Submansion

Aug 15, 2025 2 platforms

Adventure video game Indie Visual novel

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.

Track the collection you actually own — yourself, or with your AI assistant.

Free, no card, and your collection stays yours to export.

Free, no card, yours to export.

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Released

August 15, 2025Worldwide

Also known as

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Versions

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Standalone expansions

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Languages

2 languages

English subtitles · interface
Ukrainian subtitles · interface

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