Objective: Complete the single player campaign on Hardened or Veteran Difficulty.

Objective: Earn all 3 stars in at least 10 different Special Op missions. Objective: Kill 20 enemies in a row while driving a vehicle in Single Player or Special Ops. Objective: Earn all 3 stars in at least 5 different Special Op missions. Objective: Kill 5 enemies in a row using 5 different weapons or attachments in Single Player or Special Ops. Objective: Kill 10 enemies in a row using akimbo weapons in Single Player or Special Ops. Objective: Kill 4 enemies with 4 shots during a slow-mo breach in Single Player or Special Ops. Objective: Earn at least 1 star in 11 different Special Op missions. Objective: Kill a Juggernaut in Special Ops. Objective: Knife an enemy without him ever knowing you were there in Single Player or Special Ops. Objective: Use a riot shield to beat down an enemy in Single Player or Special Ops. Objective: Complete the Single Player campaign on any difficulty.

Objective: Kill 2 rappelling enemies in a row before they land on their feet in Single Player or Special Ops. Objective: Complete the mission in the airplane graveyard. Objective: Execute the plan to help the Americans. Objective: Kill 6 enemies in a row using a thermal weapon in Single Player or Special Ops. Objective: Kill at least 10 enemies with one Predator missile in Single Player or Special Ops. Objective: Infiltrate the snowy mountain side base. Objective: Get hand picked for Shepherd’s elite squad. Objective: Kill at least 3 enemies with a single shot from a grenade launcher in Single Player or Special Ops. Objective: Kill 2 enemies with a single bullet in Single Player or Special Ops. Use the MISSION SELECT option from the menu or start a new game. Note: You must start a new level or the cheats may not work.

Modern warfare 2 pc download