GetRepeatedColor(const char *pszFieldName, int index, Color *out)
 	{
+#if SOURCE_ENGINE != SE_CSGO
+		return false;
+#else
 		GETCHECK_FIELD();
 		CHECK_FIELD_TYPE(MESSAGE);
 		CHECK_FIELD_REPEATED();
@@ -721,10 +732,14 @@ public:
 			);
 
 		return true;
+#endif
 	}
 
 	inline bool SetRepeatedColor(const char *pszFieldName, int index, const Color &value)
 	{
+#if SOURCE_ENGINE != SE_CSGO
+		return false;
+#else
 		GETCHECK_FIELD();
 		CHECK_FIELD_TYPE(MESSAGE);
 		CHECK_FIELD_REPEATED();
@@ -737,10 +752,14 @@ public:
 		msgRGBA->set_a(value.a());
 
 		return true;
+#endif
 	}
 
 	inline bool AddColor(const char *pszFieldName, const Color &value)
 	{
+#if SOURCE_ENGINE != SE_CSGO
+		return false;
+#else
 		GETCHECK_FIELD();
 		CHECK_FIELD_TYPE(MESSAGE);
 		CHECK_FIELD_REPEATED();
@@ -752,6 +771,7 @@ public:
 		msgRGBA->set_a(value.a());
 
 		return true;
+#endif
 	}
 
 	inline bool GetVector2D(const char *pszFieldName, Vector2D *out)
diff --git a/core/UserMessages.cpp b/core/UserMessages.cpp
index 490555da..2b797e4b 100644
--- a/core/UserMessages.cpp
+++ b/core/UserMessages.cpp
@@ -32,13 +32,15 @@
 #include "UserMessages.h"
 #include "sm_stringutil.h"
 
-#if SOURCE_ENGINE == SE_CSGO
+#if SOURCE_ENGINE == SE_DOTA
+#include <dota_usermessage_helpers.h>
+#elif SOURCE_ENGINE == SE_CSGO
 #include <cstrike15_usermessage_helpers.h>
 #endif
 
 UserMessages g_UserMsgs;
 
-#if SOURCE_ENGINE == SE_CSGO
+#if SOURCE_ENGINE == SE_CSGO || SOURCE_ENGINE == SE_DOTA
 SH_DECL_HOOK3_void(IVEngineServer, SendUserMessage, SH_NOATTRIB, 0, IRecipientFilter &, int, const protobuf::Message &);
 #else
 #if SOURCE_ENGINE >= SE_LEFT4DEAD
@@ -96,7 +98,7 @@ void UserMessages::OnSourceModAllShutdown()
 {
 	if (m_HookCount)
 	{
-#if SOURCE_ENGINE == SE_CSGO
+#if SOURCE_ENGINE == SE_CSGO || SOURCE_ENGINE == SE_DOTA
 		SH_REMOVE_HOOK(IVEngineServer, SendUserMessage, engine, SH_MEMBER(this, &UserMessages::OnSendUserMessage_Pre), false);
 		SH_REMOVE_HOOK(IVEngineServer, SendUserMessage, engine, SH_MEMBER(this, &UserMessages::OnSendUserMessage_Post), true);
 #else
@@ -111,7 +113,10 @@ void UserMessages::OnSourceModAllShutdown()
 
 int UserMessages::GetMessageIndex(const char *msg)
 {
-#if SOURCE_ENGINE == SE_CSGO
+#if SOURCE_ENGINE == SE_DOTA
+	// Can split this per engine and/or game later
+	return g_DotaUsermessageHelpers.GetIndex(msg);
+#elif SOURCE_ENGINE == SE_CSGO
 	// Can split this per engine and/or game later
 	return g_Cstrike15UsermessageHelpers.GetIndex(msg);
 #else
@@ -150,8 +155,12 @@ int UserMessages::GetMessageIndex(const char *msg)
 
 bool UserMessages::GetMessageName(int msgid, char *buffer, size_t maxlength) const
 {
-#if SOURCE_ENGINE == SE_CSGO
+#ifdef USE_PROTOBUF_USERMESSAGES
+#if SOURCE_ENGINE == SE_DOTA
+	const char *pszName = g_DotaUsermessageHelpers.GetName(msgid);
+#elif SOURCE_ENGINE == SE_CSGO
 	const char *pszName = g_Cstrike15UsermessageHelpers.GetName(msgid);
+#endif
 	if (!pszName)
 		return false;
 
