MARIO SUPERSTAR BASEBALL UNLOCKABLES
Grand Prix mode
Beat all mini games on star difficulty.
Coin Derby - mini game
Complete Challenge Mode Once
Star dash
Clear Star difficulty on all six mini-games.
Secret Character Baby Luigi
Complete Challenge Mode with Yoshi
Secret Character Dixie Kong
Complete challenge mode with Donkey Kong
Secret Character Hammer Bro
Complete Challenge Mode with Bowser
Secret Character Monty Mole
Complete Challenge Mode with Mario
Secret Character Petey Piranha
Complete Challenge Mode with Wario
Secret Character Toadette
Complete Challenge Mode with Peach
Unlock Bowser for Challenge Mode
To unlock Bowser for Challenge mode, simply beat Challenge mode on Special with any character.