Games like Astrox: Hostile Space Excavation
Games like Astrox: Hostile Space Excavation include No Man's Sky, Kerbal Space Program, Space Engineers, EVE Online, and Elite Dangerous. We matched them by the tags players give Astrox: Hostile Space Excavation on Steam (Simulation, Space, Indie, Adventure, and Sandbox): closest matches first, and among equally close ones the better-known games.

No Man's Sky
Shared: Space · Open World · Adventure

Kerbal Space Program
Shared: Simulation · Space · Sandbox

Space Engineers
Shared: Space · Simulation · Sandbox

EVE Online
Shared: Adventure · Space · Simulation

Elite Dangerous
Shared: Space · Simulation · Open World

Empyrion - Galactic Survival
Shared: Simulation · Space · Open World

The Long Dark
Shared: Open World · Adventure · Simulation

Don't Starve
Shared: Adventure · Indie · Sandbox

Spaceflight Simulator
Shared: Space · Simulation · Sandbox

Don't Starve Together
Shared: Adventure · Open World · Sandbox

Astrox Imperium
Shared: Simulation · Space · Indie

Gold Mining Simulator
Shared: Simulation · Indie · Mining

Rebel Galaxy
Shared: Space · Open World · Adventure

X4: Foundations
Shared: Simulation · Space · Open World

A Game About Digging A Hole
Shared: Simulation · Sandbox · Mining

Universe Sandbox
Shared: Simulation · Space · Sandbox

Breathedge
Shared: Space · Indie · Sandbox

Starbound
Shared: Space · Sandbox · Adventure

My Time at Portia
Shared: Simulation · Open World · Adventure

Kerbal Space Program 2
Shared: Space · Sandbox · Simulation

The Forest
Shared: Adventure · Open World · Crafting

Totally Accurate Battle Simulator
Shared: Simulation · Sandbox · Indie

Slime Rancher
Shared: Adventure · Open World · Simulation

SPORE™ Galactic Adventures
Shared: Simulation · Space · Adventure