Games like Echoes in Darkness
Games like Echoes in Darkness include Poppy Playtime, Lethal Company, Pacify, Phasmophobia, and Outlast. We matched them by the tags players give Echoes in Darkness on Steam (Horror, Psychological Horror, Survival Horror, Supernatural, and Mystery): closest matches first, and among equally close ones the better-known games.

Poppy Playtime
Shared: Horror · Survival Horror · Psychological Horror

Lethal Company
Shared: Horror · Survival Horror · Psychological Horror

Pacify
Shared: Horror · Psychological Horror · Survival Horror

Phasmophobia
Shared: Horror · Psychological Horror · Supernatural

Outlast
Shared: Horror · Survival Horror · Psychological Horror

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

SOMA
Shared: Horror · Psychological Horror · Survival Horror

Mouthwashing
Shared: Horror · Psychological Horror · Psychological

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

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

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

The Outlast Trials
Shared: Horror · Survival Horror · Psychological Horror

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

Firework
Shared: Horror · Psychological Horror · Mystery

Outlast 2
Shared: Horror · Psychological Horror · Survival Horror

Resident Evil 7 Biohazard
Shared: Horror · Survival Horror · Psychological Horror

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

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

Amnesia: The Bunker
Shared: Horror · Survival Horror · Psychological Horror

Dread Flats
Shared: Horror · Psychological Horror · Supernatural

Visage
Shared: Horror · Psychological Horror · Survival Horror

iBLiS
Shared: Horror · Psychological Horror · Supernatural

Subliminal
Shared: Psychological Horror · Horror · Mystery

The Forest
Shared: Horror · Survival Horror · Exploration