Here is the combination that you have to do for ivate the rainbow easter egg - Go to charer select menu, and select the charers whithout going out in this order. - CUSTOM, JOSIE, CUSTOM, DAN, JOSIE, DAN, JOSIE, CUSTOM, DAN, JOSIE, DAN, CUSTOM. Once u have done it the custom charer should be on red color, then go to the main menu and play campaign mode or battle mode, thanks for watching
