Single-player games like Terror Mansion
Below are 10 single-player Steam games similar to Terror Mansion, 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 Terror Mansion page.
Ranked picks
- 1

Sanguis Luna
Single-player alternative to Terror Mansion — playable solo, no multiplayer required. Shares Indie and Adventure with Terror Mansion.
Sanguis Luna is a first person Horror video game that catapults you into a frightening Mansion. Your main objective is to escape the infested Mansion, finding objects and challenging riddles while exploring incredible scenarios.
- 2

Recovered Occurrence
Single-player alternative to Terror Mansion — playable solo, no multiplayer required. Shares Indie and Adventure with Terror Mansion.
A new home owner begins to experience and capture unsettling occurrences around his property.
- 3

MIND CORRIDORS: Paroniria
Single-player alternative to Terror Mansion — playable solo, no multiplayer required. Shares Indie with Terror Mansion.
A fever-dream-like puzzle horror game. Descend to the depths of a sleeping curse, survive every floor and find your way out of the never ending nightmare.
- 4

Spider Queen cave
Single-player alternative to Terror Mansion — playable solo, no multiplayer required. Shares Indie and Adventure with Terror Mansion.
The student sister who has been secretly in love for a long time has been missing for three months. Tonight, my sister suddenly called and asked me to go to an abandoned villa in the suburbs. I have no choice but to prepare for departure. It is said that the villa is a famous and dangerous house.
- 5

Paradise Killer
Single-player alternative to Terror Mansion — playable solo, no multiplayer required. Shares Indie and Adventure with Terror Mansion.
Paradise Island, a world outside reality. There’s been a murder that only "investigation freak" Lady Love Dies can solve. Gather evidence and interrogate suspects in this open world adventure. You can accuse anyone, but you’ll have to prove your case in trial. It’s up to you to decide who’s guilty.
- 6

What Happened to Lily?
Single-player alternative to Terror Mansion — playable solo, no multiplayer required. Shares Indie and Adventure with Terror Mansion.
What Happened to Lily? Is a real-time first-person horror game. Discover the secrets and spooky truths behind the mysterious event at Miller Farm.
- 7

Backrooms: Lost Tape
Single-player alternative to Terror Mansion — playable solo, no multiplayer required. Shares Indie and Adventure with Terror Mansion.
You work in the cinema as an usher and accidentally fell into the Backrooms, now being trapped, needing to unravel the mysteries of the yellow rooms in order to get out of this place, but be careful, there are entities that will be in your way.
- 8

The Norwood Suite
Single-player alternative to Terror Mansion — playable solo, no multiplayer required. Shares Indie and Adventure with Terror Mansion.
Explore the mysterious Hotel Norwood in this surreal first-person adventure. Curious characters, forgotten secrets, and head-nodding music await your arrival.
- 9

To The Sky
Single-player alternative to Terror Mansion — playable solo, no multiplayer required. Shares Indie and Adventure with Terror Mansion.
To the Sky is an exhilarating action-adventure game where your goal is to reach the sky by overcoming obstacles and scaling towering walls. Be prepared to start anew if you fall while ascending. Challenge yourself, ascend higher, and uncover the mysteries above the clouds in To the Sky.
- 10

Etera
Single-player alternative to Terror Mansion — playable solo, no multiplayer required. Shares Indie and Adventure with Terror Mansion.
What is your purpose inside Etera?