Single-player games like Rustmourne
Below are 8 single-player Steam games similar to Rustmourne, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Rustmourne page.
Ranked picks
- 1
Cargo Breach
Single-player alternative to Rustmourne — playable solo, no multiplayer required. Shares Action with Rustmourne.
Cargo Breach is an Intense VR Arcade Shooter with Unique Weapon Mechanics. You hunt down escaped creatures in dark atmospheric spaceship corridors. All presented in stunning AAA graphics.
- 2
Alien: Isolation
Single-player alternative to Rustmourne — playable solo, no multiplayer required. Shares Action with Rustmourne.
Discover the true meaning of fear in Alien: Isolation, a survival horror set in an atmosphere of constant dread and mortal danger.
- 3
Dead Space
Single-player alternative to Rustmourne — playable solo, no multiplayer required. Shares Action with Rustmourne.
The sci-fi survival-horror classic returns, completely rebuilt to offer an even more immersive experience — including visual, audio, and gameplay improvements — while staying faithful to the original game’s thrilling vision.
- 4
A-Tech Cybernetic VR
Single-player alternative to Rustmourne — playable solo, no multiplayer required. Shares Action with Rustmourne.
Built exclusively for VR, A-Tech Cybernetic's Story Mode will offer hours of explosive fun, while Swarm Mode will test your grit in a sci-fi nightmare scenario. Stop the mutant invasion at a futuristic megacorp, controlling an arsenal of weapons with real life movements!
- 5
Syndrome
Single-player alternative to Rustmourne — playable solo, no multiplayer required. Shares Action with Rustmourne.
Syndrome, a sci-fi survival horror game that places you in a living hell inside a doomed starship. Find out what happened to your lost crew. Run. Hide. Fight. Survive.
- 6
Prey
Single-player alternative to Rustmourne — playable solo, no multiplayer required. Shares Action with Rustmourne.
In Prey, you awaken aboard Talos I, a space station orbiting the moon in the year 2032. You are the key subject of an experiment meant to alter humanity forever – but things have gone terribly wrong. The space station has been overrun by hostile aliens and you are now being hunted.
- 7
Maid of Sker
Single-player alternative to Rustmourne — playable solo, no multiplayer required. Shares Action with Rustmourne.
Maid of Sker is a first-person survival horror, set in a remote hotel with a gory and macabre history from Welsh folklore. Brave the nightmares of the Quiet Ones. Do not panic…don’t even breathe!
- 8
ROUTINE
Single-player alternative to Rustmourne — playable solo, no multiplayer required. Shares Action with Rustmourne.
ROUTINE is a First Person Sci-Fi Horror set on an abandoned lunar base designed around an 80s vision of the future. Explore and investigate your surroundings as you survive against unknown threats.