Games like Welcome to Sunnybrook
Games like Welcome to Sunnybrook include Outlast, Five Nights at Freddy's: Secret of the Mimic, Five Nights at Freddy's: Security Breach, Resident Evil Requiem, and SILENT HILL: Townfall. We matched them by the tags players give Welcome to Sunnybrook on Steam (Action, 3D, First-Person, 1990's, and Atmospheric): closest matches first, and among equally close ones the better-known games.

Outlast
Shared: First-Person · Horror · Atmospheric

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

Five Nights at Freddy's: Security Breach
Shared: First-Person · Horror · 3D

Resident Evil Requiem
Shared: Action · First-Person · Horror

SILENT HILL: Townfall
Shared: Action · First-Person · Horror

Summer of '58
Shared: Atmospheric · Horror · First-Person

DON'T SCREAM
Shared: First-Person · Atmospheric · Horror

SOMA
Shared: Atmospheric · Horror · First-Person

Resident Evil Village
Shared: First-Person · Action · Horror

Garten of Banban
Shared: First-Person · Horror · 3D

Lethal Company
Shared: First-Person · Horror · Exploration

R.E.P.O.
Shared: Horror · First-Person · 3D

The Forest
Shared: Horror · Action · First-Person

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

Firewatch
Shared: Atmospheric · First-Person · Walking Simulator

What Remains of Edith Finch
Shared: Atmospheric · First-Person · Walking Simulator

PEAK
Shared: First-Person · 3D · Exploration

Escape the Backrooms
Shared: Horror · First-Person · 3D

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

Zoochosis
Shared: 3D · Atmospheric · Horror

Species: Unknown
Shared: First-Person · Horror · Atmospheric

Thief
Shared: Action · First-Person · Atmospheric

METRO 2033 Redux
Shared: Action · Atmospheric · First-Person

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