Use the Atomizer secondary fire to kill 30 enemies

Upgrade 5 weapons in Campaign Mode

Destroy 100 blast roots

Complete chapter 2 in the Single Player Campaign

Find the first of 61 news pickups

Get 50 headshot kills in Campaign Mode

Fully upgrade one weapon in Campaign Mode

Kill 3 or more Military Chimera with a single Grenade

Kill 2+ enemies with one Rossmore blast

Completed Ain't That a Kick in the Head.

Collect 1 Monkey Toy.

Destroy all targets and structures while making your way up the river.