Hyper Princess Pitch - Official game guide|
Introduction - Basics - Enemies - Bosses - Secrets and trivia
Stage 1 - Stage 2 - Stage 3 - Stage 4 - Stage X
Click here for a large version of the map (opens in a new window).
Unlock Stage X
To go to Stage X instead of Stage 4, you need to counter the giant rainbow laser fired by the boss of this stage. To perform the counter, press either Up, Down, Left, Right or Up, Down, Right, Left while not firing.