Necro Mutex

Old-school horror shooter playable on a monitor or in VR

Denormalizer · Released Feb 8, 2019

Reviews: Very Positive; 86% of 65
Recent reviews: Not enough recent
Players: 0; daily peak, Oct 29, 2026
Steam Deck: Untested
Last update on Steam: 6 years ago; Oct 22, 2020
Minimum PC: GeForce GTX 770; 8 GB RAM · 20 GB disk; Full requirements

What is Necro Mutex?

A free-to-play, single-player first-person shooter set aboard a space station whose operating system has turned the crew into undead monsters. You choose from 10,000 maps in any order, spend completion rewards on weapons and skills, and search for an escape pod before the station self-destructs.

For you if...

+you enjoy chasing high scores and tackling optional map challenges

Not for you if...

−you prefer combat without gore or horror imagery

What players say

86% of 65 reviews are positive

Players praise the relentless combat and unusual enemy designs. Some criticize the VR controls.

Screenshots and trailer

Necro Mutex system requirements

Minimum: GeForce GTX 770, 8 GB RAM, 20 GB of disk space.

As published by the developer.

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Minimum

OS: Windows 7 and above.
Processor: Intel Core i5-6400 @ 2.70GHz
Graphics: GeForce GTX 770, Radeon R9 380.
Memory: 8 GB RAM
Storage: 20 GB available space
DirectX: Version 11
Notes: The minimum requirements for normal PC play are not suitable for VR play.

Does Necro Mutex have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Single-player

Does Necro Mutex 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
Achievements: 38
Steam features: Family Sharing, VR
Languages: Full audio: English. Text only: Japanese, Korean, Simplified Chinese.

Does Necro Mutex 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 28, 2026. How to filter AI games on Steam