CYAN BRAIN Ver.1.1.0 update has been completed. (October 13, 2025)

Thank you very much for playing CYAN BRAIN.

Due to technical issues, the update release was delayed during September, and we sincerely apologize for the inconvenience this caused.
The development team would like to extend our apologies once again.
This update includes a number of new features and improvements—please enjoy the latest version.

Main Update Details

• New Animated CGs Added
  　・Unlocked after clearing stages.
  　・Can also be viewed in already-cleared save data.

• Two New Monsters Added
  　・Appear in Chapters 4 and 5.
  　・Each features its own unique “Defeat / Execution” animation.

• Two New Weapons Added
  　・Both can be obtained in Chapter 3.
  　・Some weapon item placements have been adjusted—enjoy exploring.

• Landmine System Implemented
  　・Landmines can now be found during stages.
  　・Press G key to deploy; detonates about one second later.
  　・The player also takes damage from the explosion—use with caution.

• Sequel Announcement
  　A sequel to CYAN BRAIN is currently in active development.
  　More information will be revealed soon—please look forward to it.
  
  🔗 https://www.dlsite.com/maniax/work/=/product_id/RJ01405813.html