More credits Buy weapons and armour cheaply from the scrapyard. Add them to your spare's save and exit back to the main menu. Return to robot setup you will see all the items are full price, sell them and you should have more money than what you started with.
Use Locked Arenas in Free Play Mode In free play mode highlight an unlocked arena, next to a locked arena. As you press the direction towards the locked arena press X. Note: this cheat will only work if you move from an unlocked arena to a locked arena.
Change Robot On the menu screen, go to War Zone then pick any robot. Win your first match and then it will show your next opponent. If you think that you would do better with your opponent, then press select, and then A. You will then be the robot that was meant to be your opponent and you will be against the last robot you beat.
