Games like Separated
Games like Separated include Phasmophobia, Dead by Daylight, R.E.P.O., The Outlast Trials, and Pacify. We matched them by the tags players give Separated on Steam (Online Co-Op, Horror, Multiplayer, Puzzle, and PvE): closest matches first, and among equally close ones the better-known games.

Phasmophobia
Shared: Online Co-Op · Horror · Multiplayer

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

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

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

Pacify
Shared: Online Co-Op · Horror · Multiplayer

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

Labyrinthine
Shared: Online Co-Op · Horror · Multiplayer

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

DEVOUR
Shared: Online Co-Op · Horror · Multiplayer

Inside the Backrooms
Shared: Horror · Multiplayer · Puzzle

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

BIGFOOT
Shared: Horror · Multiplayer · Online Co-Op

HELLDIVERS™ 2
Shared: Online Co-Op · Multiplayer · PvE

GTFO
Shared: Online Co-Op · Horror · Multiplayer

Little Nightmares III
Shared: Horror · Multiplayer · Online Co-Op

PAYDAY 2
Shared: Co-op · Multiplayer · Online Co-Op

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

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

The Past Within
Shared: Online Co-Op · Puzzle · Multiplayer

We Were Here
Shared: Puzzle · Multiplayer · Horror

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

PANICORE
Shared: Online Co-Op · Horror · Multiplayer

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

Species: Unknown
Shared: Online Co-Op · Horror · Multiplayer