From the main menu go to cheats and enter "GOBY" for unlimited ammo.
Men With Hats
Enter SEAHORSE at the password screen at the option menu.
Invisible Enemies
Enter TRIGGER at the password screen at the options menu.
Bullet Shield Mode
Enter TANG at the password screen at the option menu.
Silver Bullet Mode
Enter TILEFISH at the password screen at the option menu.
All Levels
Enter BUTTERFLY at the password screen at the options menu.
Staying Alive
Having problems staying alive? Well if you are there's an encredibly easy way to stay alive. One thing you should do is keep moving. Alot of times your enemies will charge at you with their bayonets, when they do this, make sure you have a semi-auto gun, or a machine gun, if you have the 1903 Springfield or other bolt actions, you're in alot of trouble. Another thing you should be aware of is the amount of ammo you have and your health.
Rubber grenade mode
Enter DAMSEL at the password screen at the options menu. Select the 'Bonus' option to enable/disable this cheat.
Snipe-O-Rama mode
Enter PUFFER at the password screen at the options menu. Select the 'Bonus' option to enable/disable this cheat. This cheat allows all guns to zoom like a sniper rifle.
All replay items
Enter GARIBALDI at the password screen at the options menu. Select the 'Bonus' option to enable/disable this cheat.
Perfectionist
Enter HOGFISH at the password screen at the options menu. Select the 'Bonus' option to enable/disable this cheat. This cheat allows the Japanese to kill you with one shot.
Achilles head mode
Enter MANDARIN at the password screen at the options menu. Select the 'Bonus' option to enable/disable this cheat. The Japanese can only be killed with a headshot when this cheat is active.
Popeye arms
Enter SPINEFOOT at the password screen at the options menu.
Control main menu
Move the Right Analog-stick to control the background at the main menu.
Search for Yomashita Gold Entrenchment tool
During the mission, you will find a Buddha statue sitting Indian-style holding a lotus flower. Approach it and you will take it.Near the end of the mission, after you save the pilot, go to the end of the hall and place the lotus in the fountain in front of the Buddha lying down. A message stating 'You have achieved enlightenment' will appear.The fountain will lower and a door will open to your right, Indiana Jones style with a great earthquake. Take the shovel inside and a message stating 'You have the entrenching tool'will appear.You can now load and switch your weapons much faster for the remainder of the game.
