Go to the Mini-game stadium. Go inside the pot-o-skills. To do this code you must play the mini-game stadium in 1P. Pick your character,and pick any 3 computer characters. Select yes for the handicap. Now set the handicap to 50 coins. Then set the computer characters' skill level to "All Hard".Now set the number of turns to 30.Now begin playing. When the screen says "Last turn" turn the 3 computer characters to player2,3,and 4.You may get from 700 to 1000 coins. If you have the casino box with you try to double the amount of coins you get in the end.