Cheat Mode:
Press L + R at the main menu to display the code entry screen, then enter one of the following codes for the corresponding effect.
| All monsters and levels unlocked | 141421 |
| All levels unlocked | 271828 |
| One hit building destruction | 071767 |
| Invincible to projectiles | 986960 |
| All power upgrades | 011235 |
| Demo mode: two random monsters | 082864 |
| Instant demo: two random monsters | 874098 |
| View opening sequence | 667300 |
| View ending sequence | 667301 |
| View credits | 667302 |
| Display game version | 314159 |
| Disable all codes | 000000 |
