Games like Ritus Exorcismus
Games like Ritus Exorcismus include FAITH: The Unholy Trinity, Outlast, SOMA, Little Nightmares II, and DISTRAINT: Deluxe Edition. We matched them by the tags players give Ritus Exorcismus on Steam (Faith, Demons, Horror, Psychological Horror, and Pixel Graphics): closest matches first, and among equally close ones the better-known games.

FAITH: The Unholy Trinity
Shared: Horror · Psychological Horror · Pixel Graphics

Outlast
Shared: Horror · Psychological Horror · Atmospheric

SOMA
Shared: Horror · Psychological Horror · Atmospheric

Little Nightmares II
Shared: Horror · Dark · Psychological Horror

DISTRAINT: Deluxe Edition
Shared: Horror · Psychological Horror · Pixel Graphics

No, I'm not a Human
Shared: Horror · Psychological Horror · Atmospheric

Outlast 2
Shared: Horror · Psychological Horror · Dark

Pony Island
Shared: Psychological Horror · Pixel Graphics · Demons

OMORI
Shared: Psychological Horror · Pixel Graphics · Horror

Little Nightmares
Shared: Horror · Atmospheric · Dark

Sally Face - Episode One
Shared: Psychological Horror · Horror · Dark

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

Tiny Bunny
Shared: Horror · Psychological Horror · Dark

Mouthwashing
Shared: Horror · Psychological Horror · Atmospheric

Poppy Playtime
Shared: Horror · Psychological Horror · Dark

Fran Bow
Shared: Psychological Horror · Horror · Dark

Still Wakes the Deep
Shared: Horror · Psychological Horror · Gore

Endacopia
Shared: Horror · Psychological Horror · Pixel Graphics

IMSCARED
Shared: Horror · Psychological Horror · Pixel Graphics

Phasmophobia
Shared: Horror · Psychological Horror · Demons

Five Nights at Freddy's: Into the Pit
Shared: Horror · Pixel Graphics · Adventure

INSIDE
Shared: Horror · Dark · Atmospheric

Last Report
Shared: Horror · Psychological Horror · Pixel Graphics

Scorn
Shared: Horror · Atmospheric · Gore