Kill 250 enemies total using Shotguns.
Unlocked: 09 Apr 2011 03:28:49
Running Man
30Kill 75 enemies while in the stealth mode of Overkill.
Unlocked: 09 Apr 2011 01:13:54
Destroy 300 destructible objects in Mission 7,8
Unlocked: 08 Apr 2011 23:15:57
Kill 50 enemies total in Co-op Riot Shield.
Unlocked: 08 Apr 2011 23:08:06
Kill Dalton in less than 40 seconds
Unlocked: 08 Apr 2011 06:41:36
Final blow to Dalton is a headshot with a pimped .44 MODEL 29 handgun
Unlocked: 08 Apr 2011 05:46:52
Completed Mission 8 as Professional.
Unlocked: 08 Apr 2011 02:58:27
Stonewall
30Kill 30 enemies using the Riot Shield melee attack
Unlocked: 08 Apr 2011 01:34:38
Completed Mission 7 as Professional.
Unlocked: 08 Apr 2011 01:25:41
Earn one billion dollars in total in ranked matches.
Unlocked: 07 Apr 2011 22:18:39
Kill 250 enemies total using Machine Guns.
Unlocked: 07 Apr 2011 19:51:04
Kill 25 enemies total using RPGs.
Unlocked: 04 Apr 2011 16:29:25
Complete 20 minor objectives in a ranked match.
Unlocked: 04 Apr 2011 05:20:38
Buy the 'pack 8' gun pack in a multiplayer ranked match
Unlocked: 04 Apr 2011 03:31:46
Finish playing a versus ranked match.
Unlocked: 04 Apr 2011 03:00:11
Complete a ranked match without ever needing to be revived.
Unlocked: 04 Apr 2011 03:00:09
Win a ranked match without purchasing any additional weapons.
Unlocked: 04 Apr 2011 03:00:08
Destroy 500 barrels in ranked SSC Challenge matches
Unlocked: 31 Mar 2011 17:28:57
Achieve 75% accuracy at the conclusion of a ranked three round SSC Challenge match
Unlocked: 31 Mar 2011 15:08:44
Win a ranked SSC Challenge match
Unlocked: 31 Mar 2011 15:08:43
Win every stage of a ranked three round SSC Challenge match
Unlocked: 31 Mar 2011 15:08:42
Completed Mission 1 as Contractor or higher.
Unlocked: Offline
Completed Mission 2 as Contractor or higher.
Unlocked: Offline
Completed Mission 3 as Contractor or higher.
Unlocked: Offline
Completed Mission 4 as Contractor or higher.
Unlocked: Offline
Completed Mission 5 as Contractor or higher.
Unlocked: Offline
Completed Mission 6 as Contractor or higher.
Unlocked: Offline
Elite PMC
50Complete all missions as a Professional.
Unlocked: Offline
Complete all missions with the Partner AI.
Unlocked: Offline
Purchase the MP7, M134, DAO-X Protecta, MGL MK-X, and the M107 Light Fifty.
Unlocked: Offline
Purchase every mask variant.
Unlocked: Offline
Earn one million dollars in total over the course of campaign mode.
Unlocked: Offline
Spend 1 minute straight at full Aggro.
Unlocked: Offline
Kill 5 enemies total using Co-op Snipe.
Unlocked: Offline
Kill 250 enemies total using Assault Rifles.
Unlocked: Offline
Kill 150 enemies total using Handguns.
Unlocked: Offline
Kill 250 enemies total using SMGs.
Unlocked: Offline
Kill 100 enemies total using Sniper Rifles.
Unlocked: Offline
Kill 50 enemies total using the Melee Attack.
Unlocked: Offline
Kill 25 Martyrs by shooting the Bomb Packs on their chests.
Unlocked: Offline
Kill 25 Heavy Armor enemies.
Unlocked: Offline
Field Medic
30Drag and heal your partner 25 times.
Unlocked: Offline
Out of Debt
15Heal your partner for the first time. Training does not count.
Unlocked: Offline
Kill 50 enemies total in Back-to-Back.
Unlocked: Offline
L'Abattoir
30Kill 100 enemies while in the power mode of Overkill.
Unlocked: Offline
Purchase 3 weapons.
Unlocked: Offline
Collect all of the information cases in the entire game.
Unlocked: Offline