Games like Red Core Division
Games like Red Core Division include Escape the Backrooms, Phasmophobia, Dead by Daylight, Backrooms: Escape Together, and The Outlast Trials. We matched them by the tags players give Red Core Division on Steam (Horror, Survival Horror, Multiplayer, Action, and First-Person): closest matches first, and among equally close ones the better-known games.

Escape the Backrooms
Shared: Horror · Multiplayer · Survival Horror

Phasmophobia
Shared: Horror · Multiplayer · Co-op

Dead by Daylight
Shared: Horror · Survival Horror · Multiplayer

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

The Outlast Trials
Shared: Horror · Multiplayer · Survival Horror

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

DEVOUR
Shared: Horror · Multiplayer · Survival Horror

Pacify
Shared: Horror · Multiplayer · Co-op

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

Inside the Backrooms
Shared: Horror · Survival Horror · Multiplayer

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

Outlast
Shared: Horror · Survival Horror · First-Person

Nuclear Nightmare
Shared: Survival Horror · Horror · Co-op

Dying Light
Shared: Survival Horror · Horror · Online Co-Op

BIGFOOT
Shared: Horror · Multiplayer · Survival Horror

Demonologist
Shared: Horror · Multiplayer · Co-op

Lunch Lady
Shared: Horror · Multiplayer · Survival Horror

In Silence
Shared: Horror · Multiplayer · Survival Horror

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

Subnautica 2
Shared: Horror · Multiplayer · Co-op

PANICORE
Shared: Horror · Survival Horror · Co-op

Content Warning
Shared: Horror · Multiplayer · Online Co-Op

Outlast 2
Shared: Horror · Survival Horror · Psychological Horror

PEAK
Shared: Multiplayer · Co-op · Online Co-Op