This download is a self extracting installer including all you need to host and play Exterminatus - Rival Species 2. Two Species: Humans and Tyranids. Thirteen distinct classes, each with their own weapons. Nine maps from the 41st millennium, each with their own missions and objectives. Alpha 8.47 features a new map from EX regular DontAsk, a batch of new sounds from voice actor Bulwark and a a batch of tweaks and enhancements to existing ex maps.