Complete any level without reloading your weapon (excluding 'The Coup' and 'Aftermath').

Kill Makarov and complete your mission

Complete the game on any difficulty.

Complete the game on Hardened or Veteran difficulty.

Complete 'Heat' and 'The Sins of the Father' on Veteran difficulty.

Find and use the hidden cache in 'Heat'.

Carry Cpt. MacMillan to safety.

Kill at least 3 rappelling enemies in a single rope.

Complete 'Safehouse' on Veteran difficulty.

Survive a dog attack.

Kill 20 enemies with explosives in a single level.

Complete 'Hunted' and 'Death From Above' on Veteran difficulty.

Kill 5 enemies with one shot while in the AC-130 gunship.