Call of Duty: Modern Warfare 3 has 3 acts with a total of 17 missions within. There are seven missions in the first act, six missions in the second, and four missions in the third. Players are Contract missions in Modern Warfare 3 Zombies will be one of your main sources to get essence and rewards. Luke Lawrie ; November 13, 2023; Call of Duty: Modern Warfare 3 Guides All MW3 Missions and Rewards. There are 14 missions in the Modern Warfare 3 campaign. Almost every mission with the exception of one will reward players with calling cards, double XP tokens, and operators with the completion of the campaign awarding with a weapon blueprint and an emblem. The 2023 MW3 campaign features 14 missions that follow Task Force 141 against the increasing threat of Vladimir Makarov, who was seen briefly at the end of the Modern Warfare 2 story. These missions are split into traditional, linear levels as well as new Open Combat Missions. Modern Warfare 3 achievements and trophies: Write Off (Bronze) – Kill 500 Enemies using an Insured Weapon in MWZ. Perkaholic (Bronze) – Have 9 perks active at the same time in MWZ. Gravestone (Bronze) – Kill 100 Zombies with a vehicle in a single deployment in MWZ. Back from the Dead (Bronze) – Reclaim your gear from a Tombstone in MWZ. There are 14 missions in Modern Warfare 3. How many difficulties are there in MW3? There are four difficulties in MW3, going from Recruit up to Veteran difficulty. Call of Duty Modern Warfare 3 How Many Missions in Modern Warfare 3? Modern Warfare 3 Campaign Missions. Total campaign missions: 15 missions in total. Mission lengths vary, with some being short and others longer. This aligns with previous titles in the series, like Modern Warfare 2 with 17 missions and Modern Warfare (2019) with 14 missions. Campaign Length 3N2DQps.