Mouthwashing to Arrive on Xbox Game Pass October 29
The psychological horror title joins the subscription service following its recent recognition as a standout indie game.
Updated on Oct. 26, 2026 in Gaming
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Microsoft is adding the psychological horror title Mouthwashing to the Xbox Game Pass catalog on October 29, 2026. Developed by Wrong Organ, the game is set aboard a freight spaceship following a catastrophic explosion.
Why it matters
The addition of this award-winning title to the subscription service provides users access to a critically acclaimed indie game without additional purchase. It expands the platform library with a narrative-heavy experience that emphasizes puzzles and atmosphere over combat.
Mouthwashing offers a narrative-driven experience with a playthrough length of approximately 3 hours. The game eschews traditional combat mechanics to prioritize atmospheric puzzle solving and non-linear storytelling.
The players
Microsoft
The technology corporation that owns and manages the Xbox Game Pass subscription platform.
Wrong Organ
The independent game development studio responsible for creating the psychological horror title Mouthwashing.
The details
Players assume control of survivors navigating the aftermath of a spaceship accident, with the plot unfolding through a non-linear timeline. This unique structural approach is a defining feature of the game, which previously secured the Best Hidden Gem award at the 2025 New York Game Awards.
Timeline
Artic Eggs was added to the Xbox Game Pass platform on October 19, 2026.
The Seance of Blake Manor is scheduled to arrive on the platform on October 27, 2026.
Mouthwashing will be available for subscribers on October 29, 2026.
Culture Shift
This release follows the trend of subscription platforms prioritizing smaller, critically acclaimed indie projects to bolster their catalogs. It aligns with the wider industry movement that values concise, narrative-focused experiences alongside traditional blockbuster titles.
Subscribers can access the full game at no additional cost as part of their existing monthly membership fee. The 3-hour runtime makes it a highly accessible option for players looking for a focused, evening-length psychological experience.
The takeaway
Mouthwashing offers a concentrated narrative experience that rewards players who enjoy non-linear storytelling and psychological puzzles. Gamers should plan for a brief session, as the game is designed to be completed in a single short playthrough.
Further reading
Explore more industry updates and software releases in the Gaming section.
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