All Characters:
Go to mayhem mode & make both teams have all players, leave it on set teams & enter the following code, press Circle + Square, then press Select, Select, Select, Select, Start, Start, Start, Square, Square, Circle, Circle + Square. If the code is entered right, it'll say 'All Players' in the bottom right.

Secret Areas:
In mayhem mode, highlight 'accept teams' & press Circle + Square, then press Select, Select, Select, Select, Start, Start, Start, Square, Square, Circle, Circle + Square. All of the secret areas are now available, All Levels, will now appear on the screen.

All Maps:
In strategy mode, highlight 'set war' & press Circle + Square, then press Select, Select, Select, Select, Start, Start, Start, Square, Square, Circle, Circle + Square. You can now choose any map to battle on.

Secret Warriors & Mayhem Backgrounds:
To release 2 secret fighting backgrounds, beat strategy mode on normal level with each side. The Arcane victory releases the Menhir Circle; The Teknos, the dark maze.

To Gain Control Of 2 Secret, Super Warriors:
Beat strategy mode on Hard level. The Arcanes earn the MegaPrana, while the Teknos get the Beta-Razorfane, their first, truly effective, flying character.