This mod is set in Games Workshop's, great Warhammer 40,000 ( 40k ) universe. Each map pits Imperial Space Marines against the Tyranid swarm and the Legions of Chaos, competing in a series of mission objectives, culminating in a battle to decide the fate of the planet. Latest scheduled play times and list of servers: steamcommunity.com/groups/exterminatusgame
This download is a self extracting installer including 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. Beta 8 brings Exterminatus up to date with the latest (2013) version of the source game engine, numerous balance improvements, particularly for the Terminator class.
Alpha 8.04B is out now so this is outdated.