Cheat mode:
     Press  L2 + R2 at the main menu to display the code entry screen.
Then,  enter  one  of the following six digit number codes to activate
the  corresponding  cheat  function. A sound will confirm correct code
entry.

All monsters and levels unlocked:
     Enter 141421 as a code.

All levels unlocked:
     Enter 271828 as a code.

One hit building destruction:
     Enter 071767 as a code.

Invincible to bullets, rockets and other projectiles:
     Enter 986960 as a code.

All monsters have all power upgrades:
     Enter  011235 as a code. Note: The star points will not appear on
their cards.

Demo mode with two random monsters:
     Enter 082864 as a code. Note: This earns PAR Damage stars.

Instant demo mode with two random monsters:
     Enter 874098 as a code. Note: This earns Destruction Complete stars.

View opening sequence:
     Enter 667300 as a code.

View ending sequence:
     Enter 667301 as a code.

View credits:
     Enter 667302 as a code.

Display game version:
     Enter 314159 as a code.

Disable all codes:
     Enter 000000 as a code.