Enter the code's on the Password Screen, in Continue Game Option, on the Main Menu of the Game.

Effect	Password
Level 1 Completed	Y24KQTVQCK
Level 10 Completed	S12MMXRCRX
Level 11 Completed	K42MBNZBKQ
Level 12 Completed	K42YBNPNMX
Level 13 Completed	M72LBNXRKT
Level 2 Completed	S15KPZPNQT
Level 3 Completed	R12NPZPNPZ
Level 4 Completed	Q12NPZSFTX
Level 5 Completed	Q12LMXTKKT
Level 6 Completed	S63NMXTKNP
Level 7 Completed	Y81MMXXTFJ
Level 8 Completed	M15NMXVRDM
Level 9 Completed	T81NMXVRTX