The Bonus Match-Up is a sweet new gameplay mode that allows you to wrestle in some awesome new arenas with some of the tough-to-unlock wrestlers in the game, including the drooling alieans Kang and Kodos and Itchy and Scratchy.

To unlock this mode, go to the "Press Start" screen and press "CIRCLE, UP, UP, DOWN, DOWN, LEFT, RIGHT, LEFT, RIGHT." When you input the code correctly, "Bonus Match Up" will appear at the top of the screen. Now when you press start, the Bonus Match Up will be available on the mode selection screen.

To unlock Bumble Bee Man for use, wrestle and beat him in the New Challenger Circuit. The next time you select wrestlers, he will be in the line-up. Don't forget to save!

To unlock Moe for as a wrestler, beat him in the Defender Circuit. The next time you select wrestlers, he will be in the line-up. Don't forget to save!

To unlock Professor Frink for wrasslin', beat him in the Champion Circuit. The next time you select wrestlers, he will be in the line-up. Don't forget to save!

Okalee Dokalee! To unlock Ned Flanders for use, wrestle and beat him in the Champion Circuit. The next time you select wrestlers, he will be in the line-up. Don't forget to save!

Go to the "Press Start" screen and enter the following: CIRCLE, L1, L1, L1, UP, DOWN. A sound will confirm correct code entry.

To remove the dark outlines around players, go to the "Press Start" screen. Enter CIRCLE, RIGHT, UP, RIGHT, DOWN. You will hear a sound confirming correct code entry.

To unlock bigger, faster, funnier credits, enter this code at the title screen: CIRCLE, L1, CIRCLE, L1, CIRCLE, R1, CIRCLE, R1. Now the Credits option will be available at the main menu.

To battle in the Big Ape arena, enter the following code at the "Press Start" screen: CIRCLE, R2, R1, CIRCLE, R2, R1. The mat will look lik the game's creators. A horrific sight, indeed.