Announcement
Update #5
Re-balanced almost all levels and stages - One checkpoint is now usable every 2 levels - Completing a stage will now grant 3000 points - Added proper support for HDPI monitors - Fixed a bug related to low FPS
Steam
Sullen
Also known as Sullen, s, steam:547210
Sullen is a fast-paced, challenging platformer set inside of a circle. Your ultimate goal is to work through all of the levels and defeat the sullen eye that relentlessly attacks you. You assume control of a small pentagon and must dodge, jump, and shoot your way to victory.
Last update
20 May 2026
Original sources
1
Latest update
Latest updates
Update history
Browse past updates and patch notes for this game.
- February 2017
- Update #5Re-balanced almost all levels and stages - One checkpoint is now usable every 2 levels - Completing a stage will now grant 3000 points - Added proper support for HDPI monitors - Fixed a bug related to low FPS
- December 2016
- Update #4Bug fixes
- Update #4Bug fixes
- Update #3Changed criteria for some achievements - Added 6 new achievements - Minor tweaks to many stages - Bug fixes - Removed Fragile mode - Added Practice mode - No more '0 life' (3 hits and you die instead of 4) - Checkpoints…
- Update #3Changed criteria for some achievements - Added 6 new achievements - Minor tweaks to many stages - Bug fixes - Removed Fragile mode - Added Practice mode - No more '0 life' (3 hits and you die instead of 4) - Checkpoints…
- Update #2Updated tutorial - Added achievement "Tutorial Master"
- Update #2Updated tutorial - Added achievement "Tutorial Master"
- Update #1Fixed a bug where 2 achievements would unlock when the game is launched
- Update #1Fixed a bug where 2 achievements would unlock when the game is launched
Gallery