checked-no =>Stage Select: On the title screen, press <B> <A> R <A> <C> U <D> <A>. On the next screen, press <START> and the stage select will appear. * Stage Skip: While playing the game after entering the stage select code, you can pause the game and press <A> to skip ahead a level. =>Easy Emeralds: Enter the stage select code twice, then play any level with either Knuckles of Tails. Gather 50 rings and enter their bonus level, but when the bonus level starts, press <A>+<START>. You'll end the level and collect the emerald.