Cheat option:
Press Left(2), Right(2), Up, Down, Left, Right, Up(2), Down(2) at the main menu. Press Down to move below the "Load Game" option to access the "Cheat" option. Press X to select that option for various cheats. Note: Press Right when selecting a level to display extra levels.

Level select:
Enable the "Cheat option" code. Press L1, R1, L1, R1, L1, R1, L1, R1, L2, R2 at the cheat menu. A sound will confirm correct code entry.

Unlimited lives:
Enable the "Cheat option" code. Press L1, R1, L2, R2, L1, R1, L2, R2 at the cheat menu.

Extra lives:
When low on lives, replay the earlier levels over and over. Note: Do not save the game after completing each level that is replayed. After accumulating enough lives, return to the last level that was unlocked and continue the game.