@@ -259,7 +268,7 @@ google::protobuf::Message *UserMessages::StartProtobufMessage(int msg_id, const
 	if (m_CurFlags & USERMSG_BLOCKHOOKS)
 	{
 		// direct message creation, return buffer "from engine". keep track
-		m_FakeEngineBuffer = g_Cstrike15UsermessageHelpers.GetPrototype(msg_id)->New();
+		m_FakeEngineBuffer = GetMessagePrototype(msg_id)->New();
 		buffer = m_FakeEngineBuffer;
 	} else {
 		char messageName[32];
@@ -274,12 +283,12 @@ google::protobuf::Message *UserMessages::StartProtobufMessage(int msg_id, const
 		{
 		case MRES_IGNORED:
 		case MRES_HANDLED:
-			m_FakeEngineBuffer = g_Cstrike15UsermessageHelpers.GetPrototype(msg_id)->New();
+			m_FakeEngineBuffer = GetMessagePrototype(msg_id)->New();
 			buffer = m_FakeEngineBuffer;
 			break;		
 
 		case MRES_OVERRIDE:
-			m_FakeEngineBuffer = g_Cstrike15UsermessageHelpers.GetPrototype(msg_id)->New();
+			m_FakeEngineBuffer = GetMessagePrototype(msg_id)->New();
 		// fallthrough
 		case MRES_SUPERCEDE:
 			buffer = msg;
@@ -300,7 +309,7 @@ bool UserMessages::EndMessage()
 		return false;
 	}
 
-#if SOURCE_ENGINE == SE_CSGO
+#if SOURCE_ENGINE == SE_CSGO || SOURCE_ENGINE == SE_DOTA
 	if (m_CurFlags & USERMSG_BLOCKHOOKS)
 	{
 		ENGINE_CALL(SendUserMessage)(static_cast<IRecipientFilter &>(m_CellRecFilter), m_CurId, *m_FakeEngineBuffer);
@@ -330,7 +339,7 @@ bool UserMessages::EndMessage()
 	} else {
 		engine->MessageEnd();
 	}
-#endif // SE_CSGO
+#endif // SE_CSGO || SE_DOTA
 
 	m_InExec = false;
 	m_CurFlags = 0;
@@ -415,7 +424,7 @@ bool UserMessages::InternalHook(int msg_id, IBitBufUserMessageListener *pListene
 
 	if (!m_HookCount++)
 	{
-#if SOURCE_ENGINE == SE_CSGO
+#if SOURCE_ENGINE == SE_CSGO || SOURCE_ENGINE == SE_DOTA
 		SH_ADD_HOOK(IVEngineServer, SendUserMessage, engine, SH_MEMBER(this, &UserMessages::OnSendUserMessage_Pre), false);
 		SH_ADD_HOOK(IVEngineServer, SendUserMessage, engine, SH_MEMBER(this, &UserMessages::OnSendUserMessage_Post), true);
 #else
@@ -436,6 +445,17 @@ bool UserMessages::InternalHook(int msg_id, IBitBufUserMessageListener *pListene
 	return true;
 }
 
