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About CYAN BRAIN
If you're thinking about picking up CYAN BRAIN CD key at the best price, it's worth learning a bit more about the game. It was developed by NEKOUJI and published by Mango Party and Mango Party News. The PC release date occurred on December 12, 2025. The genre of the game is characterized as action. As of now, 924 GG.deals users have wishlisted the game.
Here’s how CYAN BRAIN reviews break down across popular aggregators. On Steam, this title has 1,198 gamer reviews, 89% of which are positive. Now that you’ve seen the game’s key facts, you’re ready to get a discounted CYAN BRAIN Steam key through GG.deals.




















CYAN BRAIN: A Decadent Sci-Fi Action-Shooting Nightmare
Enter a dark fable of existence, annihilation, terror, and pleasure in CYAN BRAIN, a visceral sci-fi side-scrolling action-shooting game. Prepare yourself: this game contains violence, gore, and extreme content. Play with caution.
In an unknown time and place, a nameless girl awakens to a destiny already set in motion. Guided by neither prayer nor blessing, she ventures into a colossal ruin teeming with deranged machines. Experience unbearable despair and an unending cycle of slaughter as the wavering blue light of her will is shattered, stolen, and trampled. Yet, she continues forward, driven by an unknown purpose. Navigate between cruelty and salvation as the tolling of the Church's bells echoes through the world, stripping away the last restraints of flesh and mind, shifting reality itself.
In the depths of this nightmare, she finds herself facing two souls, reflections of each other's shadow, posing a chilling question: "Are you ready to make the ultimate devotion?" Unravel the mysteries of this devastated world by following scattered memory fragments, encountering companions who give meaning to her journey, and ultimately guiding her toward the "end of fate."
Experience Intense Action and Brutal Combat
CYAN BRAIN delivers adrenaline-pumping, visceral shooting action. Engage in fast-paced combat, utilizing a variety of weapons and tactics to survive against hordes of enemies. Brace yourself for fear-inducing executions and visceral blood-splatter effects that intensify the action. Gain the upper hand by utilizing mountable heavy weapons for devastating firepower.
As you take damage, witness the gradual tearing of your outfit, a testament to the brutal nature of combat. Upon defeat, face unique execution animations leading to the acquisition of a collectible Death Card. Enjoy the immersive experience enhanced by full-screen animated cinematics that propel the narrative forward.
Collectibles to Discover
Explore the ruined city and uncover a wealth of collectibles, which can all be viewed in the in-game gallery:
- Weapons: 16
- Enemies & Traps: 32
- Execution & H-Animations: 34
- Death Cards: 36
- Full-Screen HCGs: 3
Gameplay Hints to Aid Your Survival
- Eating food increases your hydration. Healing items are automatically created at max hydration.
- Conserve ammo by using your melee weapon to eliminate enemies when your firearm is empty.
- If you prefer to keep your attire intact, saving the game will restore your clothes.
Meet the Cast
Protagonist (CV: Momoka Kosuzu): A girl who has lost her name and memories. Driven by her mission, she explores a vast ruined city, battling hostile entities created by the Church, who reshaped her into a living weapon. Through combat, she hones her skills, strengthens her body, and unlocks powerful gear.
HS202 (CV: Ryo Suzuki): A lost member of the Church's Hunting Squad.
L (CV: Izumi Mikoshiba): A former researcher who preserved her consciousness within a specialized device and entrusted a plan to the protagonist.
M (CV: Yui Otokura): A mysterious girl with a cold, mechanical tone who appears within a strange domain.
*Please note: The final version of the game will be uncensored. Store images are for promotional reference only.
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Game Info










How Long to Beat
System Requirements
Minimum System Requirements:
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Requires a 64-bit processor and operating system
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OS: Windows 10+
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Processor: inter Core i3
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Memory: 4 GB RAM
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Graphics: NVIDIA GeForce GTX 650 / AMD Radeon HD 7750(VRAM 1GB以上)
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DirectX: Version 11
- Storage: 2 GB available space
Recommended System Requirements:
-
Requires a 64-bit processor and operating system
-
OS: Windows 10+
-
Processor: inter Core i3
-
Memory: 4 GB RAM
-
Graphics: NVIDIA GeForce GTX 650 / AMD Radeon HD 7750(VRAM 1GB以上)
-
DirectX: Version 11
- Storage: 2 MB available space
Age Ratings
Age Ratings for this game are unavailable.
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Price History of CYAN BRAIN
To help you shop smartly, GG.deals monitors CYAN BRAIN price history. You can observe all price fluctuations in the graph on this page. On top of that, GG.deals provides information about the lowest price ever offered for each game, labeled as the "historical low". The best CYAN BRAIN PC price of all time occurred on April 29, 2026 on Steam. At that time, one could obtain the game for just C$17.54.
Watching price trends could give you an idea of what kind of CYAN BRAIN price drop to expect in the upcoming months. This is where price alerts on GG.deals can be exceptionally helpful and you can set one up by navigating to the "Create Alert" button.
Historical low prices
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