In-game event17 Dec 2025“Starnaut” × “Vampire Survivors” Vol. 2 Collaboration Update Now AvailableThank 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 Library · X-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 com…
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 mode · Added sound effects to boss laser attacks · Added new Stella Advice lines ▼Stages · Added extra dialogue when launching the 4th and 8th rockets in Stage 1-1 · Renovated Stage 2-2 · Updated the message that appears n…
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…
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 stage…
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.
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, enem…
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 simp…
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 bu…
― 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! Majo…
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…
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…
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. Re…
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 Trailer Evolution P…
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 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 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…
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!
2024/7/19 Update details. If title shows ver.EA_3198, the game is updated. 1，Other minor fixes. Adjustment of UI design, etc. 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.
Thank you for playing EA version of "STARNAUT"! A new trailer for full version of the game is released Copiasu talks about the story in this trailer. There are small sneak peak on how the new level and new weapons look like in the full version of the game! Also, following features will be added/changed in the full version of the game. We appreciate every single one of the support from everyone!…
2024/7/12 Update details. If title shows ver.EA_3171, the game is updated. 1，Other minor fixes. Result screen does not reflect the level of some weapons, etc. 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.
2024/7/5 Update details. If title shows ver.EA_3151, the game is updated. 1，Implementation of the Early Access limited helmet "Lucifel G" 2，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.
Thank you so much for playing the EA version of "STARNAUT"! 1, The date of release of the full version of "STARNAUT" We are working hard for making the full version of "STARNAUT" which is currently in EA. We are aiming to finish the production and release it on Summer, 2024! In the full version of the game, we are planning to add the following below. ・ More than 20 additional levels ・ New weapo…
2024/6/28 Update details. If title shows ver.EA_3133, the game is updated. 1，Implementation of the Early Access limited helmet "Enoch R" 2，Add 3 new data to the Lost Data "Wonderful" 3，Added an option to proceed to the next stage after clearing the game (main stage only). 4，Other minor fixes. We will continue to develop the game with the fix of serious problems as our top priority. Thank you fo…
2024/6/19 Update details. If title shows ver.EA_3090, the game is updated. 1，Added a cutscene for putting on the helmet at the beginning of the stage. It can be skipped by turning on “Skip cutscenes” in the game options menu. 2，Changed the dialog text in the opening sequence. 3，Changed the visual effect of supplying oxygen. 4，Other minor fixes. We will continue to develop the game with the fix…
2024/6/7 Update details. If title shows ver.EA_3030, the game is updated. 1，Fixed a bug in the El Shaddai collaboration stage "Michael's Hand" that caused some subtitles to be cut off. 2，Fixed a bug that caused the camera to sink into object in some situations. 3，Fixed a bug in which the gauge for weapons that have already been upgraded would blink. 4，Addition of cut scene skip function at the…
2024/5/31 Update details. If title shows ver.EA_2997, the game is updated. ▼ Fixed items. 1，El Shaddai Collaboration started. The El Shaddai collaboration stage "Michael's Hand" has been implemented. It can be played from the collaboration square "X-02" in the sub-stage. Collaboration helmet "Enoch" was added to the store. Collaboration achievements have been added. 2，The tutorial stage has bee…
【STARNAUT Collaboration Information】 Complete El Shaddai trailer! ... Maybe! The collaboration starts on May 31, 2024! You can move the camera with that Michael's hand! Transplanting the model actually used in El Shaddai! Enoch and Lucifer helmets will also be available! Please stay tuned! スターノート（Steam） スターノート公式Xアカウント 竹安佐和記Xアカウント
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Announcements are the developer’s own posts to the game’s Steam news feed: updates and their patch notes, in-game events, releases and sales. The important ones are marked on the players chart.