Quartermain and the Cult of Cthulhu

Retro first-person shooter pitting you against Nazis and occult monsters

ThePrinceOfMars · Published by DOSMan Games · Released May 22, 2025

Reviews: Very Positive; 91% of 97
Recent reviews: Not enough recent
Players: 0; daily peak, Oct 28, 2026
Steam Deck: Untested
Last update on Steam: 7 months ago; Mar 22, 2026
Minimum PC: GTX 1050; 4 GB RAM · 0.5 GB disk; Full requirements

What is Quartermain and the Cult of Cthulhu?

A single-player first-person shooter set in Nazi Germany, where you help an acquaintance smuggle out an artifact that can transport armies across dimensions. You use a range of guns to fight through levels, including one set on a train.

For you if...

+you like fast combat and hunting for secrets
+you enjoy campy storytelling and voiced characters

Not for you if...

−you prefer compact levels with little exploration
−you want realistic visuals rather than pixel art

What players say

91% of 97 reviews are positive

Players praise the level design, gunplay, and amount of content for the price. A recurring complaint is uneven weapon balance, with some players finding later guns weaker than the starting revolver.

Screenshots and trailer

Quartermain and the Cult of Cthulhu screenshot 1

Quartermain and the Cult of Cthulhu system requirements

Minimum: GTX 1050, 4 GB RAM, 0.5 GB of disk space.

As published by the developer.

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Minimum

OS: Windows 10 / 11
Processor: Intel Core i7-9700K | AMD Ryzen™ 5 5600 6-Core or above
Graphics: NVIDIA GTX 1050, RX 560
Memory: 4 GB RAM
Storage: 500 MB available space
DirectX: Version 12

Does Quartermain and the Cult of Cthulhu have co-op or multiplayer?

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

Single-player

Does Quartermain and the Cult of Cthulhu 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: 27
Steam features: Cloud saves, Family Sharing
Languages: Full audio: English.

Does Quartermain and the Cult of Cthulhu 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