Games like Darkness Under My Bed
Games like Darkness Under My Bed include SOMA, Phasmophobia, Mouthwashing, Sally Face - Episode One, and Five Nights at Freddy's. We matched them by the tags players give Darkness Under My Bed on Steam (Horror, Psychological Horror, Supernatural, First-Person, and Exploration): closest matches first, and among equally close ones the better-known games.

SOMA
Shared: Horror · Psychological Horror · Exploration

Phasmophobia
Shared: Horror · Psychological Horror · Supernatural

Mouthwashing
Shared: Horror · Psychological Horror · Atmospheric

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

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

What Remains of Edith Finch
Shared: First-Person · Exploration · Mystery

Layers of Fear (2016)
Shared: Horror · Psychological Horror · First-Person

Poppy Playtime
Shared: Horror · First-Person · Psychological Horror

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

Outlast
Shared: Horror · First-Person · Psychological Horror

Firewatch
Shared: Adventure · First-Person · Exploration

Five Nights at Freddy's 2
Shared: Horror · Psychological Horror · Robots

No, I'm not a Human
Shared: Horror · Psychological Horror · First-Person

Pacify
Shared: Horror · Psychological Horror · Exploration

Fran Bow
Shared: Psychological Horror · Horror · Adventure

Amnesia: A Machine For Pigs
Shared: Horror · Psychological Horror · First-Person

Still Wakes the Deep
Shared: Horror · Psychological Horror · First-Person

The Mortuary Assistant
Shared: Horror · Supernatural · First-Person

Outer Wilds
Shared: Exploration · Mystery · Adventure

Visage
Shared: Horror · Psychological Horror · First-Person

Inside the Backrooms
Shared: Horror · Psychological Horror · Exploration

Outlast 2
Shared: Horror · Psychological Horror · First-Person

MiSide
Shared: Psychological Horror · Horror · First-Person

The Cat Lady
Shared: Horror · Psychological Horror · Adventure