Royal Ruckus Storm the dungeon with Marceline and Lumpy Space Princess in Royal Ruckus! After their Princess Day hijinks, Marcy and LSP went looking for more trouble. Make your way through the Dungeon of the Crystal Eye, the Slime Kingdom caverns, and Candy Kingdom’s royal dungeons to find out what Princess Bubblegum is up to. Blast evil creatures along the way using lumpin’ powerful special attacks. Cause a royal ruckus in this dual pad shooter.