In a message dated 98-10-14 15:19:17 EDT, you write: << I am not sure, but I think that the Gameboy cartridges are 4 mb. The gameboy has a smaller screen that the 86, though. But the Gameboy runs faster and only uses one plane to do grayscale. Thanks to Dux for the info on the 1 plane for grayscale stuff =) >> The Gameboy also has a higher resolution screen (smaller pixels which means more pixels on the screen)