Games like Reiko's Fragments
Games like Reiko's Fragments include Phasmophobia, Resident Evil 7 Biohazard, Resident Evil Village, The Outlast Trials, and Escape the Backrooms. We matched them by the tags players give Reiko's Fragments on Steam (Action, Indie, Horror, Early Access, and First-Person): closest matches first, and among equally close ones the better-known games.

Phasmophobia
Shared: Horror · VR · Multiplayer

Resident Evil 7 Biohazard
Shared: Horror · VR · First-Person

Resident Evil Village
Shared: Horror · Action · Survival Horror

The Outlast Trials
Shared: Horror · Multiplayer · Survival Horror

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

Gorilla Tag
Shared: VR · Horror · First-Person

Outlast
Shared: Horror · First-Person · Survival Horror

Backrooms: Escape Together
Shared: Horror · Multiplayer · Survival Horror

Granny
Shared: Horror · VR · Indie

DEVOUR
Shared: Horror · Survival Horror · Multiplayer

Five Nights at Freddy's: Secret of the Mimic
Shared: Horror · Action · VR

Dead by Daylight
Shared: Horror · Survival Horror · Multiplayer

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

FIVE NIGHTS AT FREDDY'S: HELP WANTED
Shared: VR · Horror · Action

Dark Deception
Shared: Horror · Indie · First-Person

Emily Wants To Play
Shared: Indie · Horror · Action

GORN
Shared: Action · VR · Indie

Lethal Company
Shared: Horror · First-Person · Survival Horror

Arizona Sunshine® VR Legacy
Shared: Action · VR · Horror

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

Bodycam
Shared: Horror · Multiplayer · VR

Bendy and the Dark Revival
Shared: Action · Horror · Indie

Dying Light
Shared: Horror · Survival Horror · Action

Sons Of The Forest
Shared: Horror · Multiplayer · Survival Horror