+#ifdef USE_PROTOBUF_USERMESSAGES
+const protobuf::Message *GetMessagePrototype(int msg_type)
+{
+#if SOURCE_ENGINE == SE_DOTA
+	return g_DotaUsermessageHelpers.GetPrototype(msg_type);
+#elif SOURCE_ENGINE == SE_CSGO
+	return g_Cstrike15UsermessageHelpers.GetPrototype(msg_type);
+#endif
+}
+#endif
+
 #ifdef USE_PROTOBUF_USERMESSAGES
 bool UserMessages::InternalUnhook(int msg_id, IProtobufUserMessageListener *pListener, bool intercept, bool isNew)
 #else
@@ -481,7 +501,7 @@ void UserMessages::_DecRefCounter()
 {
 	if (--m_HookCount == 0)
 	{
-#if SOURCE_ENGINE == SE_CSGO
+#if SOURCE_ENGINE == SE_CSGO || SOURCE_ENGINE == SE_DOTA
 		SH_REMOVE_HOOK(IVEngineServer, SendUserMessage, engine, SH_MEMBER(this, &UserMessages::OnSendUserMessage_Pre), false);
 		SH_REMOVE_HOOK(IVEngineServer, SendUserMessage, engine, SH_MEMBER(this, &UserMessages::OnSendUserMessage_Post), true);
 #else
@@ -493,10 +513,14 @@ void UserMessages::_DecRefCounter()
 	}
 }
 
-#if SOURCE_ENGINE == SE_CSGO
+#if SOURCE_ENGINE == SE_CSGO || SOURCE_ENGINE == SE_DOTA
 void UserMessages::OnSendUserMessage_Pre(IRecipientFilter &filter, int msg_type, const protobuf::Message &msg)
 {
+#if SOURCE_ENGINE == SE_DOTA
+	OnStartMessage_Pre(&filter, msg_type, g_DotaUsermessageHelpers.GetName(msg_type));
+#elif SOURCE_ENGINE == SE_CSGO
 	OnStartMessage_Pre(&filter, msg_type, g_Cstrike15UsermessageHelpers.GetName(msg_type));
+#endif
 	if (m_FakeMetaRes == MRES_SUPERCEDE)
 	{
 		int size = msg.ByteSize();
@@ -509,7 +533,11 @@ void UserMessages::OnSendUserMessage_Pre(IRecipientFilter &filter, int msg_type,
 		m_FakeEngineBuffer = &const_cast<protobuf::Message &>(msg);
 	}
 
+#if SOURCE_ENGINE == SE_DOTA
+	OnStartMessage_Post(&filter, msg_type, g_DotaUsermessageHelpers.GetName(msg_type));
+#elif SOURCE_ENGINE == SE_CSGO
 	OnStartMessage_Post(&filter, msg_type, g_Cstrike15UsermessageHelpers.GetName(msg_type));
+#endif
 
 	OnMessageEnd_Pre();
 	if (m_FakeMetaRes == MRES_SUPERCEDE)
@@ -541,7 +569,7 @@ void UserMessages::OnSendUserMessage_Post(IRecipientFilter &filter, int msg_type
 	RETURN_META(res)
 #endif
 
-#if SOURCE_ENGINE == SE_CSGO
+#if SOURCE_ENGINE == SE_CSGO || SOURCE_ENGINE == SE_DOTA
 protobuf::Message *UserMessages::OnStartMessage_Pre(IRecipientFilter *filter, int msg_type, const char *msg_name)
 #elif SOURCE_ENGINE >= SE_LEFT4DEAD
 bf_write *UserMessages::OnStartMessage_Pre(IRecipientFilter *filter, int msg_type, const char *msg_name)
@@ -569,7 +597,8 @@ bf_write *UserMessages::OnStartMessage_Pre(IRecipientFilter *filter, int msg_typ
 #ifdef USE_PROTOBUF_USERMESSAGES
 		if (m_InterceptBuffer)
 			delete m_InterceptBuffer;
-		m_InterceptBuffer = g_Cstrike15UsermessageHelpers.GetPrototype(msg_type)->New();
+		m_InterceptBuffer = GetMessagePrototype(msg_type)->New();
+
 		UM_RETURN_META_VALUE(MRES_SUPERCEDE, m_InterceptBuffer);
 #else
 		m_InterceptBuffer.Reset();
@@ -580,7 +609,7 @@ bf_write *UserMessages::OnStartMessage_Pre(IRecipientFilter *filter, int msg_typ
 	UM_RETURN_META_VALUE(MRES_IGNORED, NULL);
 }
 
