1/3
3 Years of Service
- Allow others to update?
- yes
- Developer Name
- NEKOUJI STUDIO
- Developer Links
- Version
- V 1.1.4 + DLC
- Latest Update
- Feb 25, 2026
- Release Date
- Jun 17, 2024
- Language
- English
- OS
- Windows

Overview:
Cyan Brain is a sci-fi horror game where players run and are pursued, by futa monsters and more....
2d game, animated, female protagonist, censored, vaginal sex, creampie, rape, gore, graphic violence, vore, monster girl, monster, big ass, big tits, shooter, adventure, fantasy, horror, sandbox, side scroller,
Extract and run
v1.1.4
Thank you all for your patience! Achievements for Cyan Brain are now officially live.
We have also implemented the following fixes and updates:
v1.1.2
Full Release
Demo 6.14
♦ New weapons
♦ A device for replenishing ammunition
♦ A feature to expand the field of view
♦ Several new screen effects
*Please note that save data from the previous version will no longer be usable.
**Please be aware that this version is a test release and may contain bugs that could affect the gameplay experience. We appreciate your understanding and valuable feedback.
Thank you all for your patience! Achievements for Cyan Brain are now officially live.
We have also implemented the following fixes and updates:
- Added sounds for the shower scene with HS202.
- Fixed enemy illustrations where the uncensored assets were incomplete.
- Fixed an issue where collectibles were not unlocking correctly via Cloud Saves.
- Fixed a UI bug that could cause the game to crash.
- Fixed an issue where respawning after saving would still place the player back at the beginning of the level.
v1.1.2
- Minor numerical adjustments and small bug fixes
- Added support for the Korean version
- Bugfixes
Full Release
Demo 6.14
♦ New weapons
♦ A device for replenishing ammunition
♦ A feature to expand the field of view
♦ Several new screen effects
*Please note that save data from the previous version will no longer be usable.
**Please be aware that this version is a test release and may contain bugs that could affect the gameplay experience. We appreciate your understanding and valuable feedback.
18+ Only
Last edited by a moderator:





