I thought I'd put up the details for the participation game that Gadge and Andy (Of Tales From The Maelstrom) and myself put together and demo'ed for a Rogue Trader day a few years ago. It's designed from 2-7 players, along with a GM.
Hopefully there's enough info here for anyone to play this game, or one based on it, but here's a few photos of the game in action, to start with:
Setting up the table, and getting ready:
The main opposing forces advance on each other:
Eldar war-droids encounter vicious local fauna:
Governor Kellogs PDF army, preparing to put up a fight:
...and getting one:
If you want to run this game in any way, all the details are after the cut: