Final blow to Dalton is a headshot with a pimped .44 MODEL 29 handgun
Continue playing to unlock this secret achievement.
Destroy 300 destructible objects in Mission 7,8
Destroy 500 barrels in ranked SSC Challenge matches
Achieve 75% accuracy at the conclusion of a ranked three round SSC Challenge match
Win every stage of a ranked three round SSC Challenge match
Win a ranked SSC Challenge match
Complete 20 minor objectives in a ranked match.
Complete a ranked match without ever needing to be revived.
Collect all of the information cases in the entire game.
Earn one million dollars in total over the course of campaign mode.
Kill 75 enemies while in the stealth mode of Overkill.
Kill 100 enemies while in the power mode of Overkill.
Kill 250 enemies total using SMGs.
Kill 30 enemies using the Riot Shield melee attack
Kill 250 enemies total using Machine Guns.
Kill 25 Martyrs by shooting the Bomb Packs on their chests.
Kill 150 enemies total using Handguns.
Complete all missions as a Professional.
Kill 250 enemies total using Shotguns.
Complete all missions with the Partner AI.
Spend 1 minute straight at full Aggro.
Kill 100 enemies total using Sniper Rifles.
Kill 5 enemies total using Co-op Snipe.
Purchase every mask variant.
Kill 25 Heavy Armor enemies.
Finish playing a versus ranked match.
Win a ranked match without purchasing any additional weapons.
Purchase the MP7, M134, DAO-X Protecta, MGL MK-X, and the M107 Light Fifty.
Kill 25 enemies total using RPGs.
Drag and heal your partner 25 times.
Kill 50 enemies total in Co-op Riot Shield.
Kill 250 enemies total using Assault Rifles.
Kill 50 enemies total in Back-to-Back.
Kill 50 enemies total using the Melee Attack.
Purchase 3 weapons.
Heal your partner for the first time. Training does not count.
Earn one billion dollars in total in ranked matches.
Buy the 'pack 8' gun pack in a multiplayer ranked match
Kill Dalton in less than 40 seconds