From the introduction: In The StarCraft Roleplaying Game, a group of players will each control a Terran character in the StarCraft setting and go on wild and dangerous adventures in this rich universe. Another individual, known as the Game Master, will control the various entities and life forms of the universe, and create adventures, epic tales, and stories for the players to embark on. The fate of humanity rests in the hands of such heroes. Are you up to the task?