Pause game play, then hold LT and quickly press LB, RB(2). Then hold RT and quickly press RB, LB(2). You will get 2,000 prestige points. You can enter this code again while the game is paused to get more points. After entering this code five times in sequence, you will automatically complete the current mission with everything unlocked with an "Ace" rank. Note: If the "Increased damage by weapons" or "God mode" codes are active, enabling the "Prestige points" code four times will result in the mission completion.