Games like NMO - No More Operators
Games like NMO - No More Operators include Phasmophobia, Dead by Daylight, Escape the Backrooms, R.E.P.O., and Lethal Company. We matched them by the tags players give NMO - No More Operators on Steam (Horror, Psychological Horror, 3D, Online Co-Op, and Team-Based): closest matches first, and among equally close ones the better-known games.

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

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

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

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

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

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

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

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

Ghost Exile
Shared: Horror · Online Co-Op · Psychological Horror

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

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

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

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

Inside the Backrooms
Shared: Horror · Psychological Horror · Multiplayer

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

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

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

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

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

The Headliners
Shared: Horror · Online Co-Op · Co-op

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

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

BIGFOOT
Shared: Horror · Online Co-Op · Multiplayer

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