- Patch Notes: Feb 14, 2026 - 14 February 2026
Update released on Feb 14th! The update is complete if you see Ver 1.1.1 in the top left and 4477 in the bottom right.Update Details:Adjustments to Stages 3-4, H-3-4, and T-3-4 Based on feedback regarding confusing sections, we've made adjustments to improve clarity while maintaining the original gameplay feel. Stage 3-4 has undergone the most significant visual change—don't be surprised if it looks a bit different!New Item: "Gacha Capsule" A new support item has arrived! It drops randomly when defeating specific enemies or as a "Zol-Kill" bonus. It grants you enough coins for your next upgrade, and if you’re lucky, you might even score a massive coin jackpot!Faster Shopping in Shopnaut We’ve shortened the "long-press" time required to buy items. While deciding what to buy is part of the fun, waiting for the transaction shouldn't be. Enjoy a snappier shopping experience!New Weapon: "Swo…
- “Starnaut” × “Vampire Survivors” Vol. 2 Collaboration Update Now Available - 17 December 2025
Thank you all for waiting!Version 1.1.0 is now live!!The second Vampire Survivors collaboration update is now live!!■ New Content (Dec 18)New Stages:X-04: Inlaid LibraryX-05: Dairy Plant*In cases where X-03 is cleared and X-04 is already accessible, the unlock cinematic for X-04 may be displayed after the initial stage completion upon startup.New Characters:Antonio (Unlock by completing X-04)RedDeath (Unlock by defeating Death)New Weapons:Axe (Unlock by completing X-04)Death Spiral (Added to the Shop after obtaining a Gold Weapon while holding the Axe)Jet Coffin (Unlock by completing X-05)Steam Winter Sale (JST): Dec 19, 2025 – Jan 6, 2026Vampire Survivors Bundle: AvailableTo celebrate the collaboration, we are participating in the sale at 80% OFF!You can get an additional 10% OFF with the Vampire Survivors Collaboration Bundle!Don't miss this chance, and please recommend the game to yo…
- “Starnaut” × “Vampire Survivors” Collaboration Announced! - 24 October 2025
It looks like *Vampire Survivors*, but it plays like *Starnaut*. Three iconic stages from *Vampire Survivors*—“Mad Forest,” “Inlaid Library,” and “Dairy Plant”—will appear in *Starnaut*. Within each stage, players will encounter new “Companion Rescue” events featuring visual effects inspired by *Vampire Survivors*. While capturing the spirit of *Vampire Survivors*, this collaboration introduces new gameplay strategies that differ from the main *Starnaut* experience.Collaboration PV link Release Schedule: - October 24, 2025: Mad Forest - November , 2025: Inlaid Library & Dairy PlantAvailability: Free updatePlatform: Steam■ Creator’s CommentSawaki Takeyasu (Game Director / Crim Co., Ltd.)“The moment I saw *Vampire Survivors*, I thought, ‘I want to make this in 3D!’ I never imagined the original creators would not only approve but also agree to collaborate. Although *Starnaut* is a 3D game…
- 7/7/2025 Update - 7 July 2025
7/7/2025 Update details.If title shows ver.1.0.1, the game is updated.▼Systemゾルキルボーナスの追加Changed the default screen setting on first launch from fullscreen to windowed modeAdded sound effects to boss laser attacksAdded new Stella Advice lines▼StagesAdded extra dialogue when launching the 4th and 8th rockets in Stage 1-1Renovated Stage 2-2Updated the message that appears near the first rocket in 2-3Fixed a bug where the player could get stuck in parts of 2-3 and H-2-3Made the outer targets in 3-4 easier to identifyIn T-3-4, hint dialogue speaker changed from Wonderful to CopiasuShortened the respawn interval of Wonderfuls carrying Lost Data▼WeaponsFixed a bug where some weapon types were not displayed (Japanese only fix)Veil – Increased base attack powerY-Antenna – Increased base attack power and duration; added "Barrier" typeMega Launcher – Increased initial explosion radius; adjusted vi…
- STARNAUT Demo Now Live! - 26 May 2025
STARNAUT Demo Now Live! This special demo lets you experience a unique tutorial stage not found in the full game. It also features a prototype of the upcoming bonus system based on enemy defeats—so even players who’ve already completed the main game will find something new to enjoy! And once you clear the tutorial... you just might receive a special message from Copiasu. If you know someone on the fence, recommend the demo to them! Note: Save data from the demo will not carry over to the full game.
