Next cheapest price i could find was £25 at zavvi or amazon
Super Paper Mario gives you the chance to join the famous Nintendo plumber on another of his exciting adventures. The evil count Bleck has kidnapped Princess Peach, Luigi & Bowser and unleashed the Chaos Heart - a destructive force that threatens to engulf the entire universe. Only Mario can stop Bleck and rescue his friends. Play through a classic 2D Mario world, stomping on enemies and breaking blocks then by pressing a button you can flip Mario into a 3D perspective, allowing you to overcome obstacles and defeat hidden enemies. Super Paper Mario is suitable for players aged 3 years and over.