Mario Tennis:  Ultra Smash - Wii U [Digital Code] In the Mario Tennis: Ultra Smash game, tennis meets the outrageous action of the Super Mario series. Smash the ball down the court with the new Jumpshot and gain a HUGE advantage over opponents in a brand-new mode, Mega Battle, by grabbing a Mega Mushroom. Outwit your rivals and challenge friends to singles and doubles matches as your favorite Mushroom Kingdom character!