Collect 75% of all relics.

Kill and loot 10 flying animals (crows and gulls).

Kill FeeFee the crab.

Shoot 10 enemies off zip lines.

Kill 35 enemies with the pistol.

Rope pull 5 enemies off edges.

Perform 50 headshot kills in the single player campaign.

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

Kill 25 unaware enemies.

Kill and loot 10 small animals (rabbits, chickens, rats).

Collect 25% of all relics.

Complete one optional tomb.

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