Masterspace Alternatives

Empyrion is a 3D open world, space survival adventure in which you can fly across space and land on...

Pytheas is a galactic exploration, vehicle based, construction game.

Space Engineers is an Action-Adventure, Sandbox, Voxel-based, Space, Single and Multiplayer video game created and published by Keen Software House.

StarMade is a Minecraft inspired 3D space shooter.

ScrumbleShip is the most accurate space combat simulation devised to date.

Official Webpage for Evochron Mercenary, a 3D space combat and trader simulation. Screenshots, free demo, forum, cheats, videos, and more.

Unscripted, living and thriving universe.

Explore, build, fight, trad and mine in a procedural co-op space sandbox.

I'm thinking of experimenting with making models for stonehearth. What are my options for the voxel model software? what would you recommend?

Galaxy on Fire is a space combat and trading simulation.

Welcome to From Dust, the latest original concept by Eric Chahi. Discover a modern god game where nature is the star!

A vast, procedurally-generated universe ready to be explored, exploited, and conquered.