Here are some Push Button Codes:

Push-Button Codes

Invisible (Multi): Your character will be invisible until you die. Each character must enter this to be invisible for one death:
L + Top C
L&R + Left C
R + Up
L + Right C
R + Left C
L + Right
L&R + Left C
L + Right C
L + Up
L&R + Bottom C
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Get the Cheats to Appear in the Cheats Folder: The following codes are activated when in the Cheat Options folder. If a code is entered correctly, you hear a watch beep. Exit the folder, and return to find the cheat you entered:

Invincible
R + Left
L + Down
Left
Up
Down
R + Left C
L + Left C
L&R Button + Left
L&R Button + Right
L + Left C

All Guns
Down
Left
Top C
Right
L + Down
L + Left
L + Up
Left C
Left
Bottom C

Invisibility
L&R + Left C
L&R + Bottom C
L + Left C
R + Left C
R + Right
L&R + Left
L + Right
Left
L&R + Left C
L + Down

Infinite Ammo
L + Left C
L&R + Right
Right C
Left C
R + Left
L + Bottom C
L&R + Left
L&R + Bottom C
L + Up
Right C

DK Mode
L&R + Up
Right C
R + Left
R + Up
Up
R + Right
Up
L&R + Bottom C
L&R + Down
L&R + Left C

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