Games like The Ancient Labyrinth
Games like The Ancient Labyrinth include Outlast, The Forest, Darkwood, We Happy Few, and Lethal Company. We matched them by the tags players give The Ancient Labyrinth on Steam (Indie, Action, Adventure, Horror, and Stealth): closest matches first, and among equally close ones the better-known games.

Outlast
Shared: Horror · Atmospheric · Survival Horror

The Forest
Shared: Horror · Adventure · Action

Darkwood
Shared: Horror · Adventure · Action

We Happy Few
Shared: Adventure · Action · Indie

Lethal Company
Shared: Horror · Exploration · Survival Horror

Escape the Backrooms
Shared: Horror · Psychological Horror · Adventure

The Outlast Trials
Shared: Horror · Survival Horror · Action

The Beast Inside
Shared: Adventure · Horror · Action

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

Little Nightmares
Shared: Horror · Adventure · Atmospheric

Amnesia: The Bunker
Shared: Horror · Stealth · Atmospheric

Granny Remake
Shared: Horror · Action · Indie

Five Nights at Freddy's: Secret of the Mimic
Shared: Horror · Adventure · Action

Subnautica 2
Shared: Horror · Exploration · Survival

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

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

Alien: Isolation
Shared: Horror · Survival Horror · Stealth

Bendy and the Dark Revival
Shared: Horror · Action · Indie

Penumbra Overture
Shared: Adventure · Horror · Indie

Dead by Daylight
Shared: Horror · Survival Horror · Stealth

SOMA
Shared: Horror · Atmospheric · Psychological Horror

The Evil Within 2
Shared: Horror · Action · Survival Horror

Poppy Playtime
Shared: Horror · Indie · Survival Horror

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