Weapon restoration and Invincibility
Weapon restoration: go to select play mode, hold down OPTION and enter code 7-3-4-6-2-8, then release OPTION Invincibility: go to select play mode, hold down PAuSE and enter 2-1-7-8-5-9, then release PAUSE If you enter a code correctly, you will hear a solitary beep. You have to press all the buttons simultaneously.