Games like Locked in my Darkness
Games like Locked in my Darkness include The Exit 8, Poppy Playtime, Firework, SOMA, and Platform 8. We matched them by the tags players give Locked in my Darkness on Steam (Simulation, Psychological Horror, Puzzle, Exploration, and Horror): closest matches first, and among equally close ones the better-known games.

The Exit 8
Shared: Puzzle · Exploration · Psychological Horror

Poppy Playtime
Shared: Horror · Puzzle · Psychological Horror

Firework
Shared: Puzzle · Horror · Psychological Horror

SOMA
Shared: Psychological Horror · Horror · Exploration

Platform 8
Shared: Psychological Horror · Simulation · Puzzle

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

DON'T SCREAM
Shared: Psychological Horror · Horror · Walking Simulator

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

Outer Wilds
Shared: Exploration · Mystery · Puzzle

Layers of Fear (2016)
Shared: Psychological Horror · Horror · Walking Simulator

Scanner Sombre
Shared: Exploration · Horror · Walking Simulator

Garten of Banban
Shared: Psychological Horror · Horror · Puzzle

September 7th
Shared: Psychological Horror · Exploration · Horror

Don't Play This
Shared: Psychological Horror · Exploration · Horror

The Painscreek Killings
Shared: Exploration · Puzzle · Mystery

Mouthwashing
Shared: Psychological Horror · Horror · Walking Simulator

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

MiSide
Shared: Psychological Horror · Horror · Singleplayer

Blue Prince
Shared: Puzzle · Exploration · Mystery

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

Inside the Backrooms
Shared: Horror · Puzzle · Psychological Horror

The Complex: Expedition
Shared: Exploration · Horror · Psychological Horror

The Death | Thần Trùng
Shared: Psychological Horror · Puzzle · Horror

Summer of '58
Shared: Psychological Horror · Horror · Walking Simulator