Games like B.D.K
Games like B.D.K include Buckshot Roulette, MiSide, No, I'm not a Human, Outlast 2, and Poppy Playtime. We matched them by the tags players give B.D.K on Steam (Indie, Horror, Experimental, Singleplayer, and Abstract): closest matches first, and among equally close ones the better-known games.

Buckshot Roulette
Shared: Horror · Indie · Singleplayer

MiSide
Shared: Horror · Psychological Horror · Singleplayer

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

Outlast 2
Shared: Horror · Psychological Horror · Singleplayer

Poppy Playtime
Shared: Horror · Singleplayer · Indie

Ready or Not
Shared: Singleplayer · Horror · Realistic

Outlast
Shared: Horror · Singleplayer · Psychological Horror

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

Mouthwashing
Shared: Horror · Indie · Psychological Horror

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

Garten of Banban
Shared: Horror · Singleplayer · Psychological Horror

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

Five Nights at Freddy's: Security Breach
Shared: Horror · Singleplayer · 3D

Firework
Shared: Indie · Horror · Singleplayer

Trepang2
Shared: Horror · Singleplayer · Indie

Phasmophobia
Shared: Horror · Psychological Horror · First-Person

Milk inside a bag of milk inside a bag of milk
Shared: Horror · Experimental · Psychological Horror

Subliminal
Shared: Singleplayer · Horror · Psychological Horror

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

Five Nights at Freddy's 2
Shared: Horror · Singleplayer · Indie

The Beast Inside
Shared: Horror · Indie · Singleplayer

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

Welcome to Kowloon
Shared: Horror · Psychological Horror · Indie

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

