Cheat for Armored Core: Master Of Arena

First Person Perspective:

Hold Triangle + Square + Start. Release all buttons while, then press Start again.

Fixed Camera Mode:

During gameplay press Start + Circle + X at the same time.

More Arenas:

From Software Arena:

Unlock by beating all of the leg-specific arenas.

Guest and Champion Arenas:

These are unlocked on completion of all of the missions.

Master Arena:

Unlocked by getting a perfect 100% overall in the system.

More tricks, tips and cheats for this game are right here - Armored Core: Master Of Arena cheats