Unlock Level Select:
At the main menu, press L1, Circle, L1(3), Circle(4), L1(2), Circle(2), L1, Circle, L1, Circle(4). Then to select a level press R1 or R2.

Unlock Infinite Ammo:
At the main menu, press Circle(4), L1, Circle, L1(2), Circle, L1(2), Circle, L1(4).

Infinite Energy:
At the main menu, press Circle, L1(3), Circle, L1, Circle(2), L1, Circle(3), L1(5), Circle(2), L1.


Stage passwords
Enter the following codes to unlock the corresponding stage.

Easy Stage

Unlock 1-2: Q58NM

Unlock 1-3: TDM75

Unlock 1-4: VO1PP

Unlock 2-1: 0F20F

Unlock 2-2: 42W3T

Unlock 2-3: VR4T2

Unlock 2-4: 1NBCX

Unlock 2-5: ZF0XD

Unlock 3-1: 2XVSD

Unlock 3-2: W0J8H

Unlock 3-3: THYDH

Unlock 3-4: 1SOJ3

Unlock 4-1: YCTS6

Unlock 4-2: Q29LH

Unlock 4-3: WS7Y6

Unlock 4-4: 2RHK4

Unlock End: UP405


Normal Stage

Unlock 1-2: LDZCQ

Unlock 1-3: UH8OT

Unlock 1-4: JCP6V

Unlock 2-1: 0HX8Y

Unlock 2-2: JGK-P

Unlock 2-3: 6EZD5

Unlock 2-4: CXVI6

Unlock 2-5: Y5KXJ

Unlock 3-1: AHO3J

Unlock 3-2: 3Y8-D

Unlock 3-3: 0MZDU

Unlock 3-4: 130BP

Unlock 4-1: PUUKS

Unlock 4-2: UDUY4

Unlock 4-3: HQPIW

Unlock 4-4: RB9RU

Unlock End: C42R1


Hard Stage

Unlock 1-2: 4HWGE

Unlock 1-3: X06BE

Unlock 1-4: H4ULJ

Unlock 2-1: OE95W

Unlock 2-2: 5K5H7

Unlock 2-3: SHCMM

Unlock 2-4: PA3K1

Unlock 2-5: Q2NGZ

Unlock 3-1: S2MF-

Unlock 3-2: -7FRU

Unlock 3-3: 3CZFK

Unlock 3-4: V2MW8

Unlock 4-1: 28SD1

Unlock 4-2: 21FSD

Unlock 4-3: BOFGK

Unlock 4-4: Z1IT2

Unlock End: 2MP3P