Before you play
Grow a cell by collecting smaller targets in Agar.io’s official browser arena. The guest menu offers free-for-all and other modes; larger cells can absorb smaller ones.
Agar.io / Miniclip · Agar.io browser edition. Play, privacy choices and progress are handled by the linked host; review its save options before clearing browser data.
How to get started
- Open agar.io and follow its nickname, mode and Play prompts for a guest session.
- Steer toward smaller targets and away from larger cells. Joining or maintaining an online match depends on the live service.
Controls
Move the mouse to steer your cell. Space splits it and W ejects mass, as documented in the official guest menu. This entry documents desktop controls; it does not promise mobile-web touch support.
Questions before you play
Which browser edition does this link open?
Grow a cell by collecting smaller targets in Agar.io’s official browser arena. The guest menu offers free-for-all and other modes; larger cells can absorb smaller ones.
What do I need before playing?
Open the Agar.io browser edition and allow its resources to load. Follow the host’s play and privacy prompts. Use a desktop browser unless the entry explicitly documents phone controls; no personal game files are requested.
Where is progress saved?
Agar.io / Miniclip · Agar.io browser edition. Play, privacy choices and progress are handled by the linked host; review its save options before clearing browser data.
