Always have two continues
Change the last character of any valid password to
"2".
In-game reset
Press [Start] + [Select] + [A] + [B]
during game play to return to the title screen.
| Status | Password |
| Before Scratch | 1000002 |
| After Scratch | 2100002 |
| After Card 1 | 4110102 |
| Before Dirtbag | 1111102 |
| After Dirtbag | 2311102 |
| After Raphael | 3311302 |
| After Card 2 | 4331302 |
| Before Triceraton | 1311302 |
| After Triceraton | 2711302 |
| After Donatello | 3711702 |
| After Card 3 | 4773702 |
| Before Scale Tail | 1777702 |
| After Scale Tail | 2H77702 |
| After Splinter | 3H77H02 |
| After Card 4 | 4HH7H02 |
| Before Shredder | 1HHHH02 |
| At Shredder, 16 lives | 1HHHHH2 |