Games like Geo Soundtrack
Games like Geo Soundtrack include Mountain, Deliver Us The Moon, Florence, Kerbal Space Program, and Wobbly Life. We matched them by the tags players give Geo Soundtrack on Steam (Adventure, Indie, Casual, Simulation, and Music): closest matches first, and among equally close ones the better-known games.

Mountain
Shared: Indie · Simulation · Casual

Deliver Us The Moon
Shared: Adventure · Indie · Space

Florence
Shared: Indie · Adventure · Casual

Kerbal Space Program
Shared: Simulation · Space · Indie

Wobbly Life
Shared: Adventure · Simulation · Casual

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

妄想症:Deliver Me
Shared: Indie · Adventure · Simulation

SPACEPLAN
Shared: Indie · Casual · Adventure

Astrox Imperium
Shared: Indie · Simulation · Space

Chained Together
Shared: Adventure · Casual · Simulation

FTL: Faster Than Light
Shared: Indie · Space · Sci-fi

Solar 2
Shared: Indie · Casual · Space

Space Pilgrim Episode I: Alpha Centauri
Shared: Adventure · Indie · Space

Outer Wilds
Shared: Adventure · Space · Indie

Home Behind
Shared: Adventure · Indie · Casual

SPORE™
Shared: Simulation · Casual · Space

Observation
Shared: Adventure · Indie · Space

Melvor Idle
Shared: Casual · Indie · Adventure

Elite Dangerous
Shared: Space · Simulation · Sci-fi

Endless Sky
Shared: Space · Adventure · Simulation

That's not my Neighbor
Shared: Adventure · Casual · Indie

Rebel Galaxy
Shared: Adventure · Space · Sci-fi

There Is No Game: Wrong Dimension
Shared: Indie · Adventure · Casual

3030 Deathwar Redux - A Space Odyssey
Shared: Adventure · Indie · Simulation