Oceanar.io is a massively multiplayer game where players competefor dominance within an under-water ecosystem. Players eat variousmicro-organisms and shells to score points. As you eat, you beginto accumulate fish and can collect crabs and other ocean creatures.Then you can use your school of creatures to eat other players. Butwatch out, if another player eats your Queen fish, you die. Youwon’t be able to stop playing this amazingly addictive game.