In the single player Arena mode you can steal your defeated opponent's emblem. To do this you of course have to beat an opponent in the Arena, then once beaten you can go back to the opponent selection screen where everyone is ranked by number. Highlight and select someone you have defeated and then press START + SELECT and you should hear a sound. Press the two buttons again and again until you hear the sound. Once you hear the sound go to the Edit Emblem screen and the emblem selected will be the one you just took from your opponent. You can then edit it or just wear it as your own.
Comments:If you are good at using heavyweight bipedals, you will love this, it has an attack power over 10,000 and defense over 3,000!
Press either R3 or L3.
While holding R1 + R2 + L1 + L2, press R3 + L3.
Load your saved game from the orginal Armored Core 2 game into the One Player Scenario to start where you left off before the expansion. This, of course, hinges on the fact that you played and saved a file from the original.
Complete the game and load your completed save file from the title screen. You'll have access to three new missions that will unlock some awesome extra parts.
Complete the game and load your completed save file from the title screen to begin a new game. You can now use an overweight AC.
Human Plus is back. Just drop to -50000 credits and an experiment will be done on you. You need to do this multiple times to get the full benifit. warning, this will restart your game (except for the first mission)
Note: to shoot the laserblade use it then immediately press the boost button. takes some practice but is completely worth it.
Human Plus Upgrades don't stop after the sixth time. Repeat the process for getting the upgrades as usual. Between the seventh and ninth time, not only will you be able to throw your laser blade, but it will be a 3-way shot! Also, there will be a missile display added to your radar. And you thought a single laser blade was cool!
Lose the first mission intentionally (after the Raven test), and lose 50,000 credits or more to activate the "Plus" cheats. Now when you restart your game you'll begin with all of the items you collected during your first play through the game. Repeat the cheat to gain other abilities, such as an improved radar, and the ability to fire back-mounted weapons while running.