1.   And hard-core gamers are notoriously protective of their world, a secret land of cheat codes, garish game magazines and fickle tastes.

2.   A piece of hardware loaded with cheat codes is a lens that reveals those layers.

3.   For the casual gamer, Gamecenter also has a thorough list of strategical and tactical tips for some of the toughest games and a decent list of cheat codes.

4.   From a technological standpoint, cheat codes are nothing new.

5.   Gamemakers understand, however, that cheat codes can help sell games.

6.   Just plug in a Game Shark, which contains hundreds of cheat codes for all the hottest games in one package.