Complete all optional tombs.

Purchase all skills in one category.

Find 75% of all documents.

Fully mod and completely upgrade any weapon.

Kill 75 enemies with the rifle.

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

Collect 5000 pieces of salvage.

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

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

Kill 35 enemies with the pistol.

Kill 50 enemies with the bow.

Perform 15 finishers.