Track Agar.io in your backlog
Free game tracker — import your Steam library in one click, mark what you have finished, and plan what to play next.
Playtime
Updated community averages based on player submissions.
Main Story
13m
Main + Extra
—
Completionist
—
Links
About This Game
Agar.io is a massively multiplayer online game where players control a cell in a colorful, grid-like environment. The main goal is to grow your cell by consuming smaller cells scattered throughout the map, while avoiding being eaten by larger cells controlled by other players.
Media
1 video + 8 screenshotsLast updated Mar 7, 2026