This download is a release candidate of the 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.
I open it in steam and it exits after loading up, no error message given
Dont worry it works fine now for some odd reason... Awesome voice work by the way