Games like Barren Depths
Games like Barren Depths include Five Nights at Freddy's: Security Breach, Outlast, Subnautica 2, Subnautica, and The Forest. We matched them by the tags players give Barren Depths on Steam (Underwater, Horror, 3D, Survival Horror, and Atmospheric): closest matches first, and among equally close ones the better-known games.

Five Nights at Freddy's: Security Breach
Shared: Horror · Survival Horror · First-Person

Outlast
Shared: Horror · Survival Horror · First-Person

Subnautica 2
Shared: Horror · Underwater · Survival Horror

Subnautica
Shared: Horror · Underwater · Singleplayer

The Forest
Shared: Horror · Survival Horror · First-Person

Poppy Playtime
Shared: Horror · Survival Horror · First-Person

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

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

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

Choo-Choo Charles
Shared: Horror · Survival Horror · First-Person

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

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

Escape the Backrooms
Shared: Horror · Survival Horror · First-Person

Five Nights at Freddy's: Secret of the Mimic
Shared: Horror · First-Person · 3D

Subnautica: Below Zero
Shared: Underwater · Horror · Singleplayer

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

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

Garten of Banban
Shared: Horror · First-Person · 3D

Visage
Shared: Horror · Survival Horror · First-Person

MiSide
Shared: Horror · 3D · First-Person

The Beast Inside
Shared: Horror · Survival Horror · First-Person

Alien: Isolation
Shared: Horror · Survival Horror · Atmospheric

Bendy and the Dark Revival
Shared: Horror · Survival Horror · First-Person

Hello Neighbor
Shared: Horror · First-Person · Survival Horror