Announcement
Notice for Unity Game Developers: CVE-2025-59489 patch
updating UnityPlayer.dll to version that fixes issue described here: https://steamcommunity.com/groups/steamworks/announcements/detail/524229329545071275
Steam
JankBrain
Also known as JankBrain, j, jankbrain
JankBrain is out for world domination! Using his massive intellect, JankBrain wants to control the earth by taking over the world's economy. Inspired by 16 bit run and gun platformers of the 90s, JankBrain must tackle 55 challenging levels including mine cart, rocket pack, and boss battles.
Last update
19 May 2026
Players now
0
Original sources
1
Latest update
Latest updates
Update history
Browse past updates and patch notes for this game.
- August 2021
- Easy wall jump toggle patchnew pause menu option to toggle on/off easy wall jump. With easy wall jump off you hold in the direction of the wall and press jump to initiate wall jump. With easy wall jump on you will wall jump when pressing jump whe…
- February 2021
- Brain Boost Update - Feb 2020This update includes two new features: -a new "Brain Boost" mechanic that allows the player a new way to attack and gain speed -a new "Blast Mode" that is a remixed collection of 21 levels from the main campaign that us…
Gallery
In-game media
Achievements
Community progression
Top picks from 24 Steam achievements, sorted by player unlock rates.
- Janky JetpackComplete level 1-373.3%
- Gold StandardDefeat the boss in world 156.0%
- Take your vitaminsPay brain vitamins to unlock a level52.0%
- Mind PowersDefeat the boss in world 238.6%
- Beautiful BlimpDefeat the boss in world 337.3%
- True Store of ValueDefeat the boss in world 534.6%