Agar.io

Contains adsIn-app purchases
3.8
4.2M 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
Sep 15, 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

3.8
3.47M 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.
538 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...
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T Mars77
October 12, 2025
Problem is that you cannot see the field well enough even at a decent size before being swallowed up by someone 200 times your size before you can barley see the edge of them. Needs to be balanced better. And has lag issues. There are other games like this that dont have this lag issue. UPDATE: Tried this game 7 yrs later and it's worst with ads and CHEATERS. and if im doing well, I get kicked out. what a joke.
6 people found this review helpful
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What’s new

* Introducing Odyssey Adventure, arriving 19 September 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