checked-no =>Stage Select: On the main menu, hold U+<B>, highlight Options, and press <START>. You can now select your starting round - note that this will also allow you to play round 6 on easy difficulty, something normally impossible. =>9 Lives: In the Options menu, highlight Lives and press CNTRL II: U+<A>+<B> and CNTRL I: R. You'll now be able to select up to 9 lives per continue. =>Duplicate Characters: On the main menu, hold CNTRL II: D+<C> and select 2 Player. A tone will sound, and now both players will be able to choose the same character. =>Hidden Characters: There are two hidden characters as well as a few super versions of the primary characters. * Roo: At the end of 2-1 you will fight Roo and Bruce. If Roo is alive at the end of the battle, he will hop away and will be available for selection as a character when you next Continue. To start the game with Roo unlocked, on the title screen hold U+<B> and press <START>. * Shiva: At the end of level 1 you will fight Shiva. Defeat Shiva and then hold <B> and do not release it until the next stage begins. You will be able to select Shiva the next time you continue. * Super Axel: On the character select screen, press <C> to select Axel, then hold <A> and sweep the PAD in a clockwise circle until Axel appears. When he does, press <A> and he will be superpowered. This code is rather difficult to activate. * Super Skate: Start the game as Skate and die without scoring a single point. Your next Skate will be superpowered.