EA put out a Limited Edition boxed set with 3 disks { ME1, ME2 and ME3}. ME1 only had one DLC included {Touch the Sky} while ME2 broke out with DLC's out the yang with story expansions, weapons and armor upgrades. ME3 had 6 expansions for the game and massive packages for use in the Multiplayer Arena. It's turned into a serious cashcow for EA earning multi-millions.
