Counter-Strike Cheats

The best map to use this trick on is Militia. Join a Militia map and play as a Counter-Terrorist. This will give you a closer position to the glitch. When you start, buy a Smoke Grenade. Then, go through the tunnel to the left which leads to the fence and the rocks that make a ladder over the fence. Jump the fence and turn to the left. You will see a rock hill. Go up the hill, but do not jump off. You will see a crack between the rock and the wall. Take out the Smoke Grenade, point straight down in the crack, and throw it. You will hear a crackling, like popcorn. Also in the terrorist spawn point on Miltia, there is a bed. Take a smoke grenade and get on the bed. Look down in the corner of the foot board. Throw the smoke grenade in that crack.

Single Player Cheats
These cheats 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
Auto-aim 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
Alternate Costume
Pause the game and press the following combination:
Left, Right, Down, Up, Left, Right
Identify Friends or Foes
Pause the game and press the following combination:
Right, Right, Right, Up, Down, Left
Low Gravity
Pause the game and press the following combination:
Up, Right, Right, Up, Up, Left
Not Targeted by Enemies
Pause the game and press the following combination:
Left, Right, Right, Left, Up, Down
Toggle Auto-aim
Pause the game and press the following combination:
Down, Down, Down, Down, Up, Up
Note: The above codes cannot be enabled in XBox Live! sessions.

When you are online and die, you get to follow around another
player, so use this to your teams advantage, follow around an
enemy and talk to ur team mates on the microphone, telling them
were the enemy is. It really helps.

Pause the game and press Down(4), Up(2). Note: This code cannot be enabled in Xbox Live! sessions.

Hit start then d-pad left, right, down, up, left, right.

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