This download is a self extracting installer including all you need to host and play Exterminatus - Rival Species 2. Three Species: Imperium, Tyranids and Chaos. Eighteen distinct classes, each with their own weapons. Eleven maps from the 41st millennium, each with their own missions and objectives. Alpha 8.80 features new kill icons, updates to the maps ex_compromised, ex_forge, the Chaos Missile Launcher textures and Clay_More's imperial wall lamp.