Citizens of the Commonality! It`s a time of adventure, a time of opportunity! A time for humankind itself to change! Join us, in the hyperadvanced worlds of the Core or the chaos and conflict of the Fringe, and reach for the stars! Charge your blaster, thoughtcast your orders to the starship sentience, and fire up the planing engines. Come and defend the light of humanity`s greatest civilization as it spreads to the stars. The universe awaits! This Player`s Guide features all the rules you need to create and play characters in the Mindjammer universe - even a sentient starship! Included are descriptions and histories of the New Commonality of Humankind, as well as new starmaps, homeworlds, and genotypes of Commonality Space, and rules for the Mindscape and virtual worlds.