diff --git a/extensions/sdktools/extension.cpp b/extensions/sdktools/extension.cpp
index 03fbbee0..ea11b22c 100644
--- a/extensions/sdktools/extension.cpp
+++ b/extensions/sdktools/extension.cpp
@@ -52,6 +52,7 @@ IBinTools *g_pBinTools = NULL;
 IGameConfig *g_pGameConf = NULL;
 IGameHelpers *g_pGameHelpers = NULL;
 IServerGameClients *serverClients = NULL;
+IPlayerInfoManager *playerinfomngr = NULL;
 HandleType_t g_CallHandle = 0;
 HandleType_t g_TraceHandle = 0;
 IVoiceServer *voiceserver = NULL;
@@ -132,6 +133,7 @@ bool SDKTools::SDK_OnMetamodLoad(ISmmAPI *ismm, char *error, size_t maxlen, bool
 	GET_V_IFACE_ANY(engineFactory, pluginhelpers, IServerPluginHelpers, INTERFACEVERSION_ISERVERPLUGINHELPERS);
 	GET_V_IFACE_ANY(serverFactory, serverClients, IServerGameClients, INTERFACEVERSION_SERVERGAMECLIENTS);
 	GET_V_IFACE_ANY(engineFactory, voiceserver, IVoiceServer, INTERFACEVERSION_VOICESERVER);
+	GET_V_IFACE_ANY(serverFactory, playerinfomngr, IPlayerInfoManager, INTERFACEVERSION_PLAYERINFOMANAGER);
 
 	return true;
 }
diff --git a/extensions/sdktools/extension.h b/extensions/sdktools/extension.h
index 43438806..88b51567 100644
--- a/extensions/sdktools/extension.h
+++ b/extensions/sdktools/extension.h
@@ -45,6 +45,7 @@
 #include <IEngineTrace.h>
 #include <IEngineSound.h>
 #include <ivoiceserver.h>
+#include <iplayerinfo.h>
 #include <convar.h>
 
 /**
@@ -90,6 +91,7 @@ extern INetworkStringTableContainer *netstringtables;
 extern IServerPluginHelpers *pluginhelpers;
 extern IServerGameClients *serverClients;
 extern IVoiceServer *voiceserver;
+extern IPlayerInfoManager *playerinfomngr;
 /* Interfaces from SourceMod */
 extern IBinTools *g_pBinTools;
 extern IGameConfig *g_pGameConf;
diff --git a/extensions/sdktools/vnatives.cpp b/extensions/sdktools/vnatives.cpp
index 9176656f..13e3e277 100644
--- a/extensions/sdktools/vnatives.cpp
+++ b/extensions/sdktools/vnatives.cpp
@@ -564,6 +564,40 @@ static cell_t GetClientEyeAngles(IPluginContext *pContext, const cell_t *params)
 	return 1;
 }
 
+static cell_t IsPlayerAlive(IPluginContext *pContext, const cell_t *params)
+{
+	IGamePlayer *player = playerhelpers->GetGamePlayer(params[1]);
+	if (player == NULL)
+	{
+		return pContext->ThrowNativeError("Invalid client index %d", params[1]);
+	} else if (!player->IsInGame())
+	{
+		return pContext->ThrowNativeError("Client %d is not in game", params[1]);
+	}
+
+	edict_t *pEdict = player->GetEdict();
+	CBaseEntity *pEntity = pEdict->GetUnknown()->GetBaseEntity();
+
+	static int lifeState_off = 0;
+	static bool lifeState_setup = false;
+
+	if (!lifeState_setup)
+	{
+		lifeState_setup = true;
+		g_pGameConf->GetOffset("m_lifeState", &lifeState_off);
+	}
+
+	if (!lifeState_off)
+	{
+		IPlayerInfo *info = playerinfomngr->GetPlayerInfo(pEdict);
+		if (info)
+		{
+			return info->IsDead() ? 0 : 1;
+		}
+	}
+	return (*((uint8_t *)pEntity + lifeState_off) == LIFE_ALIVE) ? 1: 0;
+}
+
 sp_nativeinfo_t g_Natives[] = 
 {
 	{"ExtinguishPlayer",		ExtinguishPlayer},
@@ -581,6 +615,6 @@ sp_nativeinfo_t g_Natives[] =
 	{"SlapPlayer",				SlapPlayer},
 	{"GetClientEyePosition",	GetClientEyePosition},
 	{"GetClientEyeAngles",		GetClientEyeAngles},
+	{"IsPlayerAlive",			IsPlayerAlive},
 	{NULL,						NULL},
 };
-
diff --git a/gamedata/sdktools.games.txt b/gamedata/sdktools.games.txt
index ea67a80d..81cc68f9 100644
--- a/gamedata/sdktools.games.txt
+++ b/gamedata/sdktools.games.txt
@@ -18,6 +18,11 @@
 				"class"		"CBasePlayer"
 				"prop"		"m_iHealth"
 			}
+			"m_lifeState"
+			{
+				"class"		"CBasePlayer"
+				"prop"		"m_lifeState"
+			}
 		}
 	}
 
diff --git a/plugins/include/sdktools_functions.inc b/plugins/include/sdktools_functions.inc
index 716eb9b0..6f2b8c55 100644
--- a/plugins/include/sdktools_functions.inc
+++ b/plugins/include/sdktools_functions.inc
@@ -114,6 +114,15 @@ native SlapPlayer(client, health=5, bool:sound=true);
  */
 native GetClientEyeAngles(client, Float:ang[3]);
 
+/**
+ * Returns if the client is alive or dead.
+ *
+ * @param client		Player's index.
+ * @return			True if the client is dead, false otherwise.
+ * @error				Invalid client index, client not in game, or no mod support.
+ */
+native bool:IsPlayerAlive(client);
+
 /**
  * @deprecated
  */