Catalyst Game Labs Shadowrun: Crossfire: Prime Runner Refit KitShadowrun: Crossfire: Prime Runner Edition Tweaks The Rules, Adds More Missions, And Makes Other Updates To The Popular Shadowrun: Crossfire Cooperative Deck Building Kit. To Make Sure All Players Can Join In The Fun Together, The Prime Runner Refit Kit Contains Just The Changed Items, So That Those Who Already Own The Game Can Buy Only The Items They Need To Get On The Same Footing As Other Players.