Solar Crusaders is a top-down 4X strategy game with a sandbox universe and virtual economy.
Features:
A vast universe: Dozens of star systems in a persistent multiplayer universe, full of planets, asteroids, comets, and more.
Command a fleet: Up to four ships can fly under your command in single player and multiplayer battles.
A rich virtual economy: Mine ore, refine fuel, build ships, stations, and trade with others to earn your way to fame.