Complete Chapter 11 on any difficulty setting

Dismember 1000 Limbs

Complete the game.

Kill 75 enemies with the rifle.

Find 75% of GPS caches.

Loot 200 enemies.

Purchase all skills in one category.

Collect 5000 pieces of salvage.

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

Perform 50 headshot kills in the single player campaign.

Kill and loot 10 large animals (deer, boar, wolves).

Kill 25 unaware enemies.

Perform 15 finishers.