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Discover Social

Submansion

Main game

Released Aug 15, 2025

Technical details

Genres: Adventure
Indie
Visual Novel
Platforms: Linux

TW

Avg. rating
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Rank
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Players: 0 players are playing or have played, beaten, or dropped this game
Custom lists: Included in 0 custom lists

Main story—

Complete—

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.

PC (Microsoft Windows)

Game modes

Single player

Complete release history (2)

Linux · Aug 15, 2025
Worldwide · Exact date · Full release · IGDB
PC (Microsoft Windows) · Aug 15, 2025
Worldwide · Exact date · Full release · IGDB

Catalog sources

Catalog sources

IGDB (opens in a new tab)

Images

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27 achievements available.

Search achievements

Hidden achievement
Hidden until unlockedSteam
Hidden achievement
Hidden until unlockedSteam
Favorite
Gain the favor of Keykeeper
LockedSteam
Chronoturn
Turn back time
LockedSteam
Connoisseur of stories
Listen to all the stories of the Archaeologist
LockedSteam
Souuuup!
Find the key at the bottom of the pan
LockedSteam
I am cook
Find the ingredients for the soup the first time
LockedSteam
Hidden achievement
Hidden until unlockedSteam
We don't understand you
Meet the mysterious personality in the depths of the wardrobe
LockedSteam
Minotaur?
Go through the wardrobe without giving a single correct answer
LockedSteam
Decadence
Bring life back to the music room
LockedSteam
Master of all trades
Play a melody without missing a beat
LockedSteam
Hidden achievement
Hidden until unlockedSteam
Daredevil
Meet the unknown
LockedSteam
Hidden achievement
Hidden until unlockedSteam
Hidden achievement
Hidden until unlockedSteam
Majestic Aconitum
Meet him
LockedSteam
Hidden achievement
Hidden until unlockedSteam
You have disappointed Chief
Disappoint Chief for the second time
LockedSteam
Left-right-hand
Dance with Keykeeper
LockedSteam
Darkness
Get to know Darkness
LockedSteam
Hidden achievement
Hidden until unlockedSteam
The truth
Find out the truth
LockedSteam
Hidden achievement
Hidden until unlockedSteam
Hidden achievement
Hidden until unlockedSteam
Hidden achievement
Hidden until unlockedSteam
Hidden achievement
Hidden until unlockedSteam

Community notes

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