Use the following key when entering the passwords.
Enter MDLDSSLR as a code.
Enter RRDMLSDL as a code.
Enter LMDRRMSR as a code.
Enter LLMSRDMS as a code. Shuriken will no longer be available.
Enter DMLDMRLD as a code. Healing items will no longer be available.
Enter SLLMRSLD as a code. All healing items will be into Temaki Sushi.
Enter LDMSLRDD as a code. One enemy hit will kill the turtles.
Enemies 2X Power:
Enter MSRLSMML as a code.
Enemies 2X Defense:
Enter SLRMLSSM as a code.