The expansion includes a campaign for each species, with a new unit per faction, some special campaign buildings, and over 40 new custom maps. New art resources include additional music tracks and two cinematics. The new units are: * Zerg scantolisk, a hydralisk strain acting as a mobile spore colony. * Protoss psi templar, armed with ranged ground attack based on the archon's attack and equipped with the terran medic's Restoration ability. * Terran Phantom, a ground attack Valkyrie. The new units received new sprites and portraits.