Start the Single Player Campaign on any difficulty.

Use the EMP to take down 25 drones

Destroy 100 blast roots

Use the upgraded Rossmore secondary fire to set 6 enemies on fire at once

Get a kill with every weapon in your arsenal

Kill 5 drivers without destroying their vehicle

Kill 20 enemies with environmental objects

Kill 2+ enemies with one Rossmore blast

Collect 10 journals

Kill 50 enemies with the Bullseye or Marksman while moving, without using zoom

Fully upgrade one weapon in Campaign Mode

Kill 3 or more Military Chimera with a single Grenade