Moon is a tough map, but the hardest thing about it may be deciding to buy it. There are two categories of Call of Duty players who shouldn't buy this map pack: those who loathe zombie mode and those who love it so much they bought the Hardened or Prestige edition of Black Ops. Hardened and Prestige owners, already fixed up with the remastered World at War zombie maps from day one, get the new content - Moon, wallpaper and soundtrack - for free. Standard-edition players who most often compete in multiplayer modes, yet occasionally enjoy a night of zombie-slaying mayhem, might be happy sitting pat; there are no new competitive multiplayer maps in Rezurrection. Moon is a true intrigue, and the package is nicely complete, but when you get right down to it, from a pure gaming stance, it costs 1,200 MS points for one map.