diff --git a/src/game.c b/src/game.c
index ad57f49..b41f220 100644
--- a/src/game.c
+++ b/src/game.c
@@ -11,6 +11,8 @@
 
 extern int UpdateRects_nr;
 
+static Uint32 timediff;
+
 void
 game_draw_info ()
 {
@@ -90,9 +92,10 @@ game_draw_info ()
 		text[strlen(text)] = ']';
 		sprintf (text, "%s GFX_RECTS:%d", text, UpdateRects_nr);
 		draw_text (0, gfx.res.y - (gfx.font.size.y << 1), text, 1);
-		
-		sprintf (text, "TILESET: %s", gfx.tileset);
+		sprintf (text, "TILESET: %s   Timediff: %d", gfx.tileset, timediff);
+		draw_text (0, gfx.res.y - gfx.font.size.y, text, 1);
 		gfx_AddUpdateRect (0, gfx.res.y - (gfx.font.size.y << 1), gfx.res.x, gfx.font.size.y << 1);
+		
 	}
 	
 	if (chat.visible == 0) {
@@ -215,6 +218,8 @@ game_loop ()
 
         // calculate time sync.
         timeloop1 = SDL_GetTicks ();
+		timediff = timeloop1 - timestamp;  // only for debugging needed
+		
         while (timeloop1 - timestamp >= 0 && timeloop1 - timestamp < 20) {
             s_delay (timeloop1 - timestamp - 1);
             timeloop1 = SDL_GetTicks ();