when games get old and a new type of that game is out (halo reach) those old games like halo 3 become whats called a hackers paridise everyone hacks and mods on old games so they dont get caught but sometimes they can call of duty world at war is full of hackers my friend got the game 2 days later he was 10th prestige 65 level because a hacker got him to the highest level when games get old hackers come in