Finish a season in Online Friendlies

Purchase all skills in one category.

Find 25% of GPS caches.

Kill FeeFee the crab.

Collect 5000 pieces of salvage.

Collect 25% of all relics.

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

Kill 50 enemies with the bow.

Find 25% of all documents.

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

Clear the "Ground Zeroes" mission

In the "Ground Zeroes" mission, rescue the prisoner to be executed and extract him via chopper