NEKOUJI STUDIO

Help Us Improve 'CYAN BRAIN' – Bug Reports Welcome (August 12, 2025)

Dear players,
Thank you very much for purchasing and playing CYAN BRAIN. If you encounter any bugs or issues during gameplay, we sincerely apologize for any inconvenience this may cause. To improve your experience, we kindly ask that you report them on our official Discord.

Your reports will help us ...

『CYAN BRAIN』DLsite Gift Card Giveaway ＋ Discord Channel Launch Announcement

Thank you all for your continued support of CYAN BRAIN.

To celebrate the release, we are holding an RT campaign where you can win a DLsite gift card!
In addition, we have officially launched our Discord channel, so please feel free to join us!

📜 How to Enter
① Follow @nekoujist...

🧠🎮 Announcement of the Official Release of “CYAN BRAIN”

Thank you very much for your continued support of CYAN BRAIN.
We are pleased to announce that CYAN BRAIN will be officially released on Tuesday, August 12, 2025, at 16:00 (JST) via DLsite.

▼ Product page
🔗 2025-08-09 10:06:06 +0000 UTC View Post

CYAN BRAIN Release Date Announcement (August 7, 2025)

Thank you all so much for your continued support of CYAN BRAIN.

The day has finally come.

CYAN BRAIN is officially set to launch on Tuesday, August 12, 2025, exclusively on DLsite.

We truly appreciate your ongoing support and look forward to sharing this game with you.

[CYAN BRAIN] Final Demo / Content Expansion & System Update (2025/07/17)

👁‍🗨 Announcement of “CYAN BRAIN” New Demo Release

To everyone who has supported us,
We sincerely apologize for the long wait.

This demo is the latest version of Chapter 1.
We have thoroughly refined the system and presentation based on previous content.

2025-07-17 13:47:23 +0000 UTC View Post

[CYAN BRAIN][2025/06/06] Announcement of DLsite Pre-Release Page & Promotional PV Launch

Dear supporters,

This is the development team of CYAN BRAIN.

We are pleased to announce that the DLsite pre-release page for CYAN BRAIN is now live.

▼Pre-release page

https://www.d...

[CYAN BRAIN] [2025/06/02] Promotional Video Early Access Release

Dear Supporters,

Thank you very much for your continued and exceptional support.

Development of CYAN BRAIN has now entered its final, accelerated phase.
We will soon be officially unveiling the product preview page on DLsite.

Ahead of that, we are pleased to present an 2025-06-02 12:27:28 +0000 UTC View Post

[2025/05/01] April Development Update / Character Voice Sample Showcase

【Development Progress Report – April 2025】

Thank you as always for your continued support!

Here is our development update for April:

• Voice recording for the characters has been successfully completed.

• Animated CGs featuring voice acting are currently in active de...

  2025-05-01 09:34:52 +0000 UTC View Post

[2025/04/02] March Development Progress Report / Content Showcase

Dear Supporters,

Thank you very much for your continued support.

We are pleased to announce that the development of Stage 4 is progressing smoothly.

All weapon systems and animations for the new monsters have been completed.
We are currently fine-tuning and improving the behavioral AI of ...

[2025/03/01][Major Announcement] February Development Progress Report / Content Showcase Video Release

Dear Supporters,

Thank you very much for your continued support.

We sincerely apologize, but due to the extensive bug fixes required for each stage during development, we have decided to complete all game content before the official release. The game is scheduled for completion and release in the ...

[2025/01/29][Progress Report] January Development Progress Report / Content Showcase Video Released

New Year's Greeting

Happy New Year!
We are deeply grateful for the support we received last year. Thanks to your encouragement, we have made significant progress in the development of this project. This year, we are committed to delivering an even more exciting and engaging game. Our team will cont...

[CYAN BRAIN] Chapter 01+02 Test Demo/Content Expansion Update (2024/12/18)

Greetings

Thank you for your continued support! We are excited to bring you new updates and enhancements to make your gaming experience even more enjoyable. While the current update is still in the testing phase, we appreciate your valuable feedback to help us improve further.

