Agar.io
Game · 2015 · Viral
A browser game shared once on 4chan was the No. 1 iOS game by downloads in July 2015.
Spread Score
How it worksNumbers
- Monthly players (Miniclip)
- 60M
- As of Apr 12, 2016 · Self-reported · WIRED
- Peak date
- Jul 2015
- Apr 28 ’15 to Jul 2015
- Platforms
- 6
- Started on Open web
- Origin
- Seeded
- Gaming
How it spread
Trace the originMatheus Valadares released Agar.io on April 28, 2015, and said he shared it once on 4chan. YouTube and Twitch players picked it up in May. Miniclip launched it on mobile on July 7, and it led worldwide iOS game downloads that month.
Dates use the stated precision; chart positions are date anchors.
13 more events on this chart
Join free to see themTimeline (16)
April 2015
Matheus Valadares seed · Apr 28 ’15
Valadares released Agar.io on the agar.io domain.[1]
Brega on r/WebGames platform jump · Apr 28 ’15
Reddit user Brega shared a direct link to Agar.io in r/WebGames.[3]
Boing Boing (Rob Beschizza) press · Apr 30 ’15
Boing Boing called Agar.io a horribly addictive browser game.[4]
Changelogupdated Oct 16 ’26
- Added 2 events · Revised 2 events · Added 4 sources · Added 1 number · Revised 2 numbers
- Score 51 → 62 · Fact-check passed (30 claims)
- Added: 14 events, 16 sources · Score 51
Spread the same way
New cases, every week
How the next thing spread, the week it does.









