Single-player games like THRESHOLD
Below are 8 single-player Steam games similar to THRESHOLD, 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 THRESHOLD page.
Ranked picks
- 1
Mouthwashing
Single-player alternative to THRESHOLD — playable solo, no multiplayer required. Shares Indie and Adventure with THRESHOLD.
The five crew members of the Tulpar are stranded in the empty reaches of space, shrouded in perpetual sunset. God is not watching.
- 2
The Call Button
Single-player alternative to THRESHOLD — playable solo, no multiplayer required. Shares Indie and Adventure with THRESHOLD.
A short horror observation thriller. Could you tell what's real and what isn't? You stole intel from your company. Now you wake up in a hospital every day with two choices: take your medication if something looks wrong, or hit the call button if you're sure the room is safe.
- 3
Where We Used to Play
Single-player alternative to THRESHOLD — playable solo, no multiplayer required. Shares Indie and Adventure with THRESHOLD.
A first-person psychological horror game focused on observation, anomaly detection, and meaningful choices that lead to multiple endings inside a house filled with forgotten memories.
- 4
His Last Film
Single-player alternative to THRESHOLD — playable solo, no multiplayer required. Shares Indie and Adventure with THRESHOLD.
What happened during the filming? Stan doesn't remember. Explore the decaying depths of an abandoned subway station, piece together a fragmented reality, and discover the horrifying truth behind his last film. Some memories are better left unmade.
- 5
Aftershock
Single-player alternative to THRESHOLD — playable solo, no multiplayer required. Shares Indie and Adventure with THRESHOLD.
When your own mind becomes the enemy, can you protect the one who matters most?
- 6
The Milgram Experiment
Single-player alternative to THRESHOLD — playable solo, no multiplayer required. Shares Adventure with THRESHOLD.
A psychological thriller inspired by a disturbing real-life experiment. Handcrafted unsettling ethical dilemmas that will make you question your own morality and test your sanity. Every choice you make brings you closer to a unique ending. Will you sacrifice your own beliefs to obey HIS authority?
- 7
Not Yet
Single-player alternative to THRESHOLD — playable solo, no multiplayer required. Shares Adventure with THRESHOLD.
NOT YET is a first-person psychological horror experience where silence grows heavier the deeper you go, and hesitation becomes its own consequence.
- 8
No one lives under the lighthouse Director's cut
Single-player alternative to THRESHOLD — playable solo, no multiplayer required. Shares Indie and Adventure with THRESHOLD.
A slow burn retro horror game, in which you arrive at the old lighthouse on a small island near the coast of the United States. After the previous keeper has gone missing, you need to take over his duties and watch after the light.