diff --git a/source/core/gamecontrol.cpp b/source/core/gamecontrol.cpp
index 8bf083cc4..04222dff2 100644
--- a/source/core/gamecontrol.cpp
+++ b/source/core/gamecontrol.cpp
@@ -138,7 +138,6 @@ void S_ParseSndInfo();
 void I_DetectOS(void);
 void LoadScripts();
 void app_loop();
-void DrawFullscreenBlends();
 void MainLoop();
 
 
@@ -904,7 +903,7 @@ void TickSubsystems()
 	if (cnt == 5) nexttick = nowtick + tickInterval;
 }
 
-static void updatePauseStatus()
+void updatePauseStatus()
 {
 	// This must go through the network in multiplayer games.
 	if (M_Active() || System_WantGuiCapture())
diff --git a/source/core/gamecontrol.h b/source/core/gamecontrol.h
index 8162e3fcd..a448a2675 100644
--- a/source/core/gamecontrol.h
+++ b/source/core/gamecontrol.h
@@ -16,6 +16,7 @@ class FArgs;
 extern bool GUICapture;
 extern bool AppActive;
 extern cycle_t drawtime, actortime, thinktime, gameupdatetime;
+extern bool r_NoInterpolate;
 
 extern FMemArena dump;	// this is for memory blocks than cannot be deallocated without some huge effort. Put them in here so that they do not register on shutdown.
 
@@ -49,6 +50,7 @@ int32_t CONFIG_GetMapBestTime(char const* const mapname, uint8_t const* const ma
 int CONFIG_SetMapBestTime(uint8_t const* const mapmd4, int32_t tm);
 int GameMain();
 void startmainmenu();
+void updatePauseStatus();
 
 struct UserConfig
 {
diff --git a/source/core/inputstate.cpp b/source/core/inputstate.cpp
index 9c05abf6e..ec42d328f 100644
--- a/source/core/inputstate.cpp
+++ b/source/core/inputstate.cpp
@@ -160,6 +160,7 @@ int32_t handleevents(void)
 		setViewport(hud_size);
 		setsizeneeded = false;
 	}
+#pragma message ("only for old game loop")
 	twod->SetSize(screen->GetWidth(), screen->GetHeight());
 	twodpsp.SetSize(screen->GetWidth(), screen->GetHeight());
 
diff --git a/source/core/mainloop.cpp b/source/core/mainloop.cpp
index 9b7ab160e..3bffcd060 100644
--- a/source/core/mainloop.cpp
+++ b/source/core/mainloop.cpp
@@ -179,6 +179,7 @@ static void GameTicker()
 	}
 
 	C_RunDelayedCommands();
+	updatePauseStatus();
 
 	switch (gamestate)
 	{
@@ -191,6 +192,7 @@ static void GameTicker()
 	case GS_LEVEL:
 		gameupdatetime.Reset();
 		gameupdatetime.Clock();
+		gameclock += 120 / GameTicRate;
 		gi->Ticker();
 		gameupdatetime.Unclock();
 		break;
@@ -238,6 +240,12 @@ void Display()
 	case GS_LEVEL:
 		if (gametic != 0)
 		{
+			screen->BeginFrame();
+			screen->SetSceneRenderTarget(gl_ssao != 0);
+			twodpsp.Clear();
+			twod->Clear();
+			twod->SetSize(screen->GetWidth(), screen->GetHeight());
+			twodpsp.SetSize(screen->GetWidth(), screen->GetHeight());
 			gi->Render();
 			DrawFullscreenBlends();
 		}
@@ -259,7 +267,7 @@ void Display()
 		DrawRateStuff();
 	}
 
-	videoShowFrame(0);
+	videoShowFrame(1);
 }
 
 //==========================================================================
diff --git a/source/games/duke/src/gameloop.cpp b/source/games/duke/src/gameloop.cpp
index 3b12abd07..3d379af00 100644
--- a/source/games/duke/src/gameloop.cpp
+++ b/source/games/duke/src/gameloop.cpp
@@ -68,7 +68,9 @@ void GameInterface::Ticker()
 	{
 		global_random = krand();
 		movedummyplayers();//ST 13
+		r_NoInterpolate = false;
 	}
+	else r_NoInterpolate = true;
 
 	for (int i = connecthead; i >= 0; i = connectpoint2[i])
 	{
diff --git a/source/glbackend/glbackend.cpp b/source/glbackend/glbackend.cpp
index 6b1dcbfa2..ec4012843 100644
--- a/source/glbackend/glbackend.cpp
+++ b/source/glbackend/glbackend.cpp
@@ -489,13 +489,17 @@ void videoShowFrame(int32_t w)
 		});
 	screen->Update();
 	screen->mVertexData->Reset();
-	// After finishing the frame, reset everything for the next frame. This needs to be done better.
-	screen->BeginFrame();
-	bool useSSAO = (gl_ssao != 0);
-	screen->SetSceneRenderTarget(useSSAO);
-	twodpsp.Clear();
-	twod->Clear();
 	videoSetBrightness(0);	// immediately reset this after rendering so that the value doesn't stick around in the backend.
+
+							// After finishing the frame, reset everything for the next frame. This needs to be done better.
+	if (!w)
+	{
+		screen->BeginFrame();
+		bool useSSAO = (gl_ssao != 0);
+		screen->SetSceneRenderTarget(useSSAO);
+		twodpsp.Clear();
+		twod->Clear();
+	}
 }
 
 TMap<int64_t, bool> cachemap;