Single Player Cheats:
These only work for single player games (i.e., not Xbox Live). Press START and tap the D-Pad for:
Low Gravity – UP, RIGHT, RIGHT, UP, UP, LEFT
No Target Mode – LEFT, RIGHT, RIGHT, LEFT, UP, DOWN
IFF Glow – RIGHT, RIGHT, RIGHT, UP, DOWN, LEFT
Big Heads – UP, UP, LEFT, RIGHT, UP, DOWN
Player clipping – UP, DOWN, LEFT, RIGHT, DOWN, UP
Autoaim Toggle – DOWN, DOWN, DOWN, DOWN, UP, UP
Add 16,000 Credits – UP, UP, DOWN, DOWN, LEFT, RIGHT
Outfit Change – LEFT, RIGHT, DOWN, UP, LEFT, RIGHT