ioio · multiplayer · survival

Agar.io

Agar.io is the original .io game that started it all. Control a small cell, eat pellets to grow, and consume smaller players while avoiding larger ones. Simple to learn, impossible to master.

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Agar.io Guides

How to Play Agar.io

Move your mouse to steer your cell. Eat smaller cells and pellets to grow. Avoid larger cells that can eat you. Split with Space to attack or escape.

Tips & Tricks

  • Start by eating pellets to grow to a safe size
  • Use the split mechanic (Space) to catch smaller players
  • Eject mass (W) to feed allies or bait enemies
  • Stay near the edges when small to avoid larger players

FAQ

How do I get big in Agar.io?

Eat pellets and smaller cells to grow. Use splitting to catch prey, but be careful of larger players.

Is Agar.io free to play?

Yes, Agar.io is completely free to play in your web browser on PlayOnHub. No download or registration required.

Can I play Agar.io unblocked at school?

Yes! You can play Agar.io on PlayOnHub from any browser. No download needed - just click and play!

What is the best strategy in Agar.io?

Focus on eating pellets early to grow safely. Use splitting to catch smaller players, and stay near the edges to avoid being cornered by larger cells.