For one, players cannot hold items behind themselves, and it is, therefore, harder to block an incoming shell, as a player cannot hold a banana peel or Koopa Shell behind them. This gameplay is quite different than that of other Mario Kart games. Each track is also playable in the 'Mirror Mode,' where the tracks are mirrored however, Mirror Mode is only available for 150cc. Five different cup races are available, one of which is the All Cup Tour, featuring all sixteen tracks. Double Dash!! builds and improves on its predecessors in many ways, the most prominently featured of which is that each kart carries two riders a driver and a thrower. The player's character choice affects which karts can be ridden and which special items they receive. Players choose from a cast of Nintendo characters who are split into light, middle, or heavyweight classes. Many of these changes stayed in later games in the series while other things, such as two characters on one kart, were only featured in this game. Mario Kart: Double Dash!! had some of the most rapid and dramatic changes made to it than any other Mario Kart game. One of the gameplay mechanics is the Double Dash!!