Games like Enlysia
Games like Enlysia include Lethal Company, Dead Space (2008), Alien: Isolation, Outlast, and Backrooms: Escape Together. We matched them by the tags players give Enlysia on Steam (Indie, Early Access, Action, Horror, and Survival Horror): closest matches first, and among equally close ones the better-known games.

Lethal Company
Shared: Horror · Survival Horror · Sci-fi

Dead Space (2008)
Shared: Horror · Action · Sci-fi

Alien: Isolation
Shared: Horror · Survival Horror · Sci-fi

Outlast
Shared: Horror · Survival Horror · Atmospheric

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

SOMA
Shared: Horror · Atmospheric · Survival Horror

Dead Space
Shared: Horror · Survival Horror · Sci-fi

Dead Space™ 2
Shared: Horror · Survival Horror · Action

BIGFOOT
Shared: Horror · Survival Horror · Atmospheric

Resident Evil Village
Shared: Horror · Survival Horror · Action

Nuclear Nightmare
Shared: Horror · Survival Horror · Atmospheric

The Outlast Trials
Shared: Horror · Survival Horror · Action

Resident Evil 2
Shared: Horror · Survival Horror · Action

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

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

The Forest
Shared: Horror · Survival Horror · Action

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

Resident Evil 4
Shared: Action · Horror · Survival Horror

Interstellar Marines
Shared: Indie · Action · Horror

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

Resident Evil 4 (2005)
Shared: Action · Survival Horror · Horror

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

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

Species: Unknown
Shared: Horror · Atmospheric · Survival Horror