Armored Core 3 cheats and cheat codes for Playstation 2

Add the defeated AC's emblem to your list:
Press Select + Start button, while viewing a defeated AC 
on the victory screen.

First person view
Have a saved game files from Armored Core 2 or Armored Core 2: Another 
Age on your memory card. Resume in Armored Core 3 from that memory card, 
pause the gameplay, after press L1 + R2 + X + Square + D-pad.

Drop your Right arm weapon, Back Unit, and Inside parts:
Hold L1 + L2 + R1 + R2 + Triangle to 

Drop Extension parts:
Hold L1 + L2 + R1 + R2 + L3

Drop Left arm weapons:
Hold L1 + L2 + R1 + R2 + Circle to