StarCraft: Precursor (1998)

StarCraft: Precursor (also known as StarCraft: Loomings) campaign is a series of single-player mission which take place approximately a month before StarCraft Episode I and depicts much of the Battle of Chau Sara. In this campaign, the player takes the role of an Alpha Squadron lieutenant, and zerg are always referred to as "xenomorphs".

• Release Date: September 1, 1998
• Developer: Blizzard Entertainment