Find 25% of GPS caches.

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

Kill 50 enemies with the bow.

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

Complete one challenge.

Unlocked 1999 Mode.

Completed the Main Campaign on Easy difficulty or above.

In the Main Campaign, killed 30 enemies with the Founder Pig Volley Gun or Vox Hail Fire.

In the Main Campaign, killed 20 enemies with the Barnstormer RPG.

In the Main Campaign, killed 100 enemies with the Founder Huntsman Carbine or Vox Burstgun.

In the Main Campaign, killed 30 enemies with the Bird's Eye Sniper Rifle.

In the Main Campaign, killed 150 enemies with the Founder Triple R Machine Gun or Vox Repeater.