Survival & Growth

Agar.io Arena (Smart Bots Battle)

Enter the petri dish arena packed with 20 autonomous AI bots. Eat pellets, split cells to ambush prey, and avoid spiky green viruses.

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Controls:

Mouse/Touch to move, Spacebar to split, W to eject mass.

On mobile, transparent on-screen buttons appear, and you can switch between arrows and mouse/touch from the control button.

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How to play

  1. Press "Play now" to open the game screen.
  2. Use the keyboard or the on-screen touch buttons.
  3. Your high score is saved on your device automatically.
  4. Press ⛶ for full screen and ✖ to go back.

Frequently asked questions

Is the game free?

Yes, completely free with no sign-up or download.

Does it work on mobile?

Yes, with transparent touch buttons; landscape works best for fast games.

Where is my score saved?

In your browser on your device only; it is never sent to a server.