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89% positive of 1,564 · Very Positive · Live from Steam
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Cyan Brain is a decadent sci-fi side-scrolling action shooter. Awaken to face endless slaughter and desperate encounters. "Are you ready to make the ultimate devotion?"
Live data from Steam, tracked by SteamPlayerBase.
What changed on Steam for this game since we started following it: prices and sales, builds, name, release date and review score.
Review score: 89% on 2026-11-01 → 89% today (1,564 reviews)
No authorized Steam key store lists this game right now.
Works, but may need extra effort. Results from Valve's own testing.
Valve hasn't published test details for this game.
1 item on Steam, newest first.

Every build released on Steam for this game since we started tracking it, with the developer's patch notes. Updated within minutes of each new build.
Fixed shower animation errors.Fixed some text issues.
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.Fix…
Hi everyone,As many of you may have noticed, the achievements for Cyan Brain are now visible on the store page!However, we still need a little more time for testing, so it is normal if they cannot be triggered just yet. Because Steam is designed this way, we m…
Fixed an issue where respawning after saving would still place the player back at the beginning of the level.The saving issue is still under active investigation and repair. If you encounter any other related issues, please report them in the discussion forum.…
General Fixes & ImprovementsFixed the issue where the protagonist's outfit was not repaired after saving.Corrected several translation issues within the upgrade interface.The default language setting is now English.Replaced censored assets with uncensored vers…
Hi everyone! Even after nearly three months, we continue to receive wonderful feedback and impressions from all of you regarding Cyan Brain. Thank you so much—your support is what keeps us moving forward! To show our appreciation, we’d like to share a sneak pe…
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Artist: 巴結 --Hi everyone,A huge thank you for playing Cyan Brain. Reaching the 50,000 copies milestone is a tremendous encouragement to us. We have received all your feedback, both praise and criticism, and we hold them close to our hearts.With the game now in…
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We are thrilled to announce that the official Cyan Brain Artbook is now available. We hope you enjoy diving deeper into the sci-fi world of Cyan Brain.Furthermore, we are excited to confirm that Steam achievements are coming in a future update.Regarding the ga…
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