
Game Overview
Nazi Germany becomes the staging ground for a pulpy occult hunt where ancient cosmic horror collides with guns-blazing adventure. You play a hard-edged treasure hunter pursuing the Ostium Magicae, an artifact with the power to move armies between places and even worlds, before its new owner and the Reich can weaponize it. The tone lands somewhere between old serial adventure fiction and grim Lovecraftian nightmare: secret ruins, fanatical soldiers, impossible creatures, and a hero who answers most problems with overwhelming firepower. Rather than dwelling on slow-burn dread, it turns eldritch terror into a fast, loud survival fight.
Combat follows classic boomer-shooter rules, rewarding constant movement, sharp aim, weapon swapping, and a willingness to hunt down every hidden supply cache. Large, maze-like stages send you through dangerous interiors and hostile landscapes packed with Nazis, cultists, monsters, traps, and tucked-away secrets, so progress involves more than simply following a corridor to the exit. A broad selection of guns gives encounters a satisfying arcade rhythm, while enemy variety forces you to react quickly when a room suddenly fills with threats at different ranges. Set pieces such as a battle aboard a train break up the level-to-level push and give the campaign a stronger sense of momentum than a simple arena shooter.
Its biggest strength is the committed blend of inspirations: Wolfenstein-style Nazi blasting, Indiana Jones-flavored artifact hunting, tabletop fantasy weirdness, and Cthulhu mythology all occupy the same deliberately exaggerated universe. Chunky retro visuals and a driving old-school soundtrack reinforce the throwback presentation without asking players to treat the story with excessive seriousness. Secret hunting and sprawling maps make it especially appealing to players who enjoy replaying levels for missed routes and resources rather than racing straight to the credits. Fans of DUSK, classic Doom, and Wolfenstein 3D should find plenty to like, while newcomers get a compact, accessible introduction to the speed and aggression of retro FPS design.
Screenshots
Installation
- Select the Download button at the top of this page to open UploadHaven.
- On UploadHaven, wait for any countdown, then select Free Download. Optional: UploadHaven Pro for faster downloads.
- When complete, extract the archive to a Quartermain and the Cult of Cthulhu folder using 7-Zip.
- Open the extracted folder and start the game normally.
- For errors, check Setup Guide & Troubleshooting below. Keep your security software enabled.
System Requirements
- OS: Windows 10 / 11
- Processor: Intel Core i7-9700K | AMD Ryzen™ 5 5600 6-Core or above
- Memory: 4 GB RAM
- Graphics: NVIDIA GTX 1050, RX 560
- DirectX: Version 12
- Storage: 500 MB available space
- Sound Card: Onboard audio
Setup Guide & Troubleshooting
How do I fix missing DLL errors for Quartermain and the Cult of Cthulhu?
After extracting Quartermain and the Cult of Cthulhu, navigate to the _Redist or _CommonRedist folder inside the game directory and install DirectX, Vcredist, and any other dependencies included.
What should I do if the downloaded file is corrupted?
The full archive is 565.00 MB — make sure your download completed fully before extracting. Use 7-Zip to extract the files. If you still see a "file corrupted" error, re-download and try again.
Do I need to run the game as administrator?
Usually, no. Start the game normally from the extracted folder. If you see a permissions or save error, check that the folder is writable and follow the game's documented fix. Only grant administrator access when a trusted game's specific setup requires it.
How do I update my GPU drivers for this game?
The game won't launch — what should I try?
Check that extraction completed and your PC meets the system requirements, including Version 12. Note any error message before choosing a fix. If it identifies a missing runtime, install the required DirectX components or Microsoft Visual C++ Redistributable from Microsoft.
My antivirus is blocking the game — is it safe?
A warning needs to be investigated; the download source alone cannot confirm that a file is safe. Keep your security software enabled and review the detection details. Do not run or restore a flagged file unless you have verified that it is a false positive. If you are unsure, leave it quarantined.