Games like Yellow
Games like Yellow include What Remains of Edith Finch, Summer of '58, SOMA, Firewatch, and Outlast. We matched them by the tags players give Yellow on Steam (Simulation, Walking Simulator, Exploration, 3D, and First-Person): closest matches first, and among equally close ones the better-known games.

What Remains of Edith Finch
Shared: Walking Simulator · Atmospheric · Exploration

Summer of '58
Shared: Walking Simulator · Atmospheric · Horror

SOMA
Shared: Atmospheric · Horror · Exploration

Firewatch
Shared: Walking Simulator · Atmospheric · First-Person

Outlast
Shared: First-Person · Horror · Atmospheric

Amnesia: A Machine For Pigs
Shared: Walking Simulator · Horror · First-Person

DON'T SCREAM
Shared: Walking Simulator · First-Person · Atmospheric

Phasmophobia
Shared: Horror · First-Person · Psychological Horror

Lethal Company
Shared: First-Person · Exploration · Horror

Layers of Fear (2016)
Shared: Walking Simulator · Atmospheric · Horror

Poppy Playtime
Shared: Horror · First-Person · Dark

September 7th
Shared: Walking Simulator · Exploration · Simulation

The Exit 8
Shared: Exploration · Walking Simulator · Horror

Scanner Sombre
Shared: Walking Simulator · Exploration · Atmospheric

Psalm 5:9-13
Shared: Exploration · Walking Simulator · Horror

The Long Dark
Shared: Exploration · Atmospheric · First-Person

Dollmare
Shared: Simulation · 3D · First-Person

Visage
Shared: Horror · First-Person · Dark

Garten of Banban
Shared: First-Person · Horror · 3D

The Mortuary Assistant
Shared: Simulation · Horror · Atmospheric

Subnautica 2
Shared: Exploration · Horror · First-Person

Five Nights at Freddy's
Shared: Horror · First-Person · Psychological Horror

Don't Play This
Shared: Exploration · Walking Simulator · Horror

Mouthwashing
Shared: Atmospheric · Horror · Walking Simulator

