Battle Zone: Rise Of The Black Dogs

Enter the following codes at the main menu:

Free buildings:
Hold Z and press A, B, A, B

Free satellite:
Hold Z and press B, C-Left, C-Down, A

Level select:
Hold Z and press C-Up, C-Right, C-Down, C-Left, Start

Unlimited ammunition:
Hold Z and press L, R, L, R

Unlimited armor:
Hold Z and press Up, Right, Down, Left