

Mannequin Syndrome
Players investigate mannequin-controlled zones, perform rituals and survive corrupted AI entities together.
Developer unknown
Playing together
- Online co-op
- 1 source
- Players in online co-op
- 1 source
- Players online
- 1 source
- Free to play
- 1 source
- Early access
- 1 source
- Not known yet
- Online versus, Online multiplayer, Best with, How co-op works, Crossplay, Local co-op, Multiplayer through mods, One copy is enough, Plays in browser, Demo, Playtest
Hover, focus or tap a fact to see where it came from.
How you talk
- Not known yet
- Plays without voice or typing, Wordless tools, Public matchmaking, Friendly with strangers
About the game
Investigate mannequin-controlled zones, perform rituals, and survive encounters with corrupted AI entities. Mannequin Syndrome is a 1–4 player co-op psychological horror game where every move counts. Explore, uncover the truth, and escape—if you can.
Screenshots





Why we rate it this way
- 43% positive from 40 Steam reviews.
Steam, checked 1 Nov 2026Num reviews: 1Review score: 5Review score desc: MixedTotal positive: 17Total negative: 23Total reviews: 40{"num_reviews":1,"review_score":5,"review_score_desc":"Mixed","total_positive":17,"total_negative":23,"total_reviews":40}
Sources
- IGDBhttps://www.igdb.com/games/mannequin-syndromechecked 1 Nov 2026
- Steamhttps://store.steampowered.com/app/3722510/checked 2 Nov 2026
First listed 1 Nov 2026. Updated 2 Nov 2026.