Loot 200 enemies.

Purchase all skills in one category.

Perform 50 headshot kills in the single player campaign.

Kill 25 unaware enemies.

In multiplayer, be the only player on your team that isn't dead or downed.

Find 25% of GPS caches.

Kill 50 enemies with the bow.

Find 25% of all documents.

Picked up the IDS device

Stole.

Capture Manuel Noriega and bring him to justice.

Gather information on Raul Menendez' suspected terrorist plot.