Simpsons: Road Rage, The

To turn all of the characters into 2D, similar to cardboard cutouts go to the options screen and Hold in the L and R buttons and enter in the following code:

X, X, X, X

You should hear a sound if done correctly.

Hold down the L and R button on the options screen and then enter the following codes to unlock more Springfield Dollars: Y, Y, Y, Y

Complete all 10 missions on mission mode. Then select Homer to use his new car.

Missions 1 through 9 can be skipped if you fail them 5 times. The last mission, however, cannot be skipped. Also note that skipping the missions does not prevent you from getting your reward, The Homer.

To unlock a Halloween Bart Simpson, set your GameCube's date to 10/31. Bart will appear as Frankenstein on the character select screen (under the ? category).