Brainrot Online

Achievements
Trading Cards
A fast-paced multiplayer FPS where bizarre brainrot creatures battle across chaotic arenas. Join or create your own server, fight bots or players, and dominate the battlefield with four absurd characters and three unique maps.
summary by MetaCritic
Release date:08 Feb 2026
Last update:27 Apr 2026 (on Steam, public branch)
Developers: Pakumi
Publishers: Pakumi
Included in Steam Family Sharing
Has AI Content Disclosure
Players
  • Current 44
  • Peak 170
Last two weeks Tracked from Steam