If you don't enter a name for yourself when you create a new save file and leave the field blank, the game will randomly pick a classic Nintendo character name for you (this means it will using something like Mario, Luigi, Yoshi, Wario, and other names)
When rolling the dice, roll doubles, after using a mushroom for 10 coins.
Hit L while playing to hear your character's taunt. You can't do this in mini game. Only while playing on game board.
Complete the game in story mode to unlock the Backtracks and Waluigi's Island mini-games in party mode.
Unlock 1-player Mario's Puzzle Party
Play story mode and get as many S star ratings as you can. If you get eight S star ratings and beat story mode, you will be able to go into the Game Guy's room in the mini-game room. Complete Game Guy's challenge by earning 1,000 coins in his special mini-games. When you are done, you will be able to play Mario's Puzzle Party in the mini-game room.
Unlock Stardust Battle Mini-game
Play story mode and complete it. After you beat the millenium star at the end of story mode, you will be able to play Stardust Battle in the mini-game room.
In Duel Mode, players start with these partners:
Mario - Koopa
Luigi - Goomba
Yoshi - Boo
DK - Thwomp
Wario - Bomb
Peach - Toad
Daisy - Sniffit
Waluigi - Pirahna
Power Up Duel Partners
To power up your partners in a duel mode, get the same partner in the back and front. The Eternal Star will improve their stats (Example: 2 Snowmen will be awarded +1 attack each; 2 Thwomps will have decreased salaries).