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