Half-Life 2 Mod - Exterminatus Alpha 8.02

This zip archive includes all you need to host and play Exterminatus - Rival Species 2. Two Species: Humans and Tyranids. Twelve distinct classes, each with their own weapons. Nine maps from the 41st millennium, each with their own missions and objectives. Alpha 8.02 includes several changes to improve the server stability, and minor fixes to several maps.
This mod is set in Games Workshop's great Warhammer 40,000 universe. Each map pits Imperial Space Marines against the Tyranid swarm, competing in a series of mission objectives, culminating in a battle to decide the fate of the planet.