Games like Bernackels' Shoggoth
Games like Bernackels' Shoggoth include The Outlast Trials, R.E.P.O., Escape the Backrooms, Outlast, and Buckshot Roulette. We matched them by the tags players give Bernackels' Shoggoth on Steam (Indie, Action, First-Person, Multiplayer, and Stealth): closest matches first, and among equally close ones the better-known games.

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

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

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

Outlast
Shared: First-Person · Horror · Multiplayer

Buckshot Roulette
Shared: Multiplayer · First-Person · Indie

Dead by Daylight
Shared: Multiplayer · Horror · First-Person

Dark Deception
Shared: Multiplayer · Horror · First-Person

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

The Beast Inside
Shared: First-Person · Horror · Action

Phasmophobia
Shared: Multiplayer · Horror · First-Person

PAYDAY 2
Shared: Action · Multiplayer · Stealth

Bendy and the Dark Revival
Shared: First-Person · Action · Horror

Ready or Not
Shared: Multiplayer · First-Person · Horror

Five Nights at Freddy's: Security Breach
Shared: Horror · First-Person · Stealth

The Blackout Club
Shared: Indie · Action · Horror

Chivalry: Medieval Warfare
Shared: Action · Multiplayer · First-Person

Witch It
Shared: Indie · Multiplayer · Action

Slender: The Arrival
Shared: Indie · First-Person · Horror

Left 4 Dead 2
Shared: Multiplayer · Action · First-Person

Far Cry 3
Shared: Action · Multiplayer · Stealth

The Ship: Murder Party
Shared: Indie · Multiplayer · First-Person

Sneak Thief
Shared: Action · Indie · Stealth

KovaaK's
Shared: Action · Indie · First-Person

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