Deep IO is a funny multiplayer online IO game. Select what type of animal you want to play as and submerge in the deep, dark waters of Deepio. Keep eating lots of food and other weacker animals and evolve into greater creatures with unique special abilities. Some of them can dig in earth, some can poison opponents, and some others become invisible, but they all have one thing in common: they eat or get eaten by others. So don't just float around and give your best to become a big and powerful animal. Enjoy Deep io!