Games like Bleakmoor House
Games like Bleakmoor House include Poppy Playtime, Buckshot Roulette, SOMA, Layers of Fear (2016), and MiSide. We matched them by the tags players give Bleakmoor House on Steam (Singleplayer, Horror, Simulation, Psychological Horror, and Exploration): closest matches first, and among equally close ones the better-known games.

Poppy Playtime
Shared: Singleplayer · Horror · Puzzle

Buckshot Roulette
Shared: Horror · Singleplayer · Indie

SOMA
Shared: Horror · Psychological Horror · Exploration

Layers of Fear (2016)
Shared: Horror · Psychological Horror · Singleplayer

MiSide
Shared: Psychological Horror · Horror · Singleplayer

Garten of Banban
Shared: Singleplayer · Horror · Psychological Horror

Outlast
Shared: Horror · Singleplayer · Psychological Horror

Mouthwashing
Shared: Horror · Psychological Horror · Indie

The Exit 8
Shared: Horror · Exploration · Puzzle

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

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

Scanner Sombre
Shared: Horror · Exploration · Walking Simulator

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

Resident Evil 7 Biohazard
Shared: Horror · Singleplayer · Psychological Horror

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

What Remains of Edith Finch
Shared: Singleplayer · Exploration · Walking Simulator

Outlast 2
Shared: Horror · Psychological Horror · Singleplayer

Little Nightmares II
Shared: Horror · Singleplayer · Puzzle

Garten of Banban 2
Shared: Singleplayer · Horror · Psychological Horror

ROUTINE
Shared: Singleplayer · Psychological Horror · Horror

September 7th
Shared: Horror · Exploration · Psychological Horror

Little Nightmares
Shared: Horror · Singleplayer · Puzzle

Visage
Shared: Horror · Psychological Horror · Singleplayer

Amnesia: A Machine For Pigs
Shared: Horror · Psychological Horror · Walking Simulator