Adventures of Rocky and Bullwinkle
Books: Nintendo Games Secrets - The Best of How to Win at Nintendo Games
Random stage warp
Random stage warp
As soon as you start (the very beginning when Bullwinkle is standing
in front of the building), press B, A, A, Start, A, B, B, A on
Controller 2. Start the game, and whenever you press B on Controller 2
you will warp to a random stage. This code will not let you finish the
game or even jump, but you will be invincible and it will allow you
to walk through and preview later stages.