Games like Phantom Incident
Games like Phantom Incident include Firewatch, What Remains of Edith Finch, Outer Wilds, Amnesia: A Machine For Pigs, and Layers of Fear (2016). We matched them by the tags players give Phantom Incident on Steam (Adventure, Horror, Atmospheric, Mystery, and Exploration): closest matches first, and among equally close ones the better-known games.
Firewatch
Shared: Adventure · Atmospheric · Mystery
What Remains of Edith Finch
Shared: Atmospheric · Mystery · Adventure
Outer Wilds
Shared: Adventure · Exploration · Mystery
Amnesia: A Machine For Pigs
Shared: Horror · Atmospheric · Walking Simulator
Layers of Fear (2016)
Shared: Horror · Atmospheric · Walking Simulator
Stray
Shared: Adventure · Atmospheric · Exploration
Scanner Sombre
Shared: Horror · Adventure · Exploration
The Vanishing of Ethan Carter
Shared: Atmospheric · Mystery · Adventure
CARIMARA: Beneath the forlorn limbs
Shared: Adventure · Mystery · Horror
Poppy Playtime
Shared: Horror · Singleplayer · Mystery
INFRA
Shared: Atmospheric · Exploration · Adventure
Five Nights at Freddy's: Security Breach
Shared: Horror · Singleplayer · Adventure
The Room
Shared: Mystery · Atmospheric · Adventure
PEAK
Shared: Adventure · Exploration · Atmospheric
Psalm 5:9-13
Shared: Horror · Mystery · Exploration
Outlast
Shared: Horror · Atmospheric · First-Person
Quern - Undying Thoughts
Shared: Adventure · Atmospheric · Mystery
DREDGE
Shared: Adventure · Exploration · Mystery
The Park®
Shared: Horror · Adventure · Atmospheric
The Long Dark
Shared: Atmospheric · Exploration · Adventure
Five Nights at Freddy's: Secret of the Mimic
Shared: Horror · Adventure · First-Person
SOMA
Shared: Horror · Atmospheric · Exploration
The Forest
Shared: Horror · Adventure · Exploration
RATSHAKER™
Shared: Horror · Exploration · Mystery