Sigma World Online

Summary

Sigma World Online is a multiplayer sandbox spanning generated star systems with planets, satellites and asteroids, where players mine, farm, cook, research and build. Fresh starter systems are generated every three in-game years (36 real days), and progress runs through a tech tree from solid-propellant rockets to antimatter quantum engines.

• Generated planets, satellites and asteroids with pollution ecology
• New starter star system every 36 real days
• Terraforming, destructible terrain, space stations with warp engines