Shoot the tractor before it crushes Emile

Find 5 historical items

Complete the game.

Fully mod and completely upgrade all weapons.

Complete all optional tombs.

Find 75% of all documents.

Collect 75% of all relics.

Kill FeeFee the crab.

Kill 25 unaware enemies.

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

Perform 50 headshot kills in the single player campaign.

Find 25% of GPS caches.

Kill 50 enemies with the bow.