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100% positive of 65 · Very Positive · Live from Steam
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Interacting with the unidentified life form “Kuon”, we move forward with the pain. A surreal, mysterious fancy adventure.
Live data from Steam, tracked by SteamPlayerBase.
What changed on Steam for this game since we started following it: prices and sales, builds, name, release date and review score.
Review score: 100% on 2026-11-01 → 100% today (65 reviews)
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1 item on Steam, newest first.

Every build released on Steam for this game since we started tracking it, with the developer's patch notes. Updated within minutes of each new build.
Due to a misconfiguration when uploading the Korean version, there was a temporary issue where Japanese could not be selected. This issue has now been fixed, and Japanese is available again as expected. The problem was caused by both the Korean and Japanese ve…
1)Added operation manual before the opening movie. 2)Correction of typos and omissions 3)Fixed other bugs. The phenomenon where the standing picture flickers could not be corrected at this time. We apologize for this.
Hello everyone, and long time no see!As mentioned in the title, we are pleased to announce the online sales of MORSOMNIA:0 goods and art book. ● Art Book (A4 / 74 pages) This book compiles character settings from MORSOMNIA:0, as well as in-game maps and still …
Hello, everyone.It's been a while, but MORSOMNIA:0 celebrated its six-month anniversary on July 30!We are overwhelmed with gratitude to everyone who has played the game! To commemorate this milestone, we drew a picture featuring all the characters. Yay!◆Future…
MORSOMNIA:0(모르솜니아: 제로) Announcement of Korean version implementation Hello everyone! We have implemented the Korean version in today's update. Mr. 솜 was in charge of the translation. Thank you. X:@Core__rom ●How to Switch Languages● Select Properties from Stea…
みなさんこんにちは! 3/19にアップデートを行いました。以下詳細です。 ・トゥルーエンドクリア後、おまけ部屋にスチル閲覧モードを追加 (テキストも少しだけ追加しています。要チェック!※ネタバレなのでモザイクをかけています) ・2階「植物ラボ」左端にいる猫ちゃん研究員から、何回でもにぼしを貰えるようにしました (特に新しいアイテムが追加されるわけではありません。猫ちゃんに無限にぼしをやりたい人向けです) ・3階「カフェ」でスバルとの会話イベントを済ませた後、「バルコニー」で休憩中のホシノと少し会話できる...
Hello everyone! MORSOMNIA:0 (MORSOMNIA:ZERO) Release will start from 1/30. We hope you enjoy it. (This is a machine-translated notice. Thank you for your understanding.)
Hello everyone! Due to quality improvement, we are changing the release date of “MORSOMNIA:0”. Before change:Early November 2024 After the change: Late January 2025 We are very sorry that we will not be able to release the product by the end of 2024 as planned…
The store page was opened to the public on 8/22. A brief character introduction page is also available. (This information is from the demo version.) MORSOMNIA:0 You can also view the trailer videos individually, so please take a peek! I'm using a translator.So…