Games like STROBO | Rave Horror
Games like STROBO | Rave Horror include No, I'm not a Human, Poppy Playtime, Five Nights at Freddy's: Security Breach, Inside the Backrooms, and Outlast. We matched them by the tags players give STROBO | Rave Horror on Steam (Psychedelic, Adventure, Survival Horror, Choices Matter, and Multiple Endings): closest matches first, and among equally close ones the better-known games.

No, I'm not a Human
Shared: Choices Matter · Psychological Horror · Multiple Endings

Poppy Playtime
Shared: Survival Horror · Psychological Horror · Mystery

Five Nights at Freddy's: Security Breach
Shared: Survival Horror · Multiple Endings · Adventure

Inside the Backrooms
Shared: Survival Horror · Adventure · Psychological Horror

Outlast
Shared: Survival Horror · Psychological Horror · Atmospheric

The Dark Pictures Anthology: House of Ashes
Shared: Choices Matter · Survival Horror · Multiple Endings

Firewatch
Shared: Adventure · Atmospheric · Mystery

Darkwood
Shared: Adventure · Survival Horror · Psychological Horror

Road 96
Shared: Adventure · Choices Matter · Colorful

SILENT HILL 2
Shared: Survival Horror · Psychological Horror · Atmospheric

Lethal Company
Shared: Survival Horror · Psychological Horror · Horror

Layers of Fear (2016)
Shared: Psychological Horror · Atmospheric · Adventure

Escape the Backrooms
Shared: Survival Horror · Psychological Horror · Adventure

Oxenfree
Shared: Choices Matter · Adventure · Atmospheric

DREDGE
Shared: Adventure · Mystery · Atmospheric

The Casting of Frank Stone™
Shared: Choices Matter · Multiple Endings · Adventure

SOMA
Shared: Psychological Horror · Survival Horror · Atmospheric

The Forgotten City
Shared: Adventure · Choices Matter · Mystery

Endacopia
Shared: Adventure · Psychological Horror · Multiple Endings

Backrooms: Escape Together
Shared: Survival Horror · Psychological Horror · Atmospheric

Outer Wilds
Shared: Adventure · Mystery · Atmospheric

Amnesia: The Dark Descent
Shared: Survival Horror · Psychological Horror · Atmospheric

Night in the Woods
Shared: Adventure · Choices Matter · Atmospheric

OMORI
Shared: Psychological Horror · Multiple Endings · Adventure