The Warhammer Universe is a rich environment that has provided millions of gamers with countless hours of entertainment. The setting has been used as the background for role playing games, miniatures war games, board games, card games, video games, and a quite entertaining animated film written by Dan Abnett. But a rich environment can be intimidating to neophytes.
For those of you wanting to know what this whole 40k thing is about, some wonderful chaps have created Warhammer 40k Lore in About a Minute. Remember...in the Grim Dark Future of the 41st Millennium there is Only War.