Find 75% of all documents.

Complete all optional tombs.

Kill FeeFee the crab.

Kill 75 enemies with the rifle.

Loot 200 enemies.

Purchase all skills in one category.

Kill 50 enemies with the bow.

Kill 35 enemies with the pistol.

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

Find 25% of all documents.

Collect 25% of all relics.

Defeat ten enemies using hand-to-hand combat on the back of the convoy trucks

Defeat 30 enemies with the M9