Games like Hallness
Games like Hallness include Escape the Backrooms, Backrooms: Escape Together, Phasmophobia, PEAK, and Lethal Company. We matched them by the tags players give Hallness on Steam (Psychological Horror, Atmospheric, Horror, Multiplayer, and Online Co-Op): closest matches first, and among equally close ones the better-known games.
Escape the Backrooms
Shared: Horror · Psychological Horror · Multiplayer
Backrooms: Escape Together
Shared: Horror · Psychological Horror · Multiplayer
Phasmophobia
Shared: Horror · Psychological Horror · Multiplayer
PEAK
Shared: Multiplayer · Online Co-Op · Co-op
Lethal Company
Shared: Horror · Online Co-Op · Psychological Horror
Inside the Backrooms
Shared: Horror · Multiplayer · Psychological Horror
Pacify
Shared: Horror · Psychological Horror · Multiplayer
Content Warning
Shared: Horror · Online Co-Op · Multiplayer
R.E.P.O.
Shared: Horror · Multiplayer · Online Co-Op
Subnautica 2
Shared: Multiplayer · Horror · Co-op
Nuclear Nightmare
Shared: Horror · Online Co-Op · Psychological Horror
Dead by Daylight
Shared: Horror · Multiplayer · Online Co-Op
RV There Yet?
Shared: Multiplayer · Co-op · Online Co-Op
Zort
Shared: Horror · Psychological Horror · Online Co-Op
DEVOUR
Shared: Horror · Multiplayer · Online Co-Op
The Outlast Trials
Shared: Horror · Multiplayer · Psychological Horror
Fears to Fathom® - Scratch Creek
Shared: Horror · Psychological Horror · Multiplayer
Outlast
Shared: Horror · Atmospheric · Psychological Horror
Demonologist
Shared: Horror · Psychological Horror · Multiplayer
Labyrinthine
Shared: Horror · Psychological Horror · Online Co-Op
PANICORE
Shared: Horror · Psychological Horror · Online Co-Op
We Were Here
Shared: Co-op · Multiplayer · Horror
BIGFOOT
Shared: Horror · Multiplayer · Online Co-Op
Ready or Not
Shared: Multiplayer · Horror · Psychological Horror