Games like Devil Inside Us: Roots of Evil
Games like Devil Inside Us: Roots of Evil include SOMA, Outlast, Poppy Playtime, Outlast 2, and Resident Evil 7 Biohazard. We matched them by the tags players give Devil Inside Us: Roots of Evil on Steam (Horror, Psychological Horror, Survival Horror, Atmospheric, and First-Person): closest matches first, and among equally close ones the better-known games.

SOMA
Shared: Horror · Psychological Horror · Atmospheric

Outlast
Shared: Horror · Survival Horror · Psychological Horror

Poppy Playtime
Shared: Horror · Singleplayer · Survival Horror

Outlast 2
Shared: Horror · Psychological Horror · Survival Horror

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

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

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

Amnesia: A Machine For Pigs
Shared: Horror · Atmospheric · Psychological Horror

Layers of Fear (2016)
Shared: Horror · Psychological Horror · Atmospheric

SILENT HILL 2
Shared: Horror · Psychological Horror · Survival Horror

Five Nights at Freddy's
Shared: Horror · Survival Horror · Psychological Horror

Darkwood
Shared: Horror · Survival Horror · Psychological Horror

What Remains of Edith Finch
Shared: Atmospheric · First-Person · Story Rich

Visage
Shared: Horror · Psychological Horror · Survival Horror

Escape the Backrooms
Shared: Horror · Psychological Horror · Survival Horror

Pacify
Shared: Horror · Psychological Horror · Survival Horror

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

Firewatch
Shared: Atmospheric · First-Person · Story Rich

Five Nights at Freddy's: Security Breach
Shared: Horror · Survival Horror · Singleplayer

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

Five Nights at Freddy's 2
Shared: Horror · Survival Horror · Psychological Horror

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

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

MiSide
Shared: Psychological Horror · Horror · First-Person