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

Escape the Backrooms
Shared: Multiplayer · Psychological Horror · Horror

Backrooms: Escape Together
Shared: Multiplayer · Psychological Horror · Horror

Phasmophobia
Shared: Multiplayer · Psychological Horror · Horror

The Outlast Trials
Shared: Multiplayer · Horror · Co-op

Inside the Backrooms
Shared: Multiplayer · Horror · Psychological Horror

Ready or Not
Shared: Multiplayer · Co-op · Realistic

Pacify
Shared: Multiplayer · Horror · Psychological Horror

We Were Here
Shared: Co-op · Multiplayer · Puzzle

Fears to Fathom® - Scratch Creek
Shared: Multiplayer · Co-op · Psychological Horror

Labyrinthine
Shared: Horror · Co-op · Multiplayer

Demonologist
Shared: Multiplayer · Psychological Horror · Horror

PEAK
Shared: Multiplayer · Co-op · Adventure

Ghost Watchers
Shared: Multiplayer · Co-op · Horror

Subnautica 2
Shared: Multiplayer · Horror · Co-op

Zort
Shared: Horror · Co-op · Psychological Horror

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

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

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

Little Nightmares II
Shared: Horror · Psychological Horror · Puzzle

DEVOUR
Shared: Multiplayer · Horror · Psychological Horror

Far Cry® 5
Shared: Co-op · Multiplayer · First-Person

RV There Yet?
Shared: Multiplayer · Co-op · Adventure

Outlast
Shared: Horror · Psychological Horror · First-Person

Buckshot Roulette
Shared: Multiplayer · Horror · First-Person