Find 75% of all documents.

Kill 40 enemies with the shotgun.

Find 75% of GPS caches.

Kill FeeFee the crab.

Loot 200 enemies.

Purchase all skills in one category.

Shoot 10 enemies off zip lines.

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

Kill 35 enemies with the pistol.

Perform 15 finishers.

Collect 25% of all relics.

Find 25% of all documents.

Complete one optional tomb.