- [Full Release] STARNAUT — Now Launched! - 28 April 2025
Thank you all for waiting so patiently. The day has finally arrived. "Mythical Concept STARNAUT" is officially released today! Embark on a journey to rebuild a fallen Earth in this loop-style roguelike, where the world changes every 30 minutes. Based on the feedback from our Steam Early Access players, we have reviewed and restructured the entire game. ▼ Highlights of the Full Release: 60 stages in total 49 types of weapons 22 playable characters Full story now unlocked English localization and improved performance Perhaps this journey will reveal the connection between the world of El Shaddai and your own memories. We invite you to experience this new "Mythical Concept" — and we would be thrilled if you shared your impressions with us!
- [Urgent] Announcement Regarding Full Release - 28 April 2025
To everyone eagerly awaiting STARNAUT, Currently, we are still awaiting approval from Valve for the final review, and the full release has not yet gone live. We will proceed with the full release as soon as the approval is granted and everything is confirmed. We sincerely apologize for the inconvenience and appreciate your patience and support.
- Finally, it will be released tomorrow, April 28! - 27 April 2025
Ladies and gentlemen, it's finally tomorrow. The Mythos Concept Star Notebook is finally ready for full release on Steam. It's been a process of trial and error over the past few years. But the feedback, bug reports, and words of support we received during the Early Access period ...... all helped us in our development. In the final version, we have completely adjusted the stage structure, enemy patterns, UI, weapon balance, and more. In addition, please pay attention to the unexpected connection with "that character" in the story. Your journey will surely change something. See you in space tomorrow.
- Includes character profiles!First information also! - 26 April 2025
Only 2 more days until the release Today, we introduce the characters! Here is a sneak preview of their unique personalities 🚀. Copiasu “All right, reset time! I‘m feeling great!” The 8th Designer Baby created by Stella. Driven by the dream of one day becoming a Starnaut and meeting Stella, he continues fighting. However, he actually received that title from Stella right from the start—he simply is too shy to claim it himself. With his incredibly positive personality, he charges forward fearlessly, no matter what kind of enemies may stand in his way. Likes Toast when he’s late Dislikes Solitude Stella “When in doubt, use your fists!” The guide to Copiasu’s game journey. Originally created as the central AI brain of Seven Nights, she takes on an automatically generated form when emerging to the surface, which can change slightly each time. The form pictured is how she appeared in her fi…
- Our Top Weapon Picks & Dev-Recommended Builds! - 25 April 2025
Hello! This is the STARNAUT development team. Only 3 days left until launch! Today, we’d like to share something fun to know before you start playing — a quick dive into weapon builds! In STARNAUT, you can equip up to 8 weapons at once. With categories like Antenna, Explosive, and Collision, the combinations are endless — and every loadout brings a completely different combat style. Here’s a build the devs highly recommend: Quaker Dark Pepper Soda Decoy Bomb This build is all about maximum satisfaction and pure exhilaration. It just feels amazing to play. Other options? Try the speed-maxed loadout featuring B-Fuse — it’s all about velocity and style. With countless combinations, there's no end to the creativity you can bring to your battles. So go ahead — find your favorite build, and make it your own! We’d love to hear your thoughts and see what you come up with!
