Games like Dark Fracture: Prologue
Games like Dark Fracture: Prologue include Poppy Playtime, Lethal Company, Outlast, SOMA, and Escape the Backrooms. We matched them by the tags players give Dark Fracture: Prologue on Steam (Horror, Adventure, First-Person, Exploration, and Indie): closest matches first, and among equally close ones the better-known games.

Poppy Playtime
Shared: Horror · First-Person · Free to Play

Lethal Company
Shared: Horror · First-Person · Exploration

Outlast
Shared: Horror · First-Person · Survival Horror

SOMA
Shared: Horror · Psychological Horror · Exploration

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

Visage
Shared: Horror · First-Person · Survival Horror

The Forest
Shared: Horror · Adventure · First-Person

Inside the Backrooms
Shared: Horror · Survival Horror · Adventure

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

Pacify
Shared: Horror · Exploration · First-Person

Amnesia: The Dark Descent
Shared: Horror · First-Person · Survival Horror

Layers of Fear (2016)
Shared: Horror · First-Person · Psychological Horror

Dark Deception
Shared: Horror · First-Person · Free to Play

Ultimate Custom Night
Shared: Horror · Free to Play · First-Person

Darkwood
Shared: Horror · Adventure · Survival Horror

Firewatch
Shared: Adventure · First-Person · Exploration

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

Amnesia: A Machine For Pigs
Shared: Horror · First-Person · Exploration

Five Nights at Freddy's: Secret of the Mimic
Shared: Horror · Adventure · First-Person

What Remains of Edith Finch
Shared: First-Person · Adventure · Exploration

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

Outlast 2
Shared: Horror · First-Person · Survival Horror

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

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