NEKOUJI STUDIO

《CYAN BRAIN》Ver1.01 Update Notice

GAME LINK：https://www.dlsite.com/maniax/work/=/product_id/RJ01405813.htmlDear players, thank you for your continued support of CYAN BRAIN.Here are the details of this update:🎨 New AdditionsAdded 3 new reward CGs　┗ Unlocked after clearing Stage 2, Stage 3, and Stage 4　┗ Already-cleared save data can directly view them⚖ Difficulty AdjustmentMade Easy Mode even easier to clear🔫 Weapon AdjustmentImproved performance of certain weapons🗺 Map ImprovementsAdjusted layouts of certain...

CYAN BRAIN – Recent Update Details & September Free Update Preview (August 2025)

Upcoming UpdatesFixing collected bugsAdding new sound effectsAdjusting certain unreasonable parametersMore detailed balancing for all difficulty modes　┗ Easy mode will become even easierSeptember Free Update PreviewTwo brand-new monsters & R18 execution animationsNew dynamic CG with full audioNew collectible text entriesMain menu character swap feature (replaceable with HS202)Expanded and adjusted parts of stage maps, with new collectiblesWe are currently working hard to prepare these updat...

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 fix and improve the game more quickly. We greatly appreciate your understanding and cooperation.📢 Report here (Official Discord)👉 https://discord.gg/uCsSTPmMjV🔗 Purchase the game here👉 http...

『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 Enter① Follow @nekoujistudio & @iuui1551② Retweet this post https://x.com/nekoujistudio/status/1954421330046292175③ Join our Discord channel *Gift cards will be distributed on Discordhttps://discord.gg/uCsSTPmMjV⏳ Deadline: JST Aug 12, 10:...

🧠🎮 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🔗 https://www.dlsite.com/maniax/announce/=/product_id/RJ01405813.htmlBe sure to add it to your favorites and look forward to the release!

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.📦 Release Date & Platform InformationRelease Date: Tuesday, August 12, 2025Platform: DLsite (Adult Version)Price: 3,080 JPY (Tax Included) 10% OFF during the first month of release▼DLsite Product Page👉 https://www.dlsite.com/m...

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

👁‍🗨 Announcement of “CYAN BRAIN” New Demo ReleaseTo 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.Main Additions and Adjustments:・ Re-recorded and adjusted all character voices・ Added difficulty selection・ Introduced hunger and experience systems・ Implemented a new inventory system・ Enhanced enemy hit effects・ Completely re...

[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 pagehttps://www.dlsite.com/maniax/announce/=/product_id/RJ01405813.htmlAlongside this, we have also released the latest promotional PV.We would be grateful if you could take a moment to check it out.Adding the game to your favorites will greatly support our upcoming release and visibility.Thank you as always for your continued support.�...

[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 exclusive early release of the promotional video for our supporters.Please take a glimpse into a world where terror and beauty intertwine.We deeply appreciate your continued encouragement and support.Sincerely,The CYAN BRAIN Developme...

[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 development. These will be available as reward items within the game.Background assets for stages 5 and 6 have been completed, and final stage construction will begin in May.We are also focused on intensive parameter adjustments and bug ...

[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 these new monsters.In addition, the production of the game’s soundtrack has been successfully completed.Character voice recording is scheduled to officially begin in April.Furthermore, we plan to release a promoti...

[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 third quarter of this year.Before all content is finalized, we will release an official game demo, including voice acting, game music, new systems, and the final UI. Supporters will be able to experience ...

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

New Year's GreetingHappy 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 continue to work tirelessly, and we hope for your continued support.We wish you a wonderful year in 2025! Thank you once again for your unwavering encouragement!==========================================...

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

GreetingsThank 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.Update Details1. Updates to Chapters 1 and 2We have updated the content for Chapters 1 and 2, introducing new game mechanics.2. Testing PhaseThe game is still in the testing phase, and there might be some bugs. We welcome yo...

[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 state, but it has more bugs than anticipated, and there are areas that still need to be fixed. As we are a small development team, we had no choice but to delay the update.To provide you with a better gaming experience, we k...

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 the complete version of Chapter 2 next month.Additionally, we have fixed issues with the strategy routes and balance adjustments for Chapter 1. In the next update, a newly illustrated defeat CG will be disp...

[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 and rebalanced aspects such as weapon damage, ammunition counts, and monster health. You can now zoom in when the execution animation plays.Since Chapter 01 serves as the prologue, these adjustments are aimed at maint...

[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. ♦Animation Viewing Room: Interact with the bed at home to enter the Animation Viewing Room.♦Home Interactions: Additional interaction scenes have been added within the home, featuring animations. ♦Story and Collections: New story dialogues, collectible items, and documents have been added to Chapter 1.♦Falling Death Mechanic: A new mechanic for...

[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.### Updates in this release:1. *Home System*: Players can now return to the base area after completing a stage.2. *Animation Viewing Room*: You can access the Animation Viewing Room by interacting with the bed at home.3. *Home Interactions*: Additional interaction scenes have been added within th...

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

Apology for the Delay in ProgressWe 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 and various bug fixes, the update for new content has been postponed to next month.Furthermore, we are striving to expedite the production of subsequent stages.Additionally, we aim to make it easier for every...

[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 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...

[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 within the game have not yet been implemented. We plan to update the scenario system in the game by next month.This update includes the prologue map and related gameplay content, as well as ...

[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 note: The uploaded videos contain spoilers. If you wish to experience these elements within the game, please do not watch!⚠ The videos contain graphic violence and mature content, so please be cautio...

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[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, Weaponsand more...Your support means a lot to us and serves as a great encouragement for our game development. We sincerely appreciate it.Thank you very much.

[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。緊急修正を経て、2024年4月22日にβ版をリリースいたします。▲ ゲーム体験に影響を与える不具合の修正▲ いくつかの不合理なモンスターの攻撃数値の修�...

Gameplay video demonstration.