Games like S.S.D. SCP-1373
Games like S.S.D. SCP-1373 include Poppy Playtime, Buckshot Roulette, Phasmophobia, Outlast, and SOMA. We matched them by the tags players give S.S.D. SCP-1373 on Steam (Adventure, Immersive Sim, 3D, First-Person, and Psychedelic): closest matches first, and among equally close ones the better-known games.
Poppy Playtime
Shared: First-Person · Dark · Adventure
Buckshot Roulette
Shared: First-Person · Dark · 3D
Phasmophobia
Shared: First-Person · Psychological Horror · Dark
Outlast
Shared: First-Person · Adventure · Psychological Horror
SOMA
Shared: Dark · Psychological Horror · Sci-fi
Platform 8
Shared: Adventure · Immersive Sim · Psychological Horror
The Cabin Factory
Shared: Immersive Sim · Adventure · First-Person
Welcome to Kowloon
Shared: Adventure · First-Person · Psychological Horror
There Exists Nobody
Shared: Immersive Sim · Adventure · 3D
Subliminal
Shared: Realistic · First-Person · Psychological Horror
The Exit 8
Shared: Immersive Sim · First-Person · 3D
The Escape: Together
Shared: Immersive Sim · First-Person · Realistic
Still Wakes the Deep
Shared: First-Person · Adventure · Psychological Horror
Who's at the door?
Shared: Adventure · Immersive Sim · First-Person
Garten of Banban
Shared: First-Person · 3D · Psychological Horror
Inside the Backrooms
Shared: Adventure · First-Person · Psychological Horror
Fresh Start Cleaning Simulator
Shared: 3D · First-Person · Realistic
MiSide
Shared: First-Person · 3D · Psychological Horror
ROUTINE
Shared: Adventure · Sci-fi · Dark
9 Childs Street
Shared: Adventure · First-Person · Dark
From The Darkness
Shared: First-Person · Dark · Adventure
Visage
Shared: First-Person · Adventure · Dark
Layers of Fear (2016)
Shared: First-Person · Adventure · Psychological Horror
Escape the Backrooms
Shared: First-Person · Adventure · Psychological Horror