The Warhammer 40.000 Tyranid fan group you ever wanted to be!!!!!! Be the will of the Hive Mind and devour whatever you want!!!! (except another members/fans of here...)
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. 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Alpha 8.04B is out now so this is outdated.