Snipe mode
Enter SUPERSHOT on the Enigma.
Silver Bullet
Enter SILVERSHOT on the Enigma.
Rubber Grenade
Type BOUNCE on the Enigma.
One hit kills
Type FLAWLESS on the Enigma.
Men With Hats
Type MADHATTER on the Enigma.
MOH Torpedo
Type BIGBOOMER on the Enigma.
Unlock Mission 2
Type EAGLE on Enigma.
Unlock Mission 3
Type HAWK on the Enigma.
Unlock Missions 4 to 6
Type PARROT, DOVE, then TOUCAN on the Enigma machine.
Invisible Enemies
Type HIDENSEEK on the Enigma machine.
God mode
Pause then hit B, L, B, R, Y, L, X, DOWN.
Unlock everything
Type BALLOWAX on the Enigma.
Finish current mission with Gold star
Type SEAGULL on the Enigma.
Bullet Shield
Type REFLECTOR on the enigma.
Unlock all levels
Type ALBINO on the enigma.
Achilles Head
Type HEADSUP on the Enigma.