Submansion
Journey into a whimsical mansion in search of the invaluable thing, where Keykeeper will be your guide. Keykeeper has lost all her keys. You must find them to take your invaluable item.
15 August 2025
Submansion is an adventure, released 15 August 2025 on Linux and PC (Microsoft Windows).
What Submansion is
Submansion was released in 2025. It is available on Linux and PC (Microsoft Windows).
The premise, in the publisher's words
Journey into a whimsical mansion in search of the invaluable thing, where Keykeeper will be your guide. Keykeeper has lost all her keys. You must find them to take your invaluable item.
How it plays
It is a single-player game with no multiplayer component.
What it launched against
Submansion launched on 15 August 2025, within three weeks of Hollow Knight: Silksong, Mafia: The Old Country, Metal Gear Solid Delta: Snake Eater and Hell is Us.
Released around the same time: Hollow Knight: Silksong, Mafia: The Old Country, Metal Gear Solid Delta: Snake Eater, Hell is Us.
Screenshots
All media
Quick answers
Submansion — frequently asked questions
When did Submansion come out?
Submansion was released on 15 August 2025 for Linux and PC (Microsoft Windows).
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