Call of Duty 4: Modern Warfare and its sequel Modern Warfare 2 are not only some of the best Call of Duty games ever, but also some of the best and most important games of all time. While Modern Warfare set the gold standard for what these first-person shooters could be, Modern Warfare pushed it to an even higher peak.

According to PushSquare, the base download for Call of Duty: Modern Warfare 2 is 151.4 GB, with co-op and multiplayer packs that can add a handful of bonus gigs. Even those that own the game on disc will need to wait for this massive download before they can play.