- STARNAUT full release date set & trailer released! - 23 April 2025
― A new experience with even more content to explore! ― Since its initial Early Access release on Steam on February 14, 2024, STARNAUT has evolved through roughly 30 updates shaped by player feedback. Now, as part of the larger mythos connected to El Shaddai, we are pleased to announce that the full release is ready for launch on April 28—coinciding with the 14th Anniversary of El Shaddai! Major Changes in the Full Release Throughout Early Access, we’ve greatly expanded and refined the game by actively incorporating feedback from the player community. Here are some new additions players can experience in the full release of the game: Stages: 18 → 60 Weapon Types: 25 → 49 Helmet Types: 12 → 22+ Enemy Types: 100 → 400+ Lost Data (Added Content): Over 200 new Lost Data have been added. Story Chapters: 11 → 53 What is Mythical Concept STARNAUT? Mythical Concept STARNAUT is a survivor-style…
- promotional account - 20 February 2025
コピアス
- Volunteer Recruitment for "STARNAUT" - 14 February 2025
Volunteer Recruitment for "STARNAUT" We are now entering the final phase of checks in preparation for the full release of "STARNAUT." To ensure the best experience possible, we are recruiting volunteers from our Early Access users to assist us. --- Recruitment Overview Roles Available: 1. Test Player 2. Promotion Support 3. Translation Check Participation Requirements Must own the Early Access version on Steam Testing Period Until the official release date Responsibilities of Test Players: 1. Record Gameplay Videos (Mandatory) You are free to use any recording method, such as your PC’s built-in recording function or your preferred recording software. Please upload the recorded data to the designated Dropbox folder. Provide Feedback via a Spreadsheet (Mandatory) 2. Example feedback items: Your impressions of the game Suggestions for the development team Areas where explanations felt insu…
- Announcement: Recruitment of Test Players for "STARNAUT" - 5 January 2025
We are excited to announce that we are starting the final checks in preparation for the full release of "STARNAUT." As part of this process, we are inviting Steam Early Access users to participate as test players. ◆ Recruitment Details Participation Requirements Must already own the Steam Early Access version of "STARNAUT." Test Period From the notification of selection until the end of January 2025. ◆ What We’d Like You to Do Record Gameplay Videos (Mandatory) You are free to use any recording method, such as your PC’s built-in recording function or your preferred recording software. Please upload the recorded data to the designated Dropbox folder. Provide Feedback via a Spreadsheet (Mandatory) Example feedback items: Your impressions of the game Suggestions for the development team Areas where explanations felt insufficient or improvement ideas ◆ Recruitment Period From January 5, 202…
- Notice of Release Date Postponement for "Mythos Project STARNAUT" - 5 November 2024
Announcement to everyone who has been enjoying STARNAUT. Regarding the November 9 release, we have decided to postpone it as we need a bit more time to finalize 22 types of helmets, over 30 types of weapons, and adjustments for more than 50 stages. We will announce the new release date in detail later. To everyone who has been eagerly waiting, we kindly ask for your patience a little longer. Release Date Information We apologize for any inconvenience and thank you for your understanding. Ongoing Developments ・New Enemy: ZOMBINAUT ZOMBIENAUT Debut Post ・Assigning preferred weapons for each helmet For the latest updates, please follow us here: ↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓ Official STARNAUT X
- "Mythos Project STARNAUT" Full Release Confirmed for November 9! - 18 September 2024
The full release of Mythos Project STARNAUT has been confirmed for November 9, following its early access launch on Steam in February 2024 and around 30 updates driven by user feedback. The content has been significantly enhanced to offer a unique and improved experience. That's exciting news! Let me know if you'd like help preparing any announcements or other details. Steam https://store.steampowered.com/app/2508940/_/ Trailer https://youtu.be/NYI48EuuGYM?si=Y3MhYW54f5xdnIjG Evolution Points of STARNAUT As part of the El Shaddai mythos, STARNAUT introduces an entirely new story. Additionally, the previously separate prequel novel Copiasu will now be included, offering fans a must-see collection of content packed with rich lore. This makes STARNAUT even more enticing for fans of the mythos. Let me know if you'd like to further elaborate on any aspects or need help with anything else! Ma…
- 024/8/14 Update - 14 August 2024
2024/8/14 Update details. If title shows ver.EA_3284, the game is updated. 1，Bug fixes. We will continue to develop the game with the fix of serious problems as our top priority. Thank you for your continued support of Starnaut.
- 2024/8/12 Update - 12 August 2024
2024/8/12 Update details. If title shows ver.EA_3279, the game is updated. 1，Bug fixes. We will continue to develop the game with the fix of serious problems as our top priority. Thank you for your continued support of Starnaut.
- 2024/8/9 Update - 9 August 2024
2024/8/9 Update details. If title shows ver.EA_3275, the game is updated. 1，STARNAUT helmets were changed! 2，Lost data "Copiasu" was implemented. Unlock conditions: After the update, you can obtain the lost data by playing each stage. After obtaining it, it can be viewed from the "Copiasu" menu in the main menu. 3，The size of enemies has been changed. 4，The size of the debris and gacha capsules that appear in stages has been changed. 5，Other minor fixes. We will continue to develop the game with the fix of serious problems as our top priority. Thank you for your continued support of Starnaut.
- AUTOMATONにて『スターノート』が紹介されました！ - 23 July 2024
Please check the article at the following URL! 3D『Vampire Survivors』風ゲーム『スターノート』今秋Steam正式リリースへ。『Vampire Survivors』開発チームも応援する“3Dヴァンサバ風” Actually... As mentioned in the article, we have received support from the Vampire Survivors team at the time of release! It was a great honor, and I am still truly happy!
