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Nintendo Wii - Double Dungeons cheats

Jump to front of The Last Boss Door:
Go to the password screen and enter the following password:

cHR0EScxgoAq (where the 4th letter is ZERO)
iky7ihOfeBGe  (where the 7th letter is big O letter)

Beginning of Level 22:
Go to the password screen and enter 2R3KD4RG0J9D3YT0664LJ

End of Level 22:
Go to the password screen and enter YNzYSMChriGIgLV-ih0dfCGe

Get 65535 HP:
Enter either Player01 or Player 02 as a password, with the 
remaining spaces filled in with either +'s or -'s.

Invincible Player Two:
Enter any working password for player one, then enter 
KKKKKKKKKKKKKKKKKKKKKKKK as a password for player two.