Oceanar.io is a very challenging and highly addicting game from the .io games series. Take control of the queenfish and swim through the vast and dangerous ocean, consuming everything smaller than you. The more you eat, the more you grow and the bigger, meaner things you can consume! 

Release Date

November 2016


S3 Games made Oceanar.io.


  • Multiplayer fish-eating gameplay
  • Mergeable fishes
  • Beautiful ocean
  • 2D graphics and playable in fullscreen
  • Playable in fullscreen


  • Web browser (desktop and mobile)
  • Android

Mobile Apps

Get Oceanar.io on the Play Store


.io Games » Oceanar.io

More Information About Oceanar.io

Oceanar.io is a fun .io game that you can play here directly in your browser, for free. Oceanar.io is made with HTML5 to work smoothly in all modern browsers. In addition to playing Oceanar.io in your browser, you can also download the mobile app for your Android phone and tablet. It has been played 510,946 times and has received a rating of 8.7 / 10 with 3,712 votes. If you like the game, you should also play our other .io games or to Aquar.io and Krunker.io.

How to play

Race against several other players to be the toughest queen fish in the ocean and prove your superiority! Can you rule the ocean or will you end up fish food?


  • Left mouse button or W to attack
  • Right mouse button or space bar to merge