Games like Ambrosia Sky
Games like Ambrosia Sky include Prey, What Remains of Edith Finch, Starfield, Outer Wilds, and Firewatch. We matched them by the tags players give Ambrosia Sky on Steam (Immersive Sim, Exploration, Sci-fi, Story Rich, and Atmospheric): closest matches first, and among equally close ones the better-known games.

Prey
Shared: Immersive Sim · Sci-fi · Atmospheric

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

Starfield
Shared: Sci-fi · Exploration · Story Rich

Outer Wilds
Shared: Exploration · Story Rich · Atmospheric

Firewatch
Shared: Story Rich · Atmospheric · Exploration

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

STAR WARS Jedi: Fallen Order™
Shared: Action-Adventure · Story Rich · Sci-fi

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

Fallout 4
Shared: Exploration · Atmospheric · Story Rich

Rise of the Tomb Raider™
Shared: Exploration · Story Rich · Female Protagonist

SOMA
Shared: Story Rich · Sci-fi · Atmospheric

Cyberpunk 2077
Shared: Story Rich · Sci-fi · Exploration

Tacoma
Shared: Story Rich · Sci-fi · Walking Simulator

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

Gone Home
Shared: Exploration · Walking Simulator · Atmospheric

DEATH STRANDING 2: ON THE BEACH
Shared: Exploration · Sci-fi · Atmospheric

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

Half-Life 2
Shared: Sci-fi · Story Rich · Atmospheric

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

Pacific Drive
Shared: Exploration · Story Rich · Sci-fi

STAR WARS Jedi: Survivor™
Shared: Sci-fi · Story Rich · Action-Adventure

Marvel's Guardians of the Galaxy
Shared: Story Rich · Action-Adventure · Sci-fi

Deliver Us The Moon
Shared: Sci-fi · Atmospheric · Story Rich

Cloudpunk
Shared: Sci-fi · Atmospheric · Story Rich