Games like STIGMA: The Salem Legacy
Games like STIGMA: The Salem Legacy include What Remains of Edith Finch, No, I'm not a Human, Firewatch, Mouthwashing, and The Test. We matched them by the tags players give STIGMA: The Salem Legacy on Steam (Psychological Horror, Walking Simulator, Story Rich, Choices Matter, and Multiple Endings): closest matches first, and among equally close ones the better-known games.

What Remains of Edith Finch
Shared: Story Rich · Walking Simulator · Atmospheric

No, I'm not a Human
Shared: Psychological Horror · Choices Matter · Story Rich

Firewatch
Shared: Story Rich · Walking Simulator · Atmospheric

Mouthwashing
Shared: Psychological Horror · Story Rich · Atmospheric

The Test
Shared: Story Rich · Psychological Horror · Multiple Endings

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

Amnesia: A Machine For Pigs
Shared: Walking Simulator · Story Rich · Psychological Horror

The Beginner's Guide
Shared: Walking Simulator · Story Rich · Atmospheric

Detroit: Become Human
Shared: Story Rich · Choices Matter · Multiple Endings

SOMA
Shared: Psychological Horror · Story Rich · Atmospheric

The Stanley Parable
Shared: Walking Simulator · Psychological · First-Person

Outer Wilds
Shared: Story Rich · Mystery · Atmospheric

Oxenfree
Shared: Story Rich · Choices Matter · Atmospheric

Sally Face - Episode One
Shared: Psychological Horror · Story Rich · Mystery

SILENT HILL 2
Shared: Psychological Horror · Story Rich · Atmospheric

OneShot
Shared: Story Rich · Atmospheric · Choices Matter

MiSide
Shared: Psychological Horror · Story Rich · Atmospheric

The Coffin of Andy and Leyley
Shared: Story Rich · Psychological Horror · Multiple Endings

The Forgotten City
Shared: Choices Matter · Story Rich · Mystery

INFRA
Shared: Walking Simulator · Atmospheric · Story Rich

Zero Escape: The Nonary Games
Shared: Story Rich · Psychological Horror · Choices Matter

OMORI
Shared: Psychological Horror · Story Rich · Multiple Endings

Road 96
Shared: Choices Matter · Story Rich · First-Person

Death and Taxes
Shared: Story Rich · Psychological Horror · Choices Matter