Single-player games like What You Didn't See
Below are 8 single-player Steam games similar to What You Didn't See, 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 What You Didn't See page.
Ranked picks
- 1
Mirror Forge
Single-player alternative to What You Didn't See — playable solo, no multiplayer required. Shares Indie and Adventure with What You Didn't See.
Mirror Forge is a first-person psychological survival horror game. Roam between realities of fear, madness & machinery. Solve puzzles, explore an atmospheric world, survive horrifying entities.
- 2
Heart attack
Single-player alternative to What You Didn't See — playable solo, no multiplayer required. Shares Action and Adventure with What You Didn't See.
There are ghosts in the dark, in order to survive you need to light your way, but all the items for this are limited.
- 3
The Backrooms: Survival
Single-player alternative to What You Didn't See — playable solo, no multiplayer required. Shares Action and Indie with What You Didn't See.
Survival horror with roguelike elements. Explore randomized levels with different items and entities while trying to maintain your thirst, hunger, and sanity, ensuring a new experience every time. Play alone or with up to TEN friends online! Cross-platform multiplayer with Nintendo Switch.
- 4
Pathologic 3
Single-player alternative to What You Didn't See — playable solo, no multiplayer required. Shares Indie and Adventure with What You Didn't See.
In this psychological horror game, you are a doctor with only 12 days to save a town from a mysterious plague. Make ruthless decisions and diagnose with precision. Shape the town's future and rewrite the past. Hold yourself together while it all falls apart.
- 5
I'm on Observation Duty 3
Single-player alternative to What You Didn't See — playable solo, no multiplayer required. Shares Indie and Adventure with What You Didn't See.
A thrilling psychological horror game. Your job is to look for anomalies in a haunted house. If you see anyhting suspicious (furniture moving, extra objects, intruders), take a photo and send a report. Includes both VR- (windows only) and non-VR (windows, mac, linux)-versions.
- 6
Transliminal: Beyond The Backrooms
Single-player alternative to What You Didn't See — playable solo, no multiplayer required. Shares Action and Indie with What You Didn't See.
An unsettling rogue-lite survival horror adventure. Iconic levels reshape around you. Classic and original entities lurk as greater beings bid for your favor. Collect relics and strange items. Grow stronger. Survive, escape, or claim more uncertain fates. Fall in. Get lost. Go beyond The Backrooms.
- 7
SILENT HILL 2
Single-player alternative to What You Didn't See — playable solo, no multiplayer required. Shares Action and Adventure with What You Didn't See.
Investigating a letter from his late wife, James returns to where they made so many memories - Silent Hill. What he finds is a ghost town, prowled by disturbing monsters and cloaked in deep fog. Confront the monsters, solve puzzles, and search for traces of your wife in this remake of SILENT HILL 2.
- 8
The Horrorscope
Single-player alternative to What You Didn't See — playable solo, no multiplayer required. Shares Indie and Adventure with What You Didn't See.
You will answer a series of questions that will reveal your potential fate. These questions may make you uncomfortable, but with great knowledge comes great sacrifice. Can you make it all the way through The Horrorscope, and if you do, are you sure you want the answers you seek?