Games like Nightsoil
Games like Nightsoil include Firewatch, What Remains of Edith Finch, Gone Home, The Beginner's Guide, and Brothers - A Tale of Two Sons. We matched them by the tags players give Nightsoil on Steam (Adventure, Story Rich, Atmospheric, Narrative, and Horses): closest matches first, and among equally close ones the better-known games.

Firewatch
Shared: Adventure · Story Rich · Atmospheric

What Remains of Edith Finch
Shared: Story Rich · Atmospheric · Adventure

Gone Home
Shared: Atmospheric · Story Rich · Short

The Beginner's Guide
Shared: Story Rich · Atmospheric · Adventure

Brothers - A Tale of Two Sons
Shared: Adventure · Story Rich · Atmospheric

A Plague Tale: Innocence
Shared: Adventure · Story Rich · Atmospheric

INSIDE
Shared: Atmospheric · Story Rich · Dark

FAR: Lone Sails
Shared: Adventure · Atmospheric · Exploration

Little Nightmares
Shared: Adventure · Atmospheric · Story Rich

DEATH STRANDING DIRECTOR'S CUT
Shared: Story Rich · Atmospheric · Adventure

Hellblade: Senua's Sacrifice
Shared: Atmospheric · Story Rich · Adventure

Sally Face - Episode One
Shared: Story Rich · Adventure · Dark

The Witcher 3: Wild Hunt — Remastered
Shared: Story Rich · Atmospheric · Adventure

Night in the Woods
Shared: Adventure · Story Rich · Atmospheric

Red Dead Redemption 2
Shared: Story Rich · Adventure · Horses

Outer Wilds
Shared: Story Rich · Adventure · Atmospheric

Journey
Shared: Adventure · Atmospheric · Exploration

Little Nightmares II
Shared: Adventure · Atmospheric · Story Rich

Before Your Eyes
Shared: Story Rich · Narrative · Adventure

Valiant Hearts: The Great War™ / Soldats Inconnus : Mémoires de la Grande Guerre™
Shared: Atmospheric · Adventure · Story Rich

SOMA
Shared: Atmospheric · Story Rich · Dark

INMOST
Shared: Adventure · Story Rich · Atmospheric

Layers of Fear (2016)
Shared: Atmospheric · Story Rich · Adventure

OneShot
Shared: Story Rich · Atmospheric · Adventure