Games like Haunt Chaser
Games like Haunt Chaser include Phasmophobia, Lethal Company, Escape the Backrooms, Pacify, and Backrooms: Escape Together. We matched them by the tags players give Haunt Chaser on Steam (Online Co-Op, Horror, Action, Early Access, and Psychological Horror): closest matches first, and among equally close ones the better-known games.

Phasmophobia
Shared: Online Co-Op · Horror · Psychological Horror

Lethal Company
Shared: Online Co-Op · Horror · Co-op

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

Pacify
Shared: Online Co-Op · Horror · Psychological Horror

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

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

Zort
Shared: Online Co-Op · Horror · Co-op

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

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

Labyrinthine
Shared: Online Co-Op · Horror · Co-op

Demonologist
Shared: Horror · Online Co-Op · Psychological Horror

Nuclear Nightmare
Shared: Online Co-Op · Horror · Co-op

DEVOUR
Shared: Online Co-Op · Horror · Co-op

BIGFOOT
Shared: Horror · Online Co-Op · Co-op

Resident Evil 5
Shared: Action · Online Co-Op · Co-op

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

We Were Here
Shared: Horror · Co-op · Online Co-Op

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

PANICORE
Shared: Online Co-Op · Horror · Psychological Horror

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

Outlast
Shared: Horror · Psychological Horror · First-Person

In Silence
Shared: Horror · Online Co-Op · Psychological Horror

Left 4 Dead 2
Shared: Online Co-Op · Co-op · Action

Resident Evil 6
Shared: Action · Horror · Online Co-Op

