Go to the title screen and press Left (5 times), Up (5 times), Right (5 times), Down (5 times), Select (5 times). Now you have all levels and bonuses. To get a sound test press and hold A and press left or right
GamesRadar is the premiere source for everything that matters in the world of video games. Casual or core, console or handheld - whatever systems you own or whatever genres you love, GamesRadar is there to filter out what's worth your time and to help you get even more from your games. We deliver the best advice, the most in-depth features, expert reviews, and the essential guides for all the top games.