Call of Duty 4: Modern Warfare - Xbox 360 ENTER Up, Down, Up, Down, Left, Left and then A at anytime during the game for immortality and infinite ammunition stocks. Skate 2 - PS3 GO to the code entry screen in the Extras menu and enter letsdowork to u

Call of Duty 4: Modern Warfare - Xbox 360

ENTER Up, Down, Up, Down, Left, Left and then A at anytime during the game for immortality and infinite ammunition stocks.

Skate 2 - PS3

GO to the code entry screen in the Extras menu and enter 'letsdowork' to unlock Big Black as a playable character.

Rubik's Puzzle World - Wii

FROM the main menu enter A, B, B, A, A to unlock all levels and Cubies.

Ben 10: Alien Force - PS2

GO the Cheats menu and enter 'Kevin, Big Chill, Swampfire, Kevin' for invincibility.