The Digital Deluxe Edition comes with the Explorer's Treasure Box, which contains useful items for your adventure: Amy's Memory Tokens, a Portal Gear, Chaos Emerald Vault Keys, Additional Gloves & Shoes for Sonic, and a Digital Art Book with a 25-track Digital Mini Soundtrack. Please ensure that the most recent patch is installed before installing DLC. Please note that the contents will not be validated if it's installed AFTER COMPLETING THE TUTORIAL. Welcome to the evolution of Sonic games! Please install “Adventurer's Treasure Box” and “Explorer's Treasure Box” before starting A NEW GAME. Jump into adventure, wield the power of the Ancients, and fight to stop these new mysterious foes. Accelerate to new heights and experience the thrill of high-velocity, open-zone platforming freedom as you race across the five massive Starfall Islands. Battle hordes of powerful enemies as you explore a breathtaking world of action, adventure, and mystery. Worlds are colliding in Sonic the Hedgehog’s newest high-speed adventure! In search of the missing Chaos emeralds, Sonic becomes stranded on an ancient island teeming with unusual creatures. About This Game Experience Sonic like never before!