Single-player games like the DEEP LOST
Below are 9 single-player Steam games similar to the DEEP LOST, 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 the DEEP LOST page.
Ranked picks
- 1

Project Vic
Single-player alternative to the DEEP LOST — playable solo, no multiplayer required. Shares Action and Indie with the DEEP LOST.
As a freelance journalist, you receive a tip-off from a policeman friend about a death. You immediately make your way to the scene to get a first-hand impression of the case. But shortly after you arrive, you realize that things are not quite right here...
- 2

From Hell
Single-player alternative to the DEEP LOST — playable solo, no multiplayer required. Shares Action and Indie with the DEEP LOST.
From Hell is a first-person psychological horror game that focuses on creating fear and tension for the player.
- 3

Somnus Corporation
Single-player alternative to the DEEP LOST — playable solo, no multiplayer required. Shares Indie and Adventure with the DEEP LOST.
A psychological anomaly detection horror game set inside a collapsing dream simulation. Report inconsistencies. Question reality. Decide what consciousness is worth.
- 4

KARJALA
Single-player alternative to the DEEP LOST — playable solo, no multiplayer required. Shares Action and Indie with the DEEP LOST.
A hot-tempered private of the Soviet army is sent through a portal to the Backrooms behind a fight with an officer, he needs to find a missing scientists. Monsters are hunting him, and the offended commander is trying to trap him. Will the soldier be able to survive and return?
- 5

Turning Manor
Single-player alternative to the DEEP LOST — playable solo, no multiplayer required. Shares Indie and Adventure with the DEEP LOST.
All you have to do is count the differences and choose an exit. Easy right? Yet strange things start happening as soon as you sign the job contract… It's up to you to uncover what is happening at Turning Manor.
- 6

Something on the Floor
Single-player alternative to the DEEP LOST — playable solo, no multiplayer required. Shares Indie and Adventure with the DEEP LOST.
You are left alone in a hotel where everyone has disappeared. Search the endlessly repeating floors for hidden anomalies, eliminate them, and escape. Trust nothing. Something is on this floor.
- 7

15th Prison
Single-player alternative to the DEEP LOST — playable solo, no multiplayer required. Shares Action and Indie with the DEEP LOST.
15th Prison is a horror escape game. There is no exit from this prison. But examine your surroundings carefully and do not ignore any abnormalities. Take the envelope in each block and move on. Your carelessness may result in death.
- 8

Reality Breach
Single-player alternative to the DEEP LOST — playable solo, no multiplayer required. Shares Action and Indie with the DEEP LOST.
Reality Breach is a first-person psychological horror game where your own creation turns against you. Step into the shoes of an exhausted indie developer trapped in a shifting home studio, evading a relentless entity born from your own corrupted code.
- 9

HUDDAM
Single-player alternative to the DEEP LOST — playable solo, no multiplayer required. Shares Action and Indie with the DEEP LOST.
HÜDDAM is a type of psychological horror blended with Turkish culture.-singleplayer-puzzle-horror-thriller-open world-FPS style it is a game.Requirements as a story and reaching the goal.Find the Patient as a Hodja,solve puzzles,Investigate the Underlying Cause.