Games like Acatalepsy
Games like Acatalepsy include Outlast, Escape the Backrooms, Backrooms: Escape Together, Visage, and Subnautica 2. We matched them by the tags players give Acatalepsy on Steam (Multiplayer, Horror, Survival Horror, Dungeon Crawler, and Surreal): closest matches first, and among equally close ones the better-known games.

Outlast
Shared: Horror · Survival Horror · First-Person

Escape the Backrooms
Shared: Multiplayer · Horror · Survival Horror

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

Visage
Shared: Horror · Survival Horror · Multiplayer

Subnautica 2
Shared: Multiplayer · Horror · Survival Horror

Inside the Backrooms
Shared: Multiplayer · Horror · Survival Horror

The Outlast Trials
Shared: Multiplayer · Horror · Survival Horror

Sons Of The Forest
Shared: Multiplayer · Survival Horror · Horror

Slender: The Arrival
Shared: Horror · Survival Horror · Multiplayer

The Beast Inside
Shared: Horror · Multiplayer · Survival Horror

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

PEAK
Shared: Multiplayer · Adventure · First-Person

Dead by Daylight
Shared: Multiplayer · Horror · Survival Horror

Pacify
Shared: Horror · Multiplayer · Survival Horror

Phasmophobia
Shared: Horror · Multiplayer · First-Person

Outlast 2
Shared: Horror · Survival Horror · First-Person

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

The Forest
Shared: Horror · Survival Horror · Adventure

DEVOUR
Shared: Horror · Multiplayer · Survival Horror

Buckshot Roulette
Shared: Multiplayer · Horror · First-Person

From The Darkness
Shared: Horror · Multiplayer · Survival Horror

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

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

Five Nights at Freddy's: Secret of the Mimic
Shared: Horror · Adventure · First-Person