Call of Duty: Modern Warfare 3 players are reporting the daily challenge system, which includes easy to complete objectives like getting 7 battle rifle kills, is not tracking correctly and preventing anything from getting done. It hasn't been the smoothest launch for the popular franchise as Modern Warfare 3's campaign launched early to a lot of criticism from critics and fans alike. For one, the campaign felt shorter than usual, while also reusing assets from Warzone and featured open-ended missions that dragged down the overall experience away from its more guided and action-heavy roots.