Hey, Dude, sorry it took me so long to get back to this :p
I have a couple of questions, I hope you're not too tired of answering to them:
1. Do you have any links to reliable sources of information about the settings? I'm pretty embarrassed to say I only watched the movie and never even got to the book/s, and there is some lack of information. For instance, I was under the impression the rebels lost the war in the original story, so I don't get how this is an alternate reality.
2. You've talked about killing a bunch of characters on the start, what with the blood bath part, I'm assuming you were talking about NPCs? Since we are talking about a game where all except one are supposed to die out, wouldn't that mean a bunch of players will be locked out of the RP early on? Or how long a life span do you intend every player to have, since the goal is pretty much to kill any opponent that isn't from your pack on sight? That could mean an RP as short as an oneshot for a couple of us.
3. Is this going to be a big-group game? Just curious, cause if so- might want to find a system that would prolong the life span of the different characters (see section 2), by using ideas other people suggested earlier, awarding points and gifts from sponsors for imprisonment of others or abusing an opponent to create a truly mouth watering spectacle for the viewers :p
I'm currently working on my CS, don't start without me!