Bonus mini-games
Successfully complete story mode to unlock the Backtracks, Waluigi's Island, and Stardust Battle mini-games in party mode. Play all regular mini-games to unlock the Dizzy Dinghies mini-game. Collect over 1000 coins in Game Guy's Room to unlock the single player Mario's Puzzle Party mini-game.

Miracle Star
Earn an "S" rank more than 8 times on the duel and board levels.

Face on Mt. Mariomore
Successfully complete story mode with any character to place his or her face on Mt. Mariomore.

Easy mini-games
To unlock the regular mini-games easily, save the game after a turn. If the game selects a mini-game that is new to you, play it. If not, reset the game and try again.

Easy coins
Roll doubles on the dice after using a mushroom for ten coins. Roll triples on the dice after using a Golden Mushroom for twenty coins.

Taunt
While playing a game, press L to hear your character's taunt. You can only do this while on game board, but not in mini-games.

Classic saved game names
Create a new saved game file, but do not enter a name. The game will automatically name the file after a classic Nintendo character.