Code Effect

At the main menu hold L1, L2, R1, R2 and press Up or Down Adjust Cloud Speed
At the main menu press Up, Up, Down, Down, X, X, Left, Right, Left, Right, X, Triangle, X, Triangle Level Select

Hyper Mode - To do this, first enter the stage select code. Go to the first boss, beat him and when you get to stage 2-1, pause the game and quit. After getting back to the main screen, the words world 2 should appear by the game start. Start the game again, and go to world 6-3. Pause the game and quit again, this time the words world 6 will be next to the start screen. Press Left and you will see the word ''HYPER'' appear. Start a new game with this code and you will be able to play extra stages, and also jump 3 times higher than you normally could.

Tex Support AI - Press Up, Down, L1, R2, R1, L2, Left, Right, Select at the title screen and then go to your AI selection screen and tex will be available to choose. This is the only way to obtain Tex.