-#if SOURCE_ENGINE == SE_CSGO
+#if SOURCE_ENGINE == SE_CSGO || SOURCE_ENGINE == SE_DOTA
 protobuf::Message *UserMessages::OnStartMessage_Post(IRecipientFilter *filter, int msg_type, const char *msg_name)
 #elif SOURCE_ENGINE >= SE_LEFT4DEAD
 bf_write *UserMessages::OnStartMessage_Post(IRecipientFilter *filter, int msg_type, const char *msg_name)
@@ -745,7 +774,7 @@ void UserMessages::OnMessageEnd_Pre()
 
 	if (!handled && intercepted)
 	{
-#if SOURCE_ENGINE == SE_CSGO
+#if SOURCE_ENGINE == SE_CSGO || SOURCE_ENGINE == SE_DOTA
 		ENGINE_CALL(SendUserMessage)(static_cast<IRecipientFilter &>(*m_CurRecFilter), m_CurId, *m_InterceptBuffer);
 #else
 		bf_write *engine_bfw;
@@ -757,15 +786,16 @@ void UserMessages::OnMessageEnd_Pre()
 		m_ReadBuffer.StartReading(m_InterceptBuffer.GetBasePointer(), m_InterceptBuffer.GetNumBytesWritten());
 		engine_bfw->WriteBitsFromBuffer(&m_ReadBuffer, m_InterceptBuffer.GetNumBitsWritten());
 		ENGINE_CALL(MessageEnd)();
-#endif // SE_CSGO
+#endif // SE_CSGO || SE_DOTA
 	}
 
 	{
-#if SOURCE_ENGINE == SE_CSGO
+#if SOURCE_ENGINE == SE_CSGO || SOURCE_ENGINE == SE_DOTA
 		int size = m_OrigBuffer->ByteSize();
 		uint8 *data = (uint8 *)stackalloc(size);
 		m_OrigBuffer->SerializePartialToArray(data, size);
-		protobuf::Message *pTempMsg = g_Cstrike15UsermessageHelpers.GetPrototype(m_CurId)->New();
+
+		protobuf::Message *pTempMsg = GetMessagePrototype(m_CurId)->New();
 		pTempMsg->ParsePartialFromArray(data, size);
 #else
 		bf_write *pTempMsg = m_OrigBuffer;
@@ -790,7 +820,7 @@ void UserMessages::OnMessageEnd_Pre()
 			iter++;
 		}
 
-#if SOURCE_ENGINE == SE_CSGO
+#if SOURCE_ENGINE == SE_CSGO || SOURCE_ENGINE == SE_DOTA
 		delete pTempMsg;
 #endif
 	}
diff --git a/core/UserMessages.h b/core/UserMessages.h
index bd1caaf9..71b003e9 100644
--- a/core/UserMessages.h
+++ b/core/UserMessages.h
@@ -42,7 +42,7 @@
 using namespace SourceHook;
 using namespace SourceMod;
 
-#if SOURCE_ENGINE == SE_CSGO
+#if SOURCE_ENGINE == SE_CSGO || SOURCE_ENGINE == SE_DOTA
 #define USE_PROTOBUF_USERMESSAGES
 #endif
 
@@ -100,12 +100,12 @@ public: //IUserMessages
 		bool intercept=false);
 	UserMessageType GetUserMessageType() const;
 public:
-#if SOURCE_ENGINE == SE_CSGO
+#if SOURCE_ENGINE == SE_CSGO || SOURCE_ENGINE == SE_DOTA
 	void OnSendUserMessage_Pre(IRecipientFilter &filter, int msg_type, const protobuf::Message &msg);
 	void OnSendUserMessage_Post(IRecipientFilter &filter, int msg_type, const protobuf::Message &msg);
 #endif
 
