Games like Starlight Scouts
Games like Starlight Scouts include Outer Wilds, No Man's Sky, Exo One, COCOON, and Deliver Us The Moon. We matched them by the tags players give Starlight Scouts on Steam (Space, Exploration, Adventure, Atmospheric, and Comedy): closest matches first, and among equally close ones the better-known games.

Outer Wilds
Shared: Space · Exploration · Adventure

No Man's Sky
Shared: Space · Exploration · Adventure

Exo One
Shared: Space · Exploration · Atmospheric

COCOON
Shared: Adventure · Exploration · Atmospheric

Deliver Us The Moon
Shared: Adventure · Space · Atmospheric

Elite Dangerous
Shared: Space · Exploration · Sci-fi

Thank Goodness You're Here!
Shared: Adventure · Exploration · Comedy

LIMBO
Shared: Puzzle Platformer · Atmospheric · Adventure

Chained Together
Shared: Adventure · Platformer · Puzzle Platformer

The Swapper
Shared: Space · Atmospheric · Adventure

FAR: Lone Sails
Shared: Adventure · Atmospheric · Exploration

ANIMAL WELL
Shared: Exploration · Puzzle Platformer · Atmospheric

PEAK
Shared: Adventure · Exploration · Comedy

Firewatch
Shared: Adventure · Atmospheric · Exploration

Stray
Shared: Adventure · Atmospheric · Exploration

Starfield
Shared: Space · Exploration · Sci-fi

FEZ
Shared: Exploration · Platformer · Adventure

Rain World
Shared: Exploration · Atmospheric · Platformer

EVE Online
Shared: Exploration · Adventure · Space

Hollow Knight
Shared: Platformer · Exploration · Atmospheric

GRIS
Shared: Atmospheric · Adventure · Platformer

Kerbal Space Program 2
Shared: Space · Exploration · Simulation

Kerbal Space Program
Shared: Space · Exploration · Simulation

SPORE™ Galactic Adventures
Shared: Space · Adventure · Exploration