Next week the very cool top-down shooter Gatling Gears will be released on Xbox Live Arcade. But I have three codes for the game that will let you download it early. How can you get one? Listen to the Game Scoop! podcast this Friday. I'll read the codes out at random points in the show and three listeners with fast fingers will be playing Gatling Gears over the weekend before anyone else. The codes will work anywhere in the world...