Bonus Game Boards:
Beat story mode to enable the Backtracks and Waluigi's Island game boards in party mode.

Classic Saved Game Names:
Make a new saved game file, but don't enter a name. The game will automatically name the file after a classic Nintendo character.

Easy Coins:
Roll doubles on the dice after using a mushroom for ten coins.

Taunt Move:
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.

Unlock Game Guy's Room:
Become the Miracle Star in Story Mode to unlock Game Guy's door in the Mini-Game room.

Dorrie Dip Clue:
If you see an item you want, wait until it's right behind you, hit Dorrie, and that item you wanted will now be yours.

Fight Milleniumm Star:
Beat every borad game (Includeing Waligi's Island).

Unlock Mario Puzzle Pro:
Play the shy guy games in the mini game island, then get up to 1,000 coins or over. Then shy guy will give you Mario puzzle pro.

Dizzy Dinghies:
Earn all 64 mini-games during the board games. If you see the label "???" it means you have not yet played that game. Dizzy Dinghies is a one-player time trial racetrack where you choose between three different racing vehicles. Your time will be recorded.

Stardust Battle:
To get the Stardust Battle Minigame, beat all the boards and the FAKE Millinium Star. The First spot in the ??? Minigames is it. It is hard, but fun.

How to get the Battle Room:
Get at least 3 of the following Mini-Games: Battle, Duel,1 vs 3, 2 vs 2, and 4-player games.

Become the Miracle Star:
After you beat a Battle Royal Map or a Duel Map in Story Mode, you get graded of S, A, C, or B. The best is S, the second best is A, third is C, and fourth is B. To become the Miracle Star you have to get most of the grades S. To do that you have to get at least 2 stars more than the second place victor on a Battle Royal Map, on a Duel Map you have to beat the character that you are fighting by at least 3 heart pieces.

How to Select Your Way in Waluigi's Island:
When your passing in the 4 way part that you have to jump, wait until the arrow is pointing the way that you want.

Boring Wait:
Sick of watching the computer playing item mini-games, or any other mini-games they do by themselves or dueling another computer? Press Start, and go to Control Settings. Now, you can select whether or not you want to watch the computer do their item mini-games or anything related (shy guy mini-games, or dueling with another computer, etc.) You can also turn off item explanations so you can just go right to a mini-game! (You can also edit many other things in item explanation such as save game, and many other settings.)

Thanks to Revolution reader Jonathan, Ryan McGraw, Jeffrey, Rocky Rodriguez, Jeff Pogan, Anthony GS and Aaron "The Man" Illingworth!