Mario Tennis: Ultra Smash

These modes include Classic Tennis, which focuses on Chance Shots and Jump Shots with no power-ups, Knockback Challenge, which allows players to face AI opponents that increase in difficulty and supports Amiibo, Mega Battle, where mushrooms become available that let you transform into a giant with more power and range, Mega Battle Rally, where players have to smash a ball back and forth as many times as possible, and Online Mode, which enables playing against other players online with Amiibo support.