Battlezone

To enter these codes, you need to hold Z whilst you are on the menu screen and then quickly type them in.

To give your vehicle an unlimited supply of bullets, hit l, R, l, R. To get maximum armor plated protection press up, right, down, left on the D pad.

For free buildings press A, B, A, B. To get yourself a free satellite press B, left(cpad), down(cpad), A.

To unlock all the levels press up(cpad), right(cpad), down(cpad), left(cpad), START.