Games like INFERNIUM
Games like INFERNIUM include Outlast, Lethal Company, Five Nights at Freddy's, Poppy Playtime, and Slender: The Arrival. We matched them by the tags players give INFERNIUM on Steam (Horror, Indie, First-Person, Atmospheric, and Survival Horror): closest matches first, and among equally close ones the better-known games.
Outlast
Shared: Horror · First-Person · Atmospheric
Lethal Company
Shared: Horror · First-Person · Survival Horror
Five Nights at Freddy's
Shared: Horror · Survival Horror · Indie
Poppy Playtime
Shared: Horror · First-Person · Survival Horror
Slender: The Arrival
Shared: Horror · First-Person · Indie
SOMA
Shared: Horror · Atmospheric · Survival Horror
Five Nights at Freddy's 2
Shared: Horror · Survival Horror · First-Person
Outlast 2
Shared: Horror · First-Person · Survival Horror
Ultimate Custom Night
Shared: Horror · Survival Horror · Difficult
The Forest
Shared: Horror · First-Person · Survival Horror
Amnesia: The Dark Descent
Shared: Horror · Atmospheric · Survival Horror
Five Nights at Freddy's 4
Shared: Horror · First-Person · Survival Horror
Hollow Knight
Shared: Indie · Difficult · Souls-like
DEVOUR
Shared: Horror · Survival Horror · First-Person
Inside the Backrooms
Shared: Horror · Survival Horror · First-Person
Visage
Shared: Horror · Survival Horror · First-Person
Five Nights at Freddy's: Sister Location
Shared: Horror · Survival Horror · First-Person
Sons Of The Forest
Shared: Horror · Survival Horror · First-Person
The Outlast Trials
Shared: Horror · Survival Horror · First-Person
Amnesia: The Bunker
Shared: Horror · Atmospheric · Survival Horror
Five Nights at Freddy's 3
Shared: Horror · First-Person · Survival Horror
Darkwood
Shared: Horror · Survival Horror · Atmospheric
Mouthwashing
Shared: Horror · Atmospheric · Indie
Hollow Knight: Silksong
Shared: Indie · Difficult · Souls-like