Games like Rahasya: The Unsolved Mystery
Games like Rahasya: The Unsolved Mystery include Escape the Backrooms, Buckshot Roulette, Phasmophobia, Five Nights at Freddy's: Security Breach, and Pacify. We matched them by the tags players give Rahasya: The Unsolved Mystery on Steam (Horror, Singleplayer, Choices Matter, Online Co-Op, and Multiplayer): closest matches first, and among equally close ones the better-known games.

Escape the Backrooms
Shared: Horror · Online Co-Op · Multiplayer

Buckshot Roulette
Shared: Horror · Multiplayer · Singleplayer

Phasmophobia
Shared: Horror · Online Co-Op · Multiplayer

Five Nights at Freddy's: Security Breach
Shared: Horror · Singleplayer · First-Person

Pacify
Shared: Horror · Online Co-Op · Multiplayer

Dead by Daylight
Shared: Horror · Multiplayer · Online Co-Op

R.E.P.O.
Shared: Horror · Online Co-Op · Multiplayer

Outlast
Shared: Horror · Singleplayer · First-Person

DEVOUR
Shared: Horror · Online Co-Op · Multiplayer

PEAK
Shared: Online Co-Op · Multiplayer · First-Person

Poppy Playtime
Shared: Horror · Singleplayer · First-Person

Inside the Backrooms
Shared: Horror · Multiplayer · Online Co-Op

Backrooms: Escape Together
Shared: Horror · Multiplayer · Online Co-Op

Bloons TD 6
Shared: Singleplayer · Multiplayer · Strategy

Lethal Company
Shared: Horror · Online Co-Op · First-Person

Lunch Lady
Shared: Horror · Online Co-Op · Multiplayer

Left 4 Dead 2
Shared: Multiplayer · Online Co-Op · Horror

Bendy and the Ink Machine
Shared: Horror · Singleplayer · First-Person

Dark Deception
Shared: Horror · Singleplayer · Multiplayer

No, I'm not a Human
Shared: Horror · Choices Matter · Singleplayer

Ultimate Custom Night
Shared: Horror · Singleplayer · Strategy

Outlast 2
Shared: Horror · Singleplayer · First-Person

Dying Light
Shared: Horror · Online Co-Op · First-Person

Shift At Midnight
Shared: Horror · Online Co-Op · Multiplayer