There is no multi-player mode, only contests against AI opponents on the user's computer.
Initially the game was completely mouse-driven, but the version 1.3 patch introduced hot keys for many functions.
Star Lords, dubbed "MOO 0" by fans, was the foundation of Master of Orion. Star Lords was an unpolished prototype and never commercially released. Steve Barcia demonstrated it to MicroProse and to gaming journalist Alan Emrich, who got so enthusiastic that he and his friend Tom Hughes helped Barcia to refine the design. Emrich and Hughes later wrote the strategy guide for the finished product.