2024-12-18 12:26:08 +0000 UTC View Post

[2024/11/30][Update Notice] Chapter 02 Content Update and New CG Reveal Coming in Early December.

To all our followers, thank you so much for your continued support.

Currently, our programmer is in the process of recovering, and we are planning to update the content of Chapter 2 in early December.

We sincerely appreciate your understanding and support.
Please look forward to it!

[2024/11/02][Progress Report] Apology for Update Delay / Chapter 02 Content Demo Video

Dear Supporters,

Thank you for your continued support.

To everyone who was looking forward to the October update, we sincerely apologize. We worked diligently until the very last day, but unfortunately, we were unable to complete Chapter 2.

Currently, Chapter 2 is in a playable stat...

Progress Report [2024/09/30] Announcement of Content Updates for Chapter 02 and Chapter 03.

Dear followers, thank you for your continued support.

This month, the production of Chapter 2 is nearly complete, with only some programming work left related to the new weapon and monster systems.

The map for Chapter 2 is larger and offers more content compared to Chapter 1. We plan to release th...

[2024/08/31][Progress Report] Chapter 01 Improvements / Chapter 02 Content Update Announcement

Dear Followers,

Thank you very much for your continued support.

Based on your feedback, we have made several adjustments to the stages.

We have reorganized the map in Chapter 01 to prevent players from getting lost or missing items.

Additionally, we’ve added new weapons to Chapter 01...

[CYAN BRAIN] Base/Story System/Content Update (2024/08/01)

Dear followers, Thank you always for your support. 

Update Details:   

♦Home System: You can now return to the base area after completing a stage.

[July 31, 2024] We are currently working on fixing urgent bugs, and we will upload new files on August 1st.

Dear everyone,

We hope this message finds you well.

We sincerely apologize, but due to numerous issues with the game's save data system, the upload of the new game files has been delayed to August 1st.

### Up...

[2024/06/30][Progress Report] Announcement of July Content Update

Apology for the Delay in Progress

We sincerely regret to inform you that,

While we have completed the production of new monsters, characters, some base systems, conversation systems, and several collection items within June, due to the time taken for the development of the multilingual system an...

[CYAN BRAIN] Chapter 01 Test Demo / Bug Fixes / Content Update (2024/06/17)

Dear followers,

Thank you very much for your continued support.

Thanks to your valuable feedback, we have addressed a series of issues in the previous version and introduced new features in this update:

♦ New weapons

♦ A device for replenishing ammunition

♦ A feature to expand the field o...

[CYAN BRAIN] Chapter 01 Test Demo Version (2023/05/31)

Dear followers, thank you very much for your continued support.

After much hard work, we are pleased to announce that the test version of Chapter 01 of [CYAN BRAIN] is now complete. We have uploaded the game content files so that our sponsors can play it.

Due to time constraints, the story and dialogue content wit...

[2024/05/21] [Spoiler Alert] Progress Report: Map01 Monster Video Showcase - Update Announcement

To our followers,

Thank you very much for your continued support.

We plan to update the demo version of Stage 01 between May 25th and 31st. We are working at full capacity right now.

Before releasing the official version of Stage 01, we will publish videos showcasing the monsters and traps.

▲ Please ...

△

[CYAN BRAIN] Survey on Content Production for Subsequent Illustrations and animate

[NOTICE][2024/04/30] We will update the content of the first chapter of the official version in mid-May.

To all our followers,

Thank you as always for your support.

We will be releasing paid updates to the content of the first chapter of the official version in mid-May. The updates will include:

- Maps

- Monsters, Bosses

- UI, Combat Systems, Weapons

and more...

Your support means a lot ...

[2024/04/28]進捗報告:KILL　Cards

▲怪物に倒された後に入手できるカード

▲The card obtainable after being defeated by a monster.

[CYAN BRAIN]制作初期展示デモInitial Demo - β(2024/04/22）

[CYAN BRAIN]の制作初期展示デモが公開されました。

皆様、いつもご応援いただき、誠にありがとうございます。

2024年4月6日にリリースされた初期体験版DEMO α は、制作時間が迫っており、多くの不具合がが発生しました。
緊急修正を�...

Gameplay video demonstration.