Defeat a Nachtrapt. (Scotland)
Kill 350 Demons as Agent Cross.
Kill 750 Demons.
Kill 350 Demons as Master Sergeant Asher.
Unlock a Collectable.
Add elemental damage to a weapon.
Complete the Training Mission and enter the Hub.
Invest 5 Crystals in weapon upgrades.
Unlock all other achievements.
Rescue Dr. Miller. (South Wales)
Rescue Sergeant Malkov. (Ireland)
Defeat War. (Africa)
Rescue Private Chester. (Norway)
Defeat Major Struass.
Complete a Mission in Co-Op. (Local or Online)
Kill 1500 Demons.
Complete the campaign on Easy difficulty or higher.
Kill 350 Demons as Corporal Harris.
Kill 350 Demons as Dr. Miller.
Kill 350 Demons as Private Chester.
Kill 350 Demons as Sergeant Malkov.
Kill 150 Demons with Explosives. (Excluding Weapons/Powers)
Kill 250 Demons with Powers.
Unlock all Powers.
Fully upgrade all of a Character's Powers.
Fully upgrade all Powers.
Complete the campaign on Standard difficulty or higher.
Firepower Invest 25 Crystals in weapon upgrades.
Fully upgrade a weapon's elemental damage.
Destroy an Enclave.
Destroy 10 Enclaves.
Unlock All Collectables.
Complete the campaign on Inferno difficulty.
Defeat Famine. (India)
Rescue Corporal Harris. (Frankfurt)
Defeat Pestilence. (Ukraine)