Games like Project Screams
Games like Project Screams include Phasmophobia, Pacify, Escape the Backrooms, Backrooms: Escape Together, and Dead by Daylight. We matched them by the tags players give Project Screams on Steam (Online Co-Op, Multiplayer, Walking Simulator, First-Person, and Choices Matter): closest matches first, and among equally close ones the better-known games.

Phasmophobia
Shared: Online Co-Op · Multiplayer · Horror

Pacify
Shared: Online Co-Op · Multiplayer · Horror

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

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

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

Lethal Company
Shared: Online Co-Op · First-Person · Horror

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

DEVOUR
Shared: Online Co-Op · Multiplayer · Horror

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

PEAK
Shared: Online Co-Op · Multiplayer · First-Person

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

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

Demonologist
Shared: Multiplayer · Online Co-Op · Horror

Nuclear Nightmare
Shared: Online Co-Op · First-Person · Horror

The Outlast Trials
Shared: Multiplayer · Horror · First-Person

Lunch Lady
Shared: Online Co-Op · Multiplayer · Horror

RV There Yet?
Shared: Multiplayer · Online Co-Op · Co-op

PANICORE
Shared: Online Co-Op · Horror · Multiplayer

Subnautica 2
Shared: Multiplayer · Horror · First-Person

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

Labyrinthine
Shared: Online Co-Op · Multiplayer · Horror

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

Liars Bar
Shared: Multiplayer · Online Co-Op · Co-op

How to Fish
Shared: Online Co-Op · Multiplayer · First-Person