Eat, grow and devours everything in Agar.io 3D, also known as Biome3D! In this dangerously addictive multiplayer game you will face other players in an attempt at world domination. Choose a fun cover for your dome like Jackie Chain, President Obama or Homer Simpson! A new version of IO most successful game, Agario 3D come to our website. IO fever games started with this fantastic game called Agario 3D where being a semicircle had to go around the screen to eat to get bigger so you can kill your enemies. In this new version, you will be a full circle and I have to go eat to be bigger and stronger than.