Single-player games like The Experiment
Below are 11 single-player Steam games similar to The Experiment, 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 Experiment page.
Ranked picks
- 1
Bunker Invaders
Single-player alternative to The Experiment — playable solo, no multiplayer required. Shares Action and Indie with The Experiment.
A co-op horror game where you must scavenge for loot and maintain the bunker to keep it standing
- 2
Backrooms: Extractions
Single-player alternative to The Experiment — playable solo, no multiplayer required. Shares Action and Indie with The Experiment.
Cooperate with up to 6 players to explore, search, and extract lost agents within the Backrooms. Solve puzzles, unlock tools, survive against entities, and progress through increasingly dangerous levels.
- 3
The Outlast Trials
Single-player alternative to The Experiment — playable solo, no multiplayer required. Shares Action and Indie with The Experiment.
Red Barrels invites you to experience mind-numbing terror, this time with friends. Whether you go through the trials alone or in teams, if you survive long enough and complete the therapy, Murkoff will happily let you leave… but will you be the same?
- 4
DYSTHANASIA
Single-player alternative to The Experiment — playable solo, no multiplayer required. Shares Action and Indie with The Experiment.
You awaken in a cold unfamiliar building crawling with grotesque creatures. Stave off terror using your wits and anything you can find, then try to make it out alive in this highly atmospheric environmental horror game.
- 5
Resident Evil Requiem
Single-player alternative to The Experiment — playable solo, no multiplayer required. Shares Action and Adventure with The Experiment.
Requiem for the dead. Nightmare for the living. Prepare to escape death in a heart-stopping experience that will chill you to your core.
- 6
CRYO
Single-player alternative to The Experiment — playable solo, no multiplayer required. Shares Action and Indie with The Experiment.
CRYO is a multiplayer co-op survival horror for 1-4 players. You have been deployed by your company to various locations around the Antarctic due to communication issues. What awaits you in these dark, remote regions is far more sinister than a technical fault...
- 7
The Evil Within 2
Single-player alternative to The Experiment — playable solo, no multiplayer required. Shares Action and Adventure with The Experiment.
Detective Sebastian Castellanos has lost everything, including his daughter, Lily. To save her, he must descend into the nightmarish world of STEM. Horrifying threats emerge from every corner, and he must rely on his wits to survive. For his one chance at redemption, the only way out is in.
- 8
Nuclear Nightmare
Single-player alternative to The Experiment — playable solo, no multiplayer required. Shares Action and Indie with The Experiment.
Venture forth as part of a specialized team of fellow players tasked with retrieving classified materials, evading the black goo virus, and the nightmarish entities it has spawned. With time running out before the US government initiates a devastating nuclear strike to contain the spreading menace.
- 9
Scary Maze Game
Single-player alternative to The Experiment — playable solo, no multiplayer required. Shares Indie and Adventure with The Experiment.
You and up to 5 friends need to find the exit of a maze, beware of the monster that lurks in the shadows.
- 10
Cargo Duty
Single-player alternative to The Experiment — playable solo, no multiplayer required. Shares Indie and Casual with The Experiment.
Your crew is on a mission to collect cargo. As you are going from moon to moon, there are creatures who will try and stop you. How long will you survive ?
- 11
The Bunker
Single-player alternative to The Experiment — playable solo, no multiplayer required. Shares Action and Indie with The Experiment.
Go throughout an abandoned bunker with your friends collecting all the notepads. Beware of the zombies that lurk within.