Games like 209
Games like 209 include Platform 8, The Exit 8, Amnesia: A Machine For Pigs, Firewatch, and What Remains of Edith Finch. We matched them by the tags players give 209 on Steam (Interactive Fiction, Walking Simulator, Hidden Object, Exploration, and Adventure): closest matches first, and among equally close ones the better-known games.
Platform 8
Shared: Walking Simulator · Adventure · Hidden Object
The Exit 8
Shared: Walking Simulator · Exploration · Immersive Sim
Amnesia: A Machine For Pigs
Shared: Walking Simulator · Interactive Fiction · Exploration
Firewatch
Shared: Walking Simulator · Adventure · Exploration
What Remains of Edith Finch
Shared: Walking Simulator · Exploration · Adventure
CARIMARA: Beneath the forlorn limbs
Shared: Exploration · Adventure · Walking Simulator
Escape the Backrooms
Shared: Exploration · First-Person · Horror
Visage
Shared: Survival Horror · First-Person · Adventure
The Cabin Factory
Shared: Walking Simulator · Immersive Sim · Adventure
Inside the Backrooms
Shared: Adventure · Exploration · Survival Horror
Scanner Sombre
Shared: Walking Simulator · Exploration · Adventure
Lethal Company
Shared: Exploration · First-Person · Survival Horror
Five Nights at Freddy's: Security Breach
Shared: Exploration · First-Person · Survival Horror
POOLS
Shared: Walking Simulator · Exploration · Realistic
Metel - Horror Escape
Shared: Hidden Object · 3D · First-Person
SOMA
Shared: Exploration · Horror · Survival Horror
Killer Frequency
Shared: Interactive Fiction · Adventure · Walking Simulator
Who's at the door?
Shared: Walking Simulator · Adventure · Immersive Sim
Layers of Fear (2016)
Shared: Walking Simulator · First-Person · Adventure
Psalm 5:9-13
Shared: Exploration · Walking Simulator · Horror
PEAK
Shared: Adventure · Exploration · First-Person
INFRA
Shared: Exploration · Walking Simulator · Adventure
From The Darkness
Shared: Walking Simulator · First-Person · Dark
Gone Home
Shared: Walking Simulator · Exploration · First-Person