Agar.io

Agar.io is an addictive .io genre game, you are like a water balloon absorbing other water balloons to grow up! Attack chasing smaller players to eat them and rank highest! Share this game with friends to play with the bigges

To play Agar.io, you simply use your mouse to move around, and you try to eat other players. You can hit spacebar to launch half of your mass forward, or you could use the "W" key to share mass with other players.