Single-player games like Room 0
Below are 8 single-player Steam games similar to Room 0, 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 Room 0 page.
Ranked picks
- 1

Mental Hospital - Child of Evil
Single-player alternative to Room 0 — playable solo, no multiplayer required. Shares Action and Indie with Room 0.
Mental Hospital is a truly scary first-person stealth horror game. Discover heart-thumping terror, chase and scary creatures in this atmospheric horror game.
- 2

Shattered Truth
Single-player alternative to Room 0 — playable solo, no multiplayer required. Shares Action and Adventure with Room 0.
Explore a mysterious house filled with terrifying secrets. Armed with only a gun and flashlight, search for clues, survive dangerous encounters, and unravel the shocking truth behind the eerie silence in The Shattered Truth.
- 3

The Cursed Legacy
Single-player alternative to Room 0 — playable solo, no multiplayer required. Shares Action and Indie with Room 0.
The Cursed Legacy is a Puzzle Game set in a dark and mysterious atmosphere. Keep calm and solve the riddles to unravel this strange disappearance. But be careful, you're not alone!
- 4

Summon: Joint escape
Single-player alternative to Room 0 — playable solo, no multiplayer required. Shares Action and Indie with Room 0.
Summon: Joint Escape is a cooperative horror survival game for 1-4 players. Find a way to escape from a stalker in camouflage uniform who wants to give you a piece of paper with the inscription "Summon".
- 5

House of Ghosts
Single-player alternative to Room 0 — playable solo, no multiplayer required. Shares Action and Indie with Room 0.
House of ghosts is a single-player horror survival game. Stop the demon and find out the name of his victim before he drags you to hell. Run and hide. Just don't get caught.
- 6

Feigning Innocence
Single-player alternative to Room 0 — playable solo, no multiplayer required. Shares Indie and Adventure with Room 0.
Feigning Innocence is a Linear Horror game where you will Explore the ominous Blackthorn Castle, uncover dark secrets, solve intricate puzzles, and confront horrifying creatures. Will you find your partner and unravel the truth, or become another lost soul?
- 7

SO BELOW
Single-player alternative to Room 0 — playable solo, no multiplayer required. Shares Action and Indie with Room 0.
Gear up, hunt, adapt, survive. Engage in a co-op survival horror experience with up to 4 players online. Explore the haunted location, find the clues and tools needed to complete the ritual and defeat the entity. Will you be able to survive?
- 8

Blair Witch VR
Single-player alternative to Room 0 — playable solo, no multiplayer required. Shares Indie and Adventure with Room 0.
Blair Witch: VR Edition is a story-driven psychological horror game from the creative minds behind the critically acclaimed The Medium. Experience first-hand the toll that fear can take on the mind in an original story inspired by the cinematic lore of Blair Witch, designed for Virtual Reality.