Games like Monsters & Mortals - Monstrum
Games like Monsters & Mortals - Monstrum include Dark Deception, The Outlast Trials, Escape the Backrooms, Buckshot Roulette, and Dark Deception: Monsters & Mortals. We matched them by the tags players give Monsters & Mortals - Monstrum on Steam (Action, Indie, Casual, Horror, and Multiplayer): closest matches first, and among equally close ones the better-known games.

Dark Deception
Shared: Horror · Multiplayer · Indie

The Outlast Trials
Shared: Horror · Multiplayer · Action

Escape the Backrooms
Shared: Horror · Multiplayer · First-Person

Buckshot Roulette
Shared: Multiplayer · Horror · Indie

Dark Deception: Monsters & Mortals
Shared: Indie · Action · Horror

Timberman
Shared: Casual · Indie · Action

Blood and Bacon
Shared: Action · Multiplayer · Horror

Witch It
Shared: Casual · Indie · Multiplayer

Pacify
Shared: Horror · Multiplayer · First-Person

Dead Bits
Shared: Action · Indie · Casual

Who's Your Daddy?!
Shared: Multiplayer · First-Person · Casual

How to Fish
Shared: Multiplayer · Indie · First-Person

Liars Bar
Shared: Casual · Multiplayer · Indie

Outlast
Shared: Horror · First-Person · Multiplayer

Notes of Soul
Shared: Action · Horror · Indie

The Beast Inside
Shared: Horror · Action · Multiplayer

Phasmophobia
Shared: Horror · Multiplayer · First-Person

Backrooms: Escape Together
Shared: Horror · Multiplayer · First-Person

Ready or Not
Shared: Multiplayer · Horror · Action

Garry's Mod
Shared: Multiplayer · Casual · First-Person

Grand Theft Auto V Legacy
Shared: Action · Multiplayer · First-Person

Gang Beasts
Shared: Action · Multiplayer · Casual

R.E.P.O.
Shared: Horror · Multiplayer · First-Person

Dead by Daylight
Shared: Horror · Multiplayer · Action