The one that started it. You are a cell on a grid. Eat pellets and smaller players, split to chase, and stay away from anything bigger than you.
Open agar.io Agar.io only runs on its own site, so it opens in a new tab.Loading agar.io…
The one that started it. You are a cell on a grid. Eat pellets and smaller players, split to chase, and stay away from anything bigger than you. 2015, Matheus Valadares (Miniclip).
Agar.io is a free eat and grow io game (classic, free-for-all, teams). You start tiny. Everything smaller is food, everything bigger is death. The loop Agar.io invented in 2015, and the food-chain games that grew out of it. It ran when last checked, on 2026-09-16.