its just that a lot of the stuff in halo 3 is really cool and CMT likes that idea and so they make their own version of it. like the halo 3 AR its not exactly like the halo 3 beta one (it does have 32 shots but it can carry more ammo and the meele is diferant + you can't see the butt of the rifle). There are teams who try to make halo 2 immitations (like the Z_team) and one who try to make halo 3 immitations also but all of thier maps are, yah,