The Call of Duty: Modern Warfare III Add-on for Call of Duty has 39 achievements worth 1,000 gamerscore.
Reach Level 55
Successfully Exfil in MWZ
Kill 500 Enemies using an Insured Weapon in MWZ
Have 9 perks active at the same time in MWZ
Kill 100 Zombies with a vehicle in a single deployment in MWZ
Reclaim your gear from a Tombstone in MWZ
Revive a player from a different Squad in MWZ
Pet a Hellhound in MWZ
Complete 20 Contracts in MWZ
Complete 5 Contracts in the High Threat Zone in a single deployment in MWZ
Complete Act III in MWZ
Kill 50,000 total Enemies in MWZ
Defeat a Warlord in MWZ
Kill Orcus while in a 6 person squad in MWZ
Find and use all Armaments in Open Combat Missions
Customize your loadout in every Open Combat Mission
Collect all Weapons and Field Upgrades from Supply Boxes in Open Combat Missions
Use 5 different Armaments in Open Combat Missions
Drive a vehicle with a Sentry Gun on the back and have it kill 5 enemies
Use the Spotter Scope to tag 60 enemies or items in Open Combat Missions
Find all Plate Carrier Upgrades in Open Combat Missions
Use a Shock Stick to disable an enemy Sentry Gun
Destroy an airborne enemy helicopter with a Mortar Strike
Throw and hit an enemy directly with a Flammable Cannister then blow them up with it
BASE jump and travel more than 150 m with your parachute
Kill 10 enemies while using a zipline
Complete the campaign
Complete the campaign on Veteran
Kill 12 enemies while descending in the panopticon in 'Operation 627'
Parachute off a Gantry Crane onto the roof of the Harbormaster's Building in 'Precious Cargo'
Destroy each objective helicopter in 'Reactor' with a different Armament
Using the EBR-14, kill 2 enemies with 1 bullet 5 times in 'Payload' without sounding the alarm
Acquire the Major's keycard in 'Deep Cover' within 90 seconds without being detected
Shoot the gun out of the air in 'Flashpoint' before a terrorist catches it
Destroy all of the cars in the mansion garage in 'Oligarch'
Reach the roof in 'Highrise' under 45 seconds
Execute the forest sniper in 'Frozen Tundra' with a takedown
Defuse the bomb on the truck in 'Gora Dam' while it is in motion
Use a missile to take out a single enemy in 'Danger Close'