Kill FeeFee the crab.

Perform 50 headshot kills in the single player campaign.

Collect 5000 pieces of salvage.

Shoot 10 enemies off zip lines.

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

Kill 25 unaware enemies.

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

Find 25% of all documents.

Complete one optional tomb.

You sold 300 junk items.

You opened all of the garages in South Park.

You completed the game without selling any items.