Complete all optional tombs.

Purchase all skills in one category.

Kill 75 enemies with the rifle.

Perform 15 finishers.

Perform 50 headshot kills in the single player campaign.

Kill and loot 10 flying animals (crows and gulls).

Loot 200 enemies.

Kill 35 enemies with the pistol.

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

Kill and loot 10 small animals (rabbits, chickens, rats).

Kill 50 enemies with the bow.

Complete one challenge.

Complete one optional tomb.