Spud Dastardly presents the biggest Master of Orion: Conquer the Stars mod in the galaxy! This mod is massive overhaul of the gameplay experience. It's effectively a full expansion pack for the game. It includes a total rebalance of every aspect of gamepla...

(This is the full version) Compatible with 5X v4.4.1 This mod adds over 100 new specials that can appear on planets in game! Massive planets can be found now too, at a low chance and only in certain orbits. Between the Advanced Resource Extraction tech fie...

VERSION UCP 6.4b To make this mod actually work you MUST follow the included “ReadMe.txt” for the install instructions. This must be done everytime you want to upgrade to the new version! Version 6.4+ of UCP requires a new game, older saves will not work. ...