Rainbow Six: Black Arrow cheats and cheat codes for XBox

Laser trails:
Push Up, Down, Up, Down, click Right Analog-stick(2) during game play. Your
weapons will shoot red colored laser trails and the enemy weapons will shoot
blue colored laser trails.

Invincible mode (single):
Push Up, Up, Down, Down, Left, Right, Left, Right, B, A buttons on your
controller during game play. If the entered code is accepted, you will
see "God Activated" message.

Credits level:
Click Left thumb-stick(2 times), click Right thumb-stick(2 times), then push
X, Y, B, A, B, A buttons on your controller at the main menu.

Unlock All Maps:
Enter Left, Left, Right, Right, A, B, L-Stick, L-Stick at the menu screen.