I liked Zuma Deluxe (like the first reviewer), but am having troubles with Zuma Revenge. I bought the full version and have been having momentary freeze-ups and problems quitting the game...sometimes have to use force quit. When it does quit, it often leaves a thin line across the screen/desktop. For some reason it also occasionally opens PhotoShop??? I have an Intel processor, but still have these glitches. When it works, it is a fun game...when it doesn't, it is a pain.