The physical incompatibility can be overcome with use of various adapters, or through modification of the console. The cartridges are shaped differently for different regions North American cartridges have a rectangular bottom with inset grooves matching protruding tabs in the console, while other regions' cartridges are narrower with a smooth curve on the front and no grooves. The Super Nintendo Entertainment System (SNES) video game console has a library of games, which were released in plastic encased ROM cartridges. Super Nintendo Entertainment System cartridges.