Evil Mansion

First-person social deduction with hidden killers in a former cult mansion

Ceeeb Studio · Released Mar 27, 2021 · Early Access

Early Access, no updates for over a year

Reviews: Mostly Positive; 77% of 171
Recent reviews: Not enough recent
Players: 0; daily peak, Oct 28, 2026
Steam Deck: Untested
Last update on Steam: 5 years ago; Aug 13, 2021
Minimum PC: GTX 1050ti; 8 GB RAM · 3 GB disk; Full requirements

What is Evil Mansion?

A free-to-play, first-person online social deduction game about investigating a mansion after a paranormal research team disappears. Matches require at least five players: employees win by recovering monitoring data or killing the impostors, while impostors try to kill every employee. Different roles start with a pistol, carry medical supplies to treat dying players, or identify killers by examining bodies.

For you if...

+you like hidden roles and competing team objectives
+you enjoy investigating other players with role-specific tools

Not for you if...

−you want a single-player horror investigation
−you prefer teamwork without hidden enemies among your allies

What players say

77% of 171 reviews are positive

Players praise playing with a group of friends. Older reviews repeatedly complain about difficulty finding other players online.

Screenshots and trailer

Evil Mansion system requirements

Minimum: GTX 1050ti, 8 GB RAM, 3 GB of disk space.

As published by the developer.

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Minimum

OS: Windows 10
Processor: Intel I5- 4590
Graphics: GTX 1050ti
Memory: 8 GB RAM
Storage: 3 GB available space
DirectX: Version 9.0

Does Evil Mansion have co-op or multiplayer?

Yes: PvP online. There is no single-player mode. With Remote Play Together, one copy is enough to play the local modes online with friends.

Does Evil Mansion run on Steam Deck?

Untested Not yet tested by Valve on Steam Deck.

PC version details

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows
Steam features: Family Sharing
Languages: Full audio: English, Simplified Chinese.

Does Evil Mansion use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam