Extra Lives and Invincibility
Start an adventure game and press start (to pause) during gameplay. Now press L1, L1, L2, L1, press start to unpause, then press start to pause the game again. Now press to the right to add an extra life, and every odd life also makes the player invincible.
Level select
Select "Adventure" from the main menu. Press R1(2), R2, R1 when the level selection screen appears to unlock all of them.
To enter cheat mode
Press Start to pause game play in adventure mode. Press L1(2), L2, L1, then press Start to resume the game. Press Start to pause game play again. Press Right for an extra life. Note: An odd number of lives will result in invincibility. A sound will confirm correct code entry.
