First person view
While playing a game, hold Triangle + Square + Start. The game will pause. Press Start to resume the game with the new camera view. For the Japanese version of the game, hold Triangle + Square + Select.
Fixed camera view
While playing a game, hold Circle + X + Start. The game will pause. Press Start to resume the game with the camera fixed at the pre-location. For the Japanese version of the game, hold Circle + X + Select.
Return to default view
To return to the default view, pause the game, then press Start to resume the game. For the Japanese version of the game, press Select instead of Start.
Alternate emblem backgrounds
Create an emblem in the "Edit Emblem" screen. Then, hold L1 + R1 + Select.
Continue from Armored Core: Project Phantasma
Insert a memory card with a saved game from Armored Core: Project Phantasma and the file should appear yellow at the loading screen. Load that file to start with the same parts and money that were obtained in that game.
Energy Shooting Machine Gun
Defeat Bibs in the Sub-Arena. This machine gun is very powerful but its ammo is a short 500 rounds.
Defeat one of the earlier opponents in the Master Arena. The Flame Shell shoots a rocket that sets the enemy on fire and reduces AP slowly.
Defeat the third opponent in the Master Arena to get this head. The Radar-12 is the best head in the game but looks different.
Successfully complete the Fromsoft Ex Arena to get a Mine Dispenser. This part shoots out floating proximity mines.
Successfully complete the Guest Ex Arena to get a Special Rocket. This part shoots out a blue object that disables the opponent's FCS.
Successfully complete the Master Ex Arena to get the stealth unit (back weapon). This item will take you off the radar.
Enhanced Balancer Optional part
Successfully complete the Champion Ex Arena to get the Enhanced Balancer Optional part. The Enhanced Balancer Optional part reduces recoil (the backwards motion) that occurs from firing a heavy weapon (grenade launcher, dual cannon, etc.).
Get PROGTECH to sponsor you in the Sub-Arena. You will receive 50,000 credits and the new laserblade, which shoots a laserblade projectile on its own.
New laser-powered sniper rifle
Get PROGTECH to sponsor you in the Arena. You will receive 50,000 credits and the new laser sniper rifle, which does 3800 damage (more than twice that of the Karasawa laser rifle).
Bonus Ex Arenas
At the Ex Arena selection screen, you will see four sets of question marks at the bottom of the screen. These arenas are unlocked after you complete a certain requirement:
FROMSOFTWARE is unlocked after you complete all leg-specific arenas. It features a series of ACs made by From Software employees.
Guest and Champion are unlocked after you complete all of the missions (do not forget to save when prompted). Guest is an arena that contains Japanese magazine publisher's AC creations. Champion is a series of ACs made by finalists from a Armored Core: Project Phantasma Tourney held in Japan last year.
Master is unlocked when you get 100% in the overall under System. Master is an arena that has extremely dangerous ACs.