Single Player Cheats
These only work for single player games (i.e., not Xbox Live). Press START and tap the D-Pad for the following codes.

Add 16,000 Credits
UP, UP, DOWN, DOWN, LEFT, RIGHT

Auto-aim Toggle
DOWN, DOWN, DOWN, DOWN, UP, UP

Big Heads
UP, UP, LEFT, RIGHT, UP, DOWN

IFF Glow
RIGHT, RIGHT, RIGHT, UP, DOWN, LEFT

Low Gravity
UP, RIGHT, RIGHT, UP, UP, LEFT

No Target Mode
LEFT, RIGHT, RIGHT, LEFT, UP, DOWN

Outfit Change
LEFT, RIGHT, DOWN, UP, LEFT, RIGHT

Player Clipping
UP, DOWN, LEFT, RIGHT, DOWN, UP