Games like Doorways: Prelude
Games like Doorways: Prelude include Outlast, Poppy Playtime, The Forest, Bendy and the Dark Revival, and Resident Evil 7 Biohazard. We matched them by the tags players give Doorways: Prelude on Steam (Horror, Adventure, Indie, Action, and First-Person): closest matches first, and among equally close ones the better-known games.

Outlast
Shared: Horror · First-Person · Survival Horror

Poppy Playtime
Shared: Horror · First-Person · Survival Horror

The Forest
Shared: Horror · Adventure · Survival

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

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

SOMA
Shared: Horror · Atmospheric · Survival Horror

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

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

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

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

Little Nightmares
Shared: Horror · Adventure · Atmospheric

Bendy and the Ink Machine
Shared: Horror · First-Person · Indie

Darkwood
Shared: Horror · Adventure · Survival Horror

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

Among the Sleep - Enhanced Edition
Shared: Horror · Indie · Adventure

Penumbra Overture
Shared: Horror · Adventure · Indie

Resident Evil 4
Shared: Horror · Action · Survival Horror

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

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

We Happy Few
Shared: Adventure · Action · Indie

MADiSON
Shared: Horror · First-Person · Survival Horror

Little Nightmares II
Shared: Horror · Adventure · Atmospheric

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

Resident Evil 2
Shared: Horror · Survival Horror · Action