GW is on a gaming spree!
http://www.games-workshop.com/gws/wnt/blog.jsp?pid=6300032
I have no idea why they never made an expansion for the already released Space Marine FPS game (which was awesome by the way).
This one seems to be turn based, though. Like the original space hulk.
Your thoughts?
EDIT:
Here's another article if you're interested:
http://www.rockpapershotgun.com/2012/12/10/space-hulk-space-hulk-space-hulk-space-hulk/