Find 75% of GPS caches.

Fully mod and completely upgrade any weapon.

Complete the game.

Complete all optional tombs.

Kill 40 enemies with the shotgun.

Kill 75 enemies with the rifle.

Purchase all skills in one category.

Kill 25 unaware enemies.

Complete one challenge.

Collect 25% of all relics.

At the Bamba Club, get Dick McColl to give up the license plate of Celine Henry's male companion.

Defeated Jack

Kill 50 enemies with the bow.