Games like Enchantress
Games like Enchantress include Mouthwashing, Outlast, No, I'm not a Human, Phasmophobia, and Outlast 2. We matched them by the tags players give Enchantress on Steam (Indie, Early Access, Gore, Thriller, and Horror): closest matches first, and among equally close ones the better-known games.

Mouthwashing
Shared: Horror · Indie · Psychological Horror

Outlast
Shared: Horror · Gore · First-Person

No, I'm not a Human
Shared: Indie · Horror · Psychological Horror

Phasmophobia
Shared: Horror · Psychological Horror · First-Person

Outlast 2
Shared: Horror · Gore · Psychological Horror

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

MiSide
Shared: Psychological Horror · Horror · First-Person

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

Buckshot Roulette
Shared: Horror · Indie · First-Person

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

Poppy Playtime
Shared: Horror · First-Person · Indie

Backrooms: Escape Together
Shared: Horror · Psychological Horror · Early Access

Firework
Shared: Indie · Horror · Psychological Horror

Psalm 5:9-13
Shared: Indie · Horror · Psychological Horror

Dead by Daylight
Shared: Horror · Gore · First-Person

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

Fear Therapy
Shared: Horror · Early Access · Indie

SOMA
Shared: Horror · Psychological Horror · Gore

Detention
Shared: Indie · Horror · Psychological Horror

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

The Outlast Trials
Shared: Horror · Psychological Horror · First-Person

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

Don't Play This
Shared: Indie · Gore · Horror

Scorn
Shared: Gore · Horror · First-Person