All Weapons
At the password screen, input the following code:
ALL.TOOLEDUP

Last Level
At the password screen, input the following code:
ENDGAMELEVEL

Invincibility
At the password screen, input the following code:
I.AM.IMORTAL

Level Select
At the password screen, input the following code:
RABBITBADGER

Unlock Bonus Levels
At the password screen, input the following code:
BONUS.LEVELS

Infinite Ammo
At the password screen, input the following code:
LOADSOFSTUFF

Alternative Music
At the password screen, input the following code:
JOURNEYS.END

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