Agar.io

Contains adsIn-app purchases
3.9
4.19M reviews
100M+
Downloads
Content rating
Everyone
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About this game

Play online with players around the world as you try to become the biggest cell of them all!

Control your tiny cell and eat other players to grow larger! But watch out: players bigger than you will be trying to make you their lunch. Survive and eat long enough to become the biggest cell in the game!

With new controls developed especially for touchscreens, agar.io offers the same fun gameplay that millions have already enjoyed on PC. Play online in free-for-all action and use splitting, shrinking and dodging tactics to catch other players - or avoid them! Use a variety of special secret skins with the right username!

This game includes optional in-game purchases (includes random items).

Become a beta tester: http://goo.gl/cGmbd8
Updated on
Dec 18, 2025
Available on
Android, Windows*
*Powered by Intel® technology
Events & offers

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
This app may share these data types with third parties
Location, Personal info and 4 others
This app may collect these data types
Location, Personal info and 4 others
Data is encrypted in transit
You can request that data be deleted

Ratings and reviews

3.9
3.46M reviews
DJ Lane
May 17, 2025
I don't know what happened in the last few days! 10 (TEN) ads before your first round each time you open. then an additional five after first round, two of them video you must watch! that's it! sorry, but that's completely unreasonable. the app is done, deleted, and will be forgotten. I know ads are necessary, but not 15 per round. that's insane.
700 people found this review helpful
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Samuel “Ghost” Taylor
January 5, 2026
Extremely laggy, slow loading, waist of space, lose controls mid-game. UNINSTALLED Edit: 10 years later and the only thing that's changed is the number of pop-up ads. I've never seen a more clear indicator of a developer who cares more about making a quick dollar than making a competent and working game, I highly recommend skipping this entirely and finding something else
2 people found this review helpful
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thales malvar
October 12, 2025
It's a fun game, I've played to for over a decade now. Lately I noticed it was lagging way too much. It turns out all the adds they've been adding to the game (most of them with long videos) are using the internet the game needs to work well. This makes the experience horrible! It takes multiple spawns for the game to respond to your commands. Basically you can't play well unless you pay for a subscription! I'm permanently deleting the game this time...
29 people found this review helpful
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What’s new

* Introducing Snow & Sparkles Adventure, arriving 18 December 2025
- Collect tokens in any arena and in potions to unlock rewards galore
- Get the Golden Gate to take your Adventure to the next level for super exclusive rewards and skins