Pause the game (press the F1 key) and enter one of the following passwords and then unpause the game to make them work.
Effect Password All-access code. Gives you all eight keycards HIRAKE GOMA Allows you to carry an almost unlimited ammount of ammo and explosives INTRUDER Allows you to carry up to 999 rations ISOLATION Get promoted to an extra rank DS 4 Literally means ''You're the best''. Gets you promoted to a four-star rank ANTA WA ERAI
Contributed By: JUndaunted.
Pass Electric Fields
To pass through electric fields without taking any damage, press F1 to pause the game, then F4 to enter the Load screen then press ESC to leave it and press F1 to unpause.
To get infinite expendable items, first pick up the item, then press F1 to pause the game, then F4 to enter the Load screen then press ESC to leave it and press F1 to unpause. If done right, the item will appear once again for you to pick up!
Cigarettes For Time
After defeating the Metal Gear, use the cigarettes and you'll get an extra 2000 units of time.
Know Something We Don't?
You can submit new cheat codes for this game using our Cheat Submission Form.
Have We Been Fooled?
If you see a non-working or fake code in the list above, let us know by using our Problem Submission Form.
More Metal Gear from GameSpot