Mario Tennis Open is the first 3DS installment of the Mario Tennis series , and the first handheld entry to be in full 3D and the first period to support online multiplayer. The game's story mode follows Mario and his friends as they compete in a tennis tournament.
The gameplay in Mario Tennis Open is fast-paced and fun, with a variety of power-ups and special moves that can be used to outmaneuver opponents. Players can choose from a range of characters, including classic Nintendo icons like Mario, Luigi, and Princess Peach.
Mario Tennis Open features online multiplayer, allowing players to compete against each other in local or wireless matches. The game also includes a variety of cups and tournaments, with unlockable costumes and accessories for the Mii character.
Mario Tennis Open was released on 20 May 2012 for the Nintendo 3DS console, marking a new era in handheld gaming with its 3D graphics and online multiplayer capabilities.