Star Wars: The Clone Wars Cheats

At the options screen, press Up, Up, Down, Down, Left, Right, Left Right, B, A, Start using the D-Pad. The Ewok Celebration Music should start to play.

Pick any characters to start with. Once playing reset, and there should be squares with characters to choose from. Players go to the player you want to both be, stay there and let the timer run out. Players will now be able to be the same character.