Games like Basement of Hellish
Games like Basement of Hellish include Resident Evil Requiem, METRO 2033 Redux, Outlast, METRO Last Light Redux, and Metro Exodus. We matched them by the tags players give Basement of Hellish on Steam (Horror, Dark, Post-apocalyptic, Psychological Horror, and FPS): closest matches first, and among equally close ones the better-known games.

Resident Evil Requiem
Shared: Horror · Survival Horror · FPS

METRO 2033 Redux
Shared: Post-apocalyptic · Horror · FPS

Outlast
Shared: Horror · Psychological Horror · Survival Horror

METRO Last Light Redux
Shared: Post-apocalyptic · FPS · Horror

Metro Exodus
Shared: Post-apocalyptic · FPS · Horror

Outlast 2
Shared: Horror · Psychological Horror · Survival Horror

Resident Evil Village
Shared: Horror · Survival Horror · Action

Choo-Choo Charles
Shared: Horror · Survival Horror · Dark

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

Poppy Playtime
Shared: Horror · Dark · Survival Horror

Ready or Not
Shared: FPS · Horror · Psychological Horror

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

SOMA
Shared: Horror · Psychological Horror · Dark

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

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

F.E.A.R.
Shared: Horror · FPS · Action

Buckshot Roulette
Shared: Dark · Horror · First-Person

Dead Space
Shared: Horror · Survival Horror · Psychological Horror

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

Left 4 Dead 2
Shared: FPS · Horror · Action

Visage
Shared: Horror · Dark · Psychological Horror

Lethal Company
Shared: Horror · Survival Horror · Psychological Horror

Darkwood
Shared: Horror · Psychological Horror · Dark

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