A pilotable mech? A giant sandworm? New vehicles? New cheats? New game modes? A new faction? There's a lot coming to the wild wasteland of RAGE 2, including a the first DLC expansion, Rise of the Ghosts.
As the newly appointed prince or princess, you can fulfill your royal duties by issuing ordinances to help the town prosper, or take a more rural approach to governing by raising your own fruits and vegetables and helping townsfolk.