Games like Edge
Games like Edge include MiSide, Mouthwashing, Summer of '58, Layers of Fear (2016), and Fears to Fathom - Ironbark Lookout. We matched them by the tags players give Edge on Steam (Psychological Horror, Simulation, Thriller, Adventure, and Idler): closest matches first, and among equally close ones the better-known games.
MiSide
Shared: Psychological Horror · Horror · First-Person
Mouthwashing
Shared: Psychological Horror · Horror · Walking Simulator
Summer of '58
Shared: Thriller · Psychological Horror · Horror
Layers of Fear (2016)
Shared: Psychological Horror · Horror · Walking Simulator
Fears to Fathom - Ironbark Lookout
Shared: Psychological Horror · Thriller · Horror
Visage
Shared: Psychological Horror · Horror · Adventure
No, I'm not a Human
Shared: Psychological Horror · Horror · Indie
Blair Witch
Shared: Psychological Horror · Adventure · Horror
Poppy Playtime
Shared: Horror · Psychological Horror · First-Person
[Chillas Art] The Convenience Store
Shared: Psychological Horror · Simulation · Adventure
Still Wakes the Deep
Shared: Psychological Horror · Horror · Walking Simulator
Outlast
Shared: Psychological Horror · Horror · First-Person
Firewatch
Shared: Adventure · Walking Simulator · First-Person
What Remains of Edith Finch
Shared: Walking Simulator · Adventure · First-Person
Welcome to Kowloon
Shared: Psychological Horror · Adventure · Horror
Platform 8
Shared: Psychological Horror · Simulation · Adventure
Fears to Fathom® - Scratch Creek
Shared: Psychological Horror · Horror · Adventure
SOMA
Shared: Psychological Horror · Horror · Dark
Little Nightmares II
Shared: Adventure · Psychological Horror · Horror
The Cabin Factory
Shared: Psychological Horror · Horror · Walking Simulator
Dollmare
Shared: Simulation · Psychological Horror · Horror
Fears to Fathom - Norwood Hitchhike
Shared: Psychological Horror · Thriller · Horror
The Park®
Shared: Psychological Horror · Horror · Walking Simulator
The Test
Shared: Simulation · Psychological Horror · Visual Novel