Mario Tennis Unlockables

Play Luigi's Shooting Star mini-game and win both levels. When you get to the third level, beat the high score of 60. You can now play on the Castle Court in linked play and exhibition modes.

Play Donkey Kong's Banana Bunch mini-game and win both levels. When you get to the third level, beat the high score of 60. You can now play on the Jungle Court in linked play and exhibition modes.

Unlock the Nintendo 64 characters, then check the mini-game screen. More entries should be available. you will unlock even more mini-games, win the Junior, Senior, Varsity, and Traveling Leagues in Singles and Doubles.

Use the Transfer Pak with the Nintendo 64 version of Mario Tennis. Select "Transfer" at the main menu, then select "Game Pak Check". After it checks, an icon that says "Transfer N64 Characters" will appear. This will allow you to play as Bowser, Waluigi, Wario, and Yoshi.

Complete the game in Singles

After finishing the game in Doubles

Defeat the students you face in the Junior, Senior, Varsity, and Traveling Leagues you will unlock them at the character selection screen.

Get every Medal and Gold Trophy in single player mode. After that, you must win Mario's Mini Game, Boo Blast's High Score. The Star Court will now appear at the course selection screen.

Play Baby Mario's Target Shot mini-game and win both levels. When you get to the third level, beat the high score of 60. You can now play on the Tropics Court in linked play and exhibition modes.

By beating all the Mario characters in exhibition mode, including the Nintendo 64 characters.