Play 3 quests with a friend (Campaign only).

Buy all attachments for one weapon (Campaign only).

Follow the clues to the end of 3 treasure hunts (Solo Campaign only).

While driving or leaning out of a vehicle, kill 25 enemies (Campaign only).

Discover the future past.

Complete the mission, The Hunt for Ull.

Capture all outposts.

Complete all hut upgrades.

Eliminate 50 enemies with fire.

Pickup 80 collectibles.

Complete 5 "Beast Kill" quests.

Tame the great scar bear.