In the not-too-distant future mankind relies on tiny telepathically controlled robots to perform such dangerous tasks as deep-sea research disaster relief and interplanetary exploration. These popular and easily customized robos also form the favorite sport of tomorrow battling in the holographic arenas called holosseums. Now that criminals have taken to using these mighty miniature machines as weapons the custom robo phenomenon has grown into a problem for the whole of society. A young boy transfers to a new school where he meets robo-battle champion saki a young girl who won the championship partnered with her brother. Now shes looking for a new robo commander to groom into a champion and in this young boy she sees remarkable potential. However saki has a secret and when the young boy discovers the truth about his new partner his world changes forever. Custom robo the sport of tomorrow. In the not-too-distant future competitors battle customized robot warriors in holographic battle arenas. Victory is determined not only by fighting skill but also by how well robo commanders design their robot gladiators so players need both brawn and brains to survive. Players explore a sci-fi landscape as they fight toward the custom robo championship powering up their robos as they go. With tons of unique parts there are literally millions of possible custom robo combinations giving players complete control over how they fight their battles. Players can challenge their friends to one-on-one robo battles anytime and anywhere using either nintendo wi-fi connection multi-card play or ds download play. Players use the touch screen to customize every aspect of their robo including its weaponry and then polish it up after every battle to bring it back to top fighting form.