Games like These Darker Tides
Games like These Darker Tides include MiSide, Five Nights at Freddy's, Poppy Playtime, Still Wakes the Deep, and Ready or Not. We matched them by the tags players give These Darker Tides on Steam (Horror, Underwater, First-Person, Lovecraftian, and Psychological Horror): closest matches first, and among equally close ones the better-known games.

MiSide
Shared: Horror · Psychological Horror · First-Person

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

Poppy Playtime
Shared: Horror · First-Person · Singleplayer

Still Wakes the Deep
Shared: Horror · Psychological Horror · Lovecraftian

Ready or Not
Shared: Realistic · Horror · First-Person

Buckshot Roulette
Shared: Horror · First-Person · Singleplayer

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

Phasmophobia
Shared: Horror · Psychological Horror · First-Person

Garten of Banban
Shared: Horror · First-Person · Psychological Horror

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

Outlast
Shared: Horror · First-Person · Psychological Horror

Subliminal
Shared: Psychological Horror · Realistic · Horror

Iron Lung
Shared: Horror · Psychological Horror · Underwater

Five Nights at Freddy's 2
Shared: Horror · Psychological Horror · First-Person

No, I'm not a Human
Shared: Horror · Psychological Horror · First-Person

Subnautica
Shared: Horror · Underwater · First-Person

The Cabin Factory
Shared: Horror · Psychological Horror · First-Person

Dagon: by H. P. Lovecraft
Shared: Horror · Lovecraftian · First-Person

Subnautica 2
Shared: Horror · Underwater · First-Person

Five Nights at Freddy's 3
Shared: Horror · First-Person · Psychological Horror

SOMA
Shared: Horror · Psychological Horror · First-Person

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

Five Nights at Freddy's 4
Shared: Horror · First-Person · Singleplayer

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