This time, Call of Duty: Modern Warfare 2 has published 17 missions, each of which may take longer than the other. The Call of Duty games' campaigns haven't always been that long; they typically last around 10 hours. This campaign lasts for about 7-9 hours. The story is shorter than other current single-player games.

Gamers can expect to be done with Modern Warfare 2 in about six hours, about double that for those hoping to knock out all of the achievements.