Jump to the Last Boss Door
Go to the password screen carefully enter the following password:
cHR0EScxgoAq - The 4th character is zero.
iky7ihOfeBGe - The 7th character is a letter.
2R3KD4RG0J9D3YT0664LJ - Beginning of Level 22
YNzYSMChriGIgLV-ih0dfCGe - End of Level 22
Get 65535 HP
Enter either "Player01" or "Player 02" as a password, with the remaining
spaces filled in with either +'s or -'s.
Invincibility for player 2:
Input any working password for player one, then enter
KKKKKKKKKKKKKKKKKKKKKKKK as a password for player two.