-#if SOURCE_ENGINE == SE_CSGO
+#if SOURCE_ENGINE == SE_CSGO || SOURCE_ENGINE == SE_DOTA
 	protobuf::Message *OnStartMessage_Pre(IRecipientFilter *filter, int msg_type, const char *msg_name);
 	protobuf::Message *OnStartMessage_Post(IRecipientFilter *filter, int msg_type, const char *msg_name);
 #elif SOURCE_ENGINE >= SE_LEFT4DEAD
@@ -119,6 +119,7 @@ public:
 	void OnMessageEnd_Post();
 private:
 #ifdef USE_PROTOBUF_USERMESSAGES
+	const protobuf::Message *GetMessagePrototype(int msg_type);
 	bool InternalHook(int msg_id, IProtobufUserMessageListener *pListener, bool intercept, bool isNew);
 	bool InternalUnhook(int msg_id, IProtobufUserMessageListener *pListener, bool intercept, bool isNew);
 #else
diff --git a/core/smn_console.cpp b/core/smn_console.cpp
index e8bd6f76..33ac781d 100644
--- a/core/smn_console.cpp
+++ b/core/smn_console.cpp
@@ -48,7 +48,7 @@
 #include "ConsoleDetours.h"
 #include "ConCommandBaseIterator.h"
 
-#if SOURCE_ENGINE == SE_CSGO
+#if SOURCE_ENGINE == SE_CSGO || SOURCE_ENGINE == SE_DOTA
 #include <netmessages.pb.h>
 #endif
 
@@ -1435,7 +1435,7 @@ static cell_t SendConVarValue(IPluginContext *pContext, const cell_t *params)
 	char data[256];
 	bf_write buffer(data, sizeof(data));
 
-#if SOURCE_ENGINE == SE_CSGO
+#if SOURCE_ENGINE == SE_CSGO || SOURCE_ENGINE == SE_DOTA
 	CNETMsg_SetConVar msg;
 	CMsg_CVars_CVar *cvar = msg.mutable_convars()->add_cvars();
 
diff --git a/core/smn_hudtext.cpp b/core/smn_hudtext.cpp
index 37b034e6..8aba07a2 100644
--- a/core/smn_hudtext.cpp
+++ b/core/smn_hudtext.cpp
@@ -37,7 +37,9 @@
 #include "HandleSys.h"
 #include "logic_bridge.h"
 
-#if SOURCE_ENGINE == SE_CSGO
+#if SOURCE_ENGINE == SE_DOTA
+#include <game/shared/protobuf/usermessages.pb.h>
+#elif SOURCE_ENGINE == SE_CSGO
 #include <game/shared/csgo/protobuf/cstrike15_usermessages.pb.h>
 #endif
 
@@ -316,8 +318,26 @@ void UTIL_SendHudText(int client, const hud_text_parms &textparms, const char *p
 
 	players[0] = client;
 
-#if SOURCE_ENGINE == SE_CSGO
-	// If or when we need to support multiple games per engine with this, we can switch to reflection
+#if SOURCE_ENGINE == SE_DOTA
+	CUserMsg_HudMsg *msg = (CUserMsg_HudMsg *)g_UserMsgs.StartProtobufMessage(g_HudMsgNum, players, 1, 0);
+	msg->set_channel(textparms.channel & 0xFF);
+
+	msg->set_x(textparms.x);
+	msg->set_y(textparms.y);
+
+	Color c1(textparms.r1, textparms.g1, textparms.b1, textparms.a1);
+	msg->set_color1(c1.GetRawColor());
+
+	Color c2(textparms.r2, textparms.g2, textparms.b2, textparms.a2);
+	msg->set_color2(c2.GetRawColor());
+
+	msg->set_effect(textparms.effect);
+	msg->set_fade_in_time(textparms.fadeinTime);
+	msg->set_fade_out_time(textparms.fadeoutTime);
+	msg->set_hold_time(textparms.holdTime);
+	msg->set_fx_time(textparms.fxTime);
+	msg->set_message(pMessage);
+#elif SOURCE_ENGINE == SE_CSGO
 	CCSUsrMsg_HudMsg *msg = (CCSUsrMsg_HudMsg *)g_UserMsgs.StartProtobufMessage(g_HudMsgNum, players, 1, 0);
 	msg->set_channel(textparms.channel & 0xFF);