Games like The Seven Enchantments
Games like The Seven Enchantments include What Remains of Edith Finch, Firewatch, Layers of Fear (2016), SOMA, and Amnesia: A Machine For Pigs. We matched them by the tags players give The Seven Enchantments on Steam (Walking Simulator, Psychological Horror, Atmospheric, Story Rich, and Mystery): closest matches first, and among equally close ones the better-known games.

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

Firewatch
Shared: Atmospheric · Walking Simulator · Story Rich

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

SOMA
Shared: Psychological Horror · Atmospheric · Story Rich

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

Outer Wilds
Shared: Exploration · Story Rich · Mystery

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

Mouthwashing
Shared: Psychological Horror · Atmospheric · Story Rich

INFRA
Shared: Atmospheric · Walking Simulator · Exploration

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

Return of the Obra Dinn
Shared: Mystery · Story Rich · Atmospheric

The Vanishing of Ethan Carter
Shared: Atmospheric · Walking Simulator · Mystery

Still Wakes the Deep
Shared: Psychological Horror · Walking Simulator · Story Rich

MiSide
Shared: Psychological Horror · Story Rich · Atmospheric

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

Poppy Playtime
Shared: Psychological Horror · First-Person · Mystery

Gone Home
Shared: Walking Simulator · Atmospheric · Exploration

The Painscreek Killings
Shared: Mystery · Story Rich · Exploration

The Bridge Curse 2: The Extrication
Shared: Psychological Horror · Story Rich · Mystery

Layers of Fear 2 (2019)
Shared: Psychological Horror · Walking Simulator · Atmospheric

Kholat
Shared: Walking Simulator · Atmospheric · Psychological Horror

Psalm 5:9-13
Shared: Psychological Horror · Walking Simulator · Mystery

The Park®
Shared: Psychological Horror · Walking Simulator · Atmospheric

Blue Prince
Shared: Mystery · Exploration · Story Rich