Defeat 30 enemies with the RPG - 7

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

Defeat 30 enemies with the Dragon Sniper

Purchase all skills in all categories.

Find 75% of GPS caches.

Collect 75% of all relics.

Kill 75 enemies with the rifle.

Loot 200 enemies.

Kill FeeFee the crab.

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

Perform 50 headshot kills in the single player campaign.

Perform 15 finishers.

Kill 35 enemies with the pistol.