Developed with Harmonix, creators of Rock Band and Dance Central | Fast-paced music mixing game that lets you create unexpected song mixes | Keep the music pumping with 3 ways to play: Freestyle, Clash, and Party | Includes 60 DropMix cards featuring music from top artists and popular songs | Requires free DropMix app, available in select countries: Australia, Belgium, Canada, Chile, Denmark, Finland, France, Germany, Hong Kong, Ireland, Luxembourg, Macau, Mexico, New Zealand, Netherlands, Norway, Singapore, Spain, Sweden, UK, USA | Recommended ages: AGES 16+4 x 15V AA alkaline batteries required Not included