Single-player games like Altitude Zero
Below are 9 single-player Steam games similar to Altitude Zero, 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 Altitude Zero page.
Ranked picks
- 1
GRINDWORM
Single-player alternative to Altitude Zero — playable solo, no multiplayer required. Shares Indie and Adventure with Altitude Zero.
A horror game where you're buried alive in a collapsed underground mine, and your only hope for survival is an old mining machine. Workplace safety rules no longer apply. Just remember: DON'T. STOP. DIGGING.
- 2
Exit Dream
Single-player alternative to Altitude Zero — playable solo, no multiplayer required. Shares Indie and Adventure with Altitude Zero.
A free first-person horror game about dream puzzles - unsettling, surreal and built on strange logic.
- 3
Submergent
Single-player alternative to Altitude Zero — playable solo, no multiplayer required. Shares Adventure and Simulation with Altitude Zero.
Explore and navigate an underwater cave in your submarine.
- 4
VENERA 31
Single-player alternative to Altitude Zero — playable solo, no multiplayer required. Shares Simulation with Altitude Zero.
The orbital eyes are gone. You are the last operator watching Venus. Scan a hostile surface through a dying camera and verify what's growing down there — before the signal, and the truth, go dark for good.
- 5
Isolomus
Single-player alternative to Altitude Zero — playable solo, no multiplayer required. Shares Indie and Adventure with Altitude Zero.
Bite-sized surreal horror with multiple choices. Make your own way through the claymation madness!
- 6
LIMBO
Single-player alternative to Altitude Zero — playable solo, no multiplayer required. Shares Indie and Adventure with Altitude Zero.
Uncertain of his sister's fate, a boy enters LIMBO
- 7
REPOSE
Single-player alternative to Altitude Zero — playable solo, no multiplayer required. Shares Indie and Adventure with Altitude Zero.
In the facility, each step, each shot, each mistake costs precious energy. Rendered entirely in black and white, this mystery can be unravelled. The puzzle can be solved. Don't ask who tried to solve it before. Do the job. Find oxygen and sleep. Go deeper. And don't ask about Aaron.
- 8
Iron Lung
Single-player alternative to Altitude Zero — playable solo, no multiplayer required. Shares Indie and Adventure with Altitude Zero.
A short horror game where you pilot a tiny submarine through an ocean of blood on an alien moon.
- 9
MAZY
Single-player alternative to Altitude Zero — playable solo, no multiplayer required. Shares Indie with Altitude Zero.
A minimalist horror game where you beat minigames to escape while avoiding creepy clowns and deadly traps in a randomly generated maze.