Games like Supernatural Shenanigans
Games like Supernatural Shenanigans include Phasmophobia, Escape the Backrooms, The Outlast Trials, Backrooms: Escape Together, and Inside the Backrooms. We matched them by the tags players give Supernatural Shenanigans on Steam (Casual, Survival Horror, Psychological Horror, Investigation, and Voxel): closest matches first, and among equally close ones the better-known games.

Phasmophobia
Shared: Co-op · Psychological Horror · Multiplayer

Escape the Backrooms
Shared: Co-op · Psychological Horror · Survival Horror

The Outlast Trials
Shared: Co-op · Survival Horror · Psychological Horror

Backrooms: Escape Together
Shared: Co-op · Psychological Horror · Survival Horror

Inside the Backrooms
Shared: Survival Horror · Co-op · Psychological Horror

Pacify
Shared: Co-op · Psychological Horror · Survival Horror

Liars Bar
Shared: Casual · Co-op · Multiplayer

Dead by Daylight
Shared: Survival Horror · Co-op · Multiplayer

Left 4 Dead 2
Shared: Co-op · Multiplayer · Action

We Were Here
Shared: Co-op · Multiplayer · Psychological Horror

DEVOUR
Shared: Survival Horror · Co-op · Psychological Horror

How to Fish
Shared: Co-op · Multiplayer · Casual

LOCKDOWN Protocol
Shared: Multiplayer · Investigation · Casual

Demonologist
Shared: Co-op · Psychological Horror · Multiplayer

BIGFOOT
Shared: Survival Horror · Co-op · Multiplayer

Lethal Company
Shared: Co-op · Survival Horror · Psychological Horror

PAYDAY 2
Shared: Co-op · Action · Multiplayer

Gang Beasts
Shared: Co-op · Casual · Multiplayer

Blood and Bacon
Shared: Co-op · Multiplayer · Action

Lunch Lady
Shared: Co-op · Survival Horror · Psychological Horror

Human Fall Flat
Shared: Co-op · Multiplayer · Puzzle

Party Animals
Shared: Casual · Co-op · Multiplayer

Ready or Not
Shared: Co-op · Multiplayer · Psychological Horror

Subnautica 2
Shared: Co-op · Multiplayer · Survival Horror