I had a 1 hour run of Ground Hog Day that went well first the first half. However, something was off. Whenever I beat each level, there was no fanfare for crossing the finish line or collecting stars. So I thought, funny? Yes, funny indeed -- little did I know, when I would start using cars with engines, the game would run at a severely low framerate and carts would move much slower (only when the engines were turned on). So please, if you plan on running the game, watch out for this funny behavior and make sure you restart the app before going any farther!