Games like Doorways: The Underworld
Games like Doorways: The Underworld include Outlast, Resident Evil 7 Biohazard, Resident Evil Village, Poppy Playtime, and Outlast 2. We matched them by the tags players give Doorways: The Underworld on Steam (Horror, Adventure, Action, Indie, and Survival Horror): closest matches first, and among equally close ones the better-known games.

Outlast
Shared: Horror · Survival Horror · First-Person

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

Resident Evil Village
Shared: Horror · Survival Horror · Action

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

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

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

Amnesia: The Dark Descent
Shared: Horror · Survival Horror · Psychological Horror

Little Nightmares
Shared: Horror · Adventure · Indie

The Beast Inside
Shared: Horror · Adventure · Survival Horror

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

Little Nightmares II
Shared: Horror · Adventure · Dark

SOMA
Shared: Horror · Psychological Horror · Survival Horror

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

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

Resident Evil 4
Shared: Horror · Action · Survival Horror

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

Garten of Banban
Shared: Horror · First-Person · Singleplayer

Granny
Shared: Horror · Survival Horror · First-Person

Slender: The Arrival
Shared: Horror · Survival Horror · Indie

Penumbra Overture
Shared: Horror · Adventure · Indie

Visage
Shared: Horror · Survival Horror · Dark

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

The Evil Within 2
Shared: Horror · Survival Horror · Action

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