Games like Devil in my house
Games like Devil in my house include SOMA, Poppy Playtime, Amnesia: The Dark Descent, Outlast, and Buckshot Roulette. We matched them by the tags players give Devil in my house on Steam (Horror, Dark, Action, Puzzle, and Emotional): closest matches first, and among equally close ones the better-known games.

SOMA
Shared: Horror · Dark · Atmospheric

Poppy Playtime
Shared: Horror · Puzzle · Dark

Amnesia: The Dark Descent
Shared: Horror · Puzzle · Dark

Outlast
Shared: Horror · Atmospheric · Dark

Buckshot Roulette
Shared: Dark · Horror · First-Person

Inside the Backrooms
Shared: Horror · Puzzle · Exploration

Garten of Banban
Shared: Horror · Puzzle · Dark

Darkwood
Shared: Horror · Action · Dark

Bendy and the Ink Machine
Shared: Horror · Puzzle · Dark

Resident Evil 7 Biohazard
Shared: Horror · Action · Atmospheric

Outlast 2
Shared: Horror · Dark · Atmospheric

Little Nightmares II
Shared: Horror · Dark · Puzzle

The Escape: Together
Shared: Horror · Action · Dark

Backrooms: Escape Together
Shared: Horror · Atmospheric · Exploration

Metel - Horror Escape
Shared: Horror · Puzzle · Action

Lethal Company
Shared: Horror · Exploration · First-Person

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

Garten of Banban 2
Shared: Horror · Puzzle · Dark

Little Nightmares
Shared: Horror · Dark · Atmospheric

In Sound Mind
Shared: Horror · Puzzle · Action

Tormented Souls
Shared: Horror · Puzzle · Action

The Outlast Trials
Shared: Horror · Action · Dark

Phasmophobia
Shared: Horror · Dark · First-Person

Garten of Banban 3
Shared: Horror · Puzzle · Dark