Mortanis Prisoners

First-person survival horror with supernatural threats in a concentration camp

Alexey Bulgakov, Vladimir Zlobin · Published by Honor Games · Released Jul 23, 2025

Reviews: Mostly Positive; 77% of 73
Recent reviews: Not enough recent
Players: 0; daily peak, Oct 28, 2026
Steam Deck: Untested
Last update on Steam: 1 year ago; Jul 7, 2025
Minimum PC: GTX 760; 6 GB RAM · 14 GB disk; Full requirements

What is Mortanis Prisoners?

A single-player, first-person survival horror game set in a Third Reich concentration camp, where authorities order executions after discovering a planned rebellion. You explore the camp, shoot enemies, solve puzzles, and manage your inventory.

For you if...

+you prefer brief horror games over lengthy campaigns
+you like conserving ammunition rather than firing freely

Not for you if...

−you want fast movement and a consistently brisk pace

What players say

77% of 73 reviews are positive

Players praise the atmosphere and period environments. Recurring complaints concern thin storytelling and puzzles that some players find too easy.

Screenshots and trailer

Mortanis Prisoners system requirements

Minimum: GTX 760, 6 GB RAM, 14 GB of disk space.

As published by the developer.

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Minimum

OS: Windows 7, 8, 10 (64-bit)
Processor: Intel® Core™ i5-2520 or AMD FX™-6300 or better
Graphics: NVIDIA® GeForce® GTX 760 or AMD Radeon™ R7 260x with 2GB Video RAM
Memory: 6 GB RAM
Storage: 14 GB available space
DirectX: Version 11
Notes: HIGHLY recommended to install this game on your system SSD. This game is expected to run at 1080p and 60 FPS on low settings.

OS: Windows 7, 8, 10 (64-bit)
Processor: Intel® Core™ i7-3770 or AMD FX™-9590 or better
Graphics: NVIDIA® GeForce® GTX 1060 or AMD Radeon™ RX 480 with 3GB VRAM
Memory: 16 GB RAM
Storage: 14 GB available space
DirectX: Version 11
Notes: HIGHLY recommended to install this game on your system SSD. This game is expected to run at 1080p and 60 FPS on low settings.

Does Mortanis Prisoners have co-op or multiplayer?

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

Single-player

Does Mortanis Prisoners run on Steam Deck?

Untested Not yet tested by Valve on Steam Deck.

PC version details

DRM: None declared on Steam
Controller: Full controller support
Platforms: Windows
Achievements: 7
Steam features: Family Sharing
Languages: Full audio: English. Text only: Russian.

Does Mortanis Prisoners use AI-generated content?

Steam's data marks it as containing AI-generated content, but its Steam page had no statement from the developers when we checked it.

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