Unlock Characters
Slime - Win 28 games.
Cactuar - Win 60 games.
Moogle - Clear the Mushroom Cup tournament.
Black Mage - Complete both Star Roads, located on the Star Cup map.
Ninja - Complete one of the two Star Roads, located on the Star Cup map.
White Mage - Complete both Star Roads, located on the Star Cup map.
Unlock Stages
Ghost Ship - Play 40 matches.
Bowser's Castle - Defeat Bowser in the Star Cup.
Daisy Garden - Complete the Flower Cup. This stage is not compatible with Volleyball.
Starship - Complete the Star Cup.
Koopa Beach - Complete a match that is played on Koopa Beach in Tournament Mode.
Peach's Castle - Complete the Mushroom Cup.
Waluigi Pinball - Play 35 matches. This stage is not compatible with Basketball.
Wario Factory - Complete a match that is played on Wario Factory in Tournament Mode.
Unlock Tournament Difficulty Levels
Complete all cups on normal.
Unlock Golden Sport Sets
Golden Hockey - Complete Hockey Tournament mode on both Normal and Hard difficulty.
Golden Basketball - Complete Basketball Tournament mode on both Normal and Hard difficulty.
Golden Dodgeball - Complete Dodgeball Tournament mode on both Normal and Hard difficulty.
Golden Volleyball - Complete Volleyball Tournament mode on both Normal and Hard difficulty.
Unlock Sports Mix
Complete tournaments in every sport and defeat Behemoth.
Unlock Everything in Gold
While on file select screen point your cursor on to a file you want the unlock on (KEEP THE CUSOR ON THE CHOSEN FILE THROUGH THE ENTIRE PROCESS). Hold [C] button on the nunchuk and press [1] three times then release. Then hold down the [Z] button and press [1] four times then release. Lastly, hold down both [C] + [Z] buttons and press [1] five times. If done correctly, all four gems should appear or you should see everything in gold tint once you enter the sport selection screen on the newly unlocked file you chose.