Umbra Mortis

Co-op first-person shooter against undead carnival crowds in Venice

Dead Head Studios · Published by Breda University of Applied Sciences · Released Jun 3, 2025

Reviews: Very Positive; 81% of 70
Recent reviews: Not enough recent
Players: 0; daily peak, Oct 28, 2026
Steam Deck: Untested
Last update on Steam: 1 year ago; Jul 8, 2025
Minimum PC: 2070; 8 GB RAM · 2 GB disk; Full requirements

What is Umbra Mortis?

This free-to-play first-person shooter supports three-player online co-op, casting you as members of a secret organization sent to purge a magically corrupted Venice. You fight through city streets toward a church, using blessed rifles, explosives, and an artifact that heals wounds and harms enemies.

For you if...

+you want a short shooter to play with friends

Not for you if...

−you prefer exploration and dialogue over frequent combat

What players say

81% of 70 reviews are positive

Players praise the religious carnival-horror style and the bell ability. Complaints focus on poor optimization and limited control settings, including missing key rebinding and mouse inversion.

Screenshots and trailer

Umbra Mortis system requirements

Minimum: 2070, 8 GB RAM, 2 GB of disk space.

As published by the developer.

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Minimum

OS: 10
Processor: Intel Core i5-8250U
Graphics: NVIDIA GeForce 2070
Memory: 8 GB RAM
Storage: 2 GB available space
DirectX: Version 12

Does Umbra Mortis have co-op or multiplayer?

Yes: co-op online. There is no single-player mode.

Does Umbra Mortis 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: 17
Steam features: Family Sharing
Languages: Text only: English.

Does Umbra Mortis 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