Bonus level
Enter the Boss room in the first level with over 3:00 remaining on the clock. Transform into a mutant and quickly defeat the Boss. Repeatedly tap [Start] as the level ends. The phrase "Stage X the strange level" will appear. This bonus level contains two extra lives.
In-game reset
Pause game play and press [A] + [B] + [C], [Start].
Alternate demo sequence
Complete level 1 with 5:00 or more minutes remaining to see a new demo sequence and advance directly to level 3. A bonus stage will also appear. Complete level 2 within the same time limit to advance to level 4.
| <CENTER>Level</CENTER> | Password |
| <CENTER>2</CENTER> | REISOR |
| <CENTER>3</CENTER> | ELTBUD |
| <CENTER>4</CENTER> | TEKROH |
| <CENTER>5</CENTER> | RUATNK |
| <CENTER>6</CENTER> | PHENIX |
| <CENTER>7</CENTER> | GOFMTS |