Beat BX time in 'S.S.D.D.'.

Sky dive to safety on Veteran difficulty.

Get a kill with each type of handheld gun, explosive and launcher in the single player campaign.

Kill Makarov and complete your mission

Kill all 4 tanks on the overpass with the Javelin missile in 'The Bog'.

Complete any level using only the knife to kill enemies.

Destroy all the TVs showing Al-Asad's speech.

Complete the game on Hardened or Veteran difficulty.

Complete 'Game Over' on Veteran difficulty.

Corner Zakhaev's Son.

Destroy 8 enemy helicopters in 'Heat'.

Find and use the hidden cache in 'Heat'.