Key to Every Level
At the Title screen, before Start and Password appears, press A, B, A, B, B, A, Up.

Level Passwords
1-2 CVJB 8888
1-3 GVJD 8888
1-4 RVJH 8888
1-5 XVJS 8888
1-6 XVJY 8888
1-7 8VBY 8888
1-8 CYDY 8888
1-9 MYHY 8888
1-10 TYSY 8888
2-1 TZ_ _ 8888
2-2 QZVJ B888
2-3 OZVJ D888
2-4 8ZVJ H888
2-5 ?ZVJ S888
2-6 ?ZVJ Y888
2-7 CZVB Y888
2-8 QZYD Y888
2-9 4ZYH Y888
2-10 KZYS Y888
3-1 KZ_ _ Z888
3-2 6ZZV JB88
3-3 TZZV JD88
3-4 CZZV JH88
3-5 2ZZV JS88
3-6 2ZZV JY88
3-7 QZZV BY88
3-8 6ZZY DY88
3-9 XZZY HY88
3-10 RZZY SY88
4-1 RZ_ _ ZZ88
4-2 JZZZ VJB8
4-3 KZZZ VJD8
4-4 QZZZ VJH8
4-5 VZZZ VJS8
4-6 VZZZ VJY8
4-7 6ZZZ VBY8
4-8 JZZZ YDY8
4-9 ?ZZZ YHY8
4-10 8ZZZ YSY8
5-1 8Z_ _ ZZZ8
5-2 MZZZ ZVJB
5-3 RZZZ ZVJD
5-4 6ZZZ ZVJH
5-5 6ZZZ ZVJS
5-6 GZZZ ZVJY
5-7 JZZZ ZVBY
5-8 MZZZ ZYDY
5-9 2ZZZ ZYHY
5-10 CZZZ ZYSY
End CZ_ _ ZZZZ

Note: "_" indicates a space