Defeat Mizrabel and rescue Minnie.

Purchase all skills in one category.

Force an enemy to drop dynamite that kills two people when exploding.

Perform 50 headshot kills in the single player campaign.

Kill 25 unaware enemies.

Kill 35 enemies with the pistol.

Find 25% of all documents.

Complete one optional tomb.

Reach Sergeant (Level 10) in multiplayer Public Match.

Stop Menendez once and for all.

Escort the president to the secure location in downtown LA.

Capture Menendez.