Grow Lanser Codes -

All items:
Press Up, Right, L2(2), Down, R2(2), Up, Down, R2, L2, Right, Left, Square(3) during game play while walking. A sound will confirm correct code entry.

Instant victory:
Enter the character menu during a battle, then press Start, Right, Left, Up, Down, R1, Square, R2, Square, Start, Down, Left, X. Resume game play and all on screen enemies will be defeated. Note: This has no effect on Bosses.

M2:
Successfully complete the game to have the M2 available in the next game.