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Games / Play / Agar.io

Agar.io

Eat smaller cells, avoid bigger ones. The OG .io game.

7.9/10 PixlRun 2015 Dev: Matheus Valadares IO Strategy Multiplayer 👤 Massively multiplayer
▶ Play now Open original ↗

▶ Play Agar.io

Browser · HTML5
01

Info

facts & specs
DeveloperMatheus Valadares
Year2015
GenreIO · Strategy · Multiplayer
PlatformBrowser · HTML5
PlayersMassively multiplayer
Sourceagar.io ↗
02

Controls

Mouse: steer · Space: split · W: eject mass.
03

About this game

Eat smaller cells, avoid bigger ones. The OG .io game.

★

Best gear to play like a pro

affiliate · curated

Recommended hardware that makes browser gaming better. PixlRun earns a small commission on Amazon purchases — never costs you extra.

Tournament Chess Set $30-80
For when you outgrow the browser Weighted Staunton pieces · roll-up board Check price on Amazon →
Mechanical Keyboard $80-150
Faster moves, less fatigue Quiet tactile switches · USB-C Check price on Amazon →
04

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PixlRun · Browser Arcade Updated May 12, 2026