Games like Switch the Darkness
Games like Switch the Darkness include The Exit 8, Layers of Fear (2016), Platform 8, Scanner Sombre, and What Remains of Edith Finch. We matched them by the tags players give Switch the Darkness on Steam (Psychological Horror, Horror, Hidden Object, Walking Simulator, and Indie): closest matches first, and among equally close ones the better-known games.

The Exit 8
Shared: Horror · Walking Simulator · Psychological Horror

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

Platform 8
Shared: Psychological Horror · Walking Simulator · Hidden Object

Scanner Sombre
Shared: Horror · Walking Simulator · Psychological Horror

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

SOMA
Shared: Psychological Horror · Horror · Atmospheric

Poppy Playtime
Shared: Horror · Psychological Horror · Puzzle

Inside the Backrooms
Shared: Horror · Psychological Horror · Puzzle

The Room Two
Shared: Puzzle · Hidden Object · Horror

MiSide
Shared: Psychological Horror · Horror · 3D

Garten of Banban
Shared: Horror · Psychological Horror · Puzzle

Mouthwashing
Shared: Psychological Horror · Horror · Indie

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

Firewatch
Shared: Walking Simulator · Atmospheric · Exploration

Iron Lung
Shared: Horror · Psychological Horror · Indie

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

INFRA
Shared: Puzzle · Exploration · Walking Simulator

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

Lethal Company
Shared: Horror · Psychological Horror · Exploration

The Cabin Factory
Shared: Psychological Horror · Horror · Walking Simulator

Escape the Backrooms
Shared: Horror · Psychological Horror · Exploration

Firework
Shared: Horror · Indie · Psychological Horror

Sally Face - Episode One
Shared: Psychological Horror · Horror · Indie

The Room
Shared: Puzzle · Hidden Object · Horror