Kill 25 Grims using only grenades

Use the Atomizer secondary fire to kill 30 enemies

Upgrade 5 weapons in Campaign Mode

Get a kill with every weapon in your arsenal

Kill 5 drivers without destroying their vehicle

Destroy 100 blast roots

Travel 30 km on foot

Damage the same enemy in Cooperative Mode for 100 kills

Defeat the Brawler in the Post Office in under 2 minutes

Kill 3 or more Military Chimera with a single Grenade

Completed 20 side missions

Completed the mission "Rising Action"