MARIO PARTY 3 CHEATS

N64

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

Taunt:
Press L during the game to hear your character's taunt. You can only do this while on game board, but not in mini-games.
 
Easy coins:
Roll doubles on the dice after using a mushroom for ten coins.

Bonus mini-games:
Complete the game in story mode to unlock the Backtracks and Waluigi's Island mini-games in party mode.