Level               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      3H77HO2
After Card 4        4HH7HO2
Before Shredder     1HHHH02