Games like De-Void
Games like De-Void include Firewatch, What Remains of Edith Finch, Tacoma, Outer Wilds, and Deliver Us The Moon. We matched them by the tags players give De-Void on Steam (Adventure, Indie, Walking Simulator, Sci-fi, and Story Rich): closest matches first, and among equally close ones the better-known games.

Firewatch
Shared: Adventure · Walking Simulator · Story Rich

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

Tacoma
Shared: Adventure · Walking Simulator · Indie

Outer Wilds
Shared: Adventure · Story Rich · Space

Deliver Us The Moon
Shared: Adventure · Indie · Sci-fi

Gone Home
Shared: Walking Simulator · Indie · Story Rich

The Talos Principle
Shared: Sci-fi · Philosophical · Story Rich

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

No Man's Sky
Shared: Sci-fi · Space · Adventure

The Invincible
Shared: Adventure · Walking Simulator · Sci-fi

The Turing Test
Shared: Sci-fi · Adventure · Space

Starfield
Shared: Space · Sci-fi · Story Rich

The Station
Shared: Adventure · Indie · Sci-fi

Observation
Shared: Adventure · Indie · Sci-fi

The Stanley Parable
Shared: Indie · Walking Simulator · Adventure

Before Your Eyes
Shared: Indie · Story Rich · Adventure

The Talos Principle 2
Shared: Story Rich · Sci-fi · Philosophical

Elite Dangerous
Shared: Sci-fi · Space · Exploration

Valley
Shared: Adventure · Indie · Exploration

Slime Rancher
Shared: Adventure · Exploration · First-Person

Tomb Raider Game of the Year
Shared: Adventure · Story Rich · Female Protagonist

Journey
Shared: Adventure · Indie · Walking Simulator

Cradle
Shared: Adventure · Indie · Sci-fi

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