You killed 5 rats and crows.
Unlocked: 09 Dec 2012 10:52:50
Killed yourself 5 times.
Unlocked: 09 Dec 2012 09:52:33
Fearsome
100Complete the Campaign on Extreme difficulty.
Unlocked: 09 Dec 2012 09:25:27
Fearless
35Win the Campaign on any difficulty except Low.
Unlocked: 09 Dec 2012 09:25:26
Exterminator
35Kill every enemy in the Campaign.
Unlocked: 09 Dec 2012 09:09:09
Explorer
35Find every Health Booster and Reflex Booster in the single player campaign.
Unlocked: 09 Dec 2012 09:05:28
Intel
5Gather every phone message and lap top in the Campaign.
Unlocked: 09 Dec 2012 08:56:17
Slow Jo
5Kill 5 enemies with one SlowMo use in the Campaign or Instant Action.
Unlocked: 04 Dec 2012 05:01:28
No Fear
35Win every Instant Action map on Extreme difficulty.
Unlocked: 01 Dec 2012 03:18:24
Feared
5Complete every Instant Action map on any difficulty except Low.
Unlocked: 01 Dec 2012 03:18:23
MP 1000
75MP 100
5Participate in 100 rank Multiplayer games of any type.
Unlocked: 29 Apr 2012 19:11:19
Kill 200 enemies with the N6A3, AT-S or M77 in any ranked Multiplayer games.
Unlocked: 29 Apr 2012 18:32:29
Win 5 each of ranked CTF, SlowMo CTF, TDM, SlowMo TDM, and Team Elimination games in Multiplayer.
Unlocked: 09 Apr 2012 22:17:35
Sapper
5Kill 50 enemies with the M77 in any ranked Multiplayer games.
Unlocked: 09 Apr 2012 22:11:45
Kill 50 enemies with the AT-S in any ranked Multiplayer games.
Unlocked: 09 Apr 2012 21:34:18
Kill 50 enemies with the MP-50 in any ranked Multiplayer games.
Unlocked: 09 Apr 2012 21:05:13
Kill 50 enemies with the MOD-3 in any ranked Multiplayer games.
Unlocked: 09 Apr 2012 20:50:10
Kill 50 enemies with the Type-7 in any ranked Multiplayer games.
Unlocked: 09 Apr 2012 20:32:53
Successfully capture 50 flags in ranked CTF or SlowMo CTF games.
Unlocked: 09 Apr 2012 20:20:09
Kill 50 enemies with the 10mm HV Penetrator in any ranked Multiplayer games.
Unlocked: 09 Apr 2012 18:42:14
Dead Eye
35Kill 150 enemies with Headshots in any ranked Multiplayer games.
Unlocked: 09 Apr 2012 18:42:13
Win any ranked Deathmatch, SlowMo Deathmatch, or Elimination Multiplayer game.
Unlocked: 04 Apr 2012 22:50:45
Kill 50 enemies with the N6A3 in any ranked Multiplayer games.
Unlocked: 04 Apr 2012 22:46:38
Sniper
5Kill 50 enemies with the ASP in any ranked Multiplayer games.
Unlocked: 04 Apr 2012 22:46:38
Finished a Multiplayer game with a negative score.
Unlocked: 04 Apr 2012 22:36:02
Brawler
5Kill 50 enemies with Punches or Rifle Butts in any ranked Multiplayer games.
Unlocked: 04 Apr 2012 22:34:31
Kill 50 enemies with Round House Kicks, Flying Kicks, or Slide Tackles in any ranked MP games.
Unlocked: 04 Apr 2012 22:24:02
Kill 50 enemies with the turret in any ranked Multiplayer games.
Unlocked: 28 Mar 2012 22:18:23
Kill 50 enemies with the SM15 in any ranked Multiplayer games.
Unlocked: 28 Mar 2012 22:02:07
Kill 50 enemies with the VK-12 in any ranked Multiplayer games.
Unlocked: 28 Mar 2012 22:02:07
Kill 50 enemies with the G2A2 in any ranked Multiplayer games.
Unlocked: 28 Mar 2012 21:30:20
Kill 50 enemies with the AT-14 in any ranked Multiplayer games.
Unlocked: 28 Mar 2012 21:30:19
Kill 50 enemies with the RPL in any ranked Multiplayer games.
Unlocked: 28 Mar 2012 21:08:15
Ammo Hog
35Win the Campaign using less than 500 rounds of ammo.
Unlocked: 06 Feb 2009 05:46:09
No Juice
65Complete the Campaign on any difficulty without using any boosters.
Unlocked: 06 Feb 2009 05:46:08
Real Time
65Complete the Campaign on any difficulty without using SlowMo.
Unlocked: 04 Feb 2009 22:52:52
Survivalist
150Complete the Campaign on any difficulty without dying.
Unlocked: 04 Feb 2009 22:52:51
Complete Interval 10 in the Campaign.
Unlocked: 04 Feb 2009 22:27:38
Kill 10 enemies with barrels, fire extinguishers or fuse boxes in the Campaign or Instant Action.
Unlocked: 04 Feb 2009 14:15:26
Slums
5Complete Interval 8 in the Campaign.
Unlocked: 04 Feb 2009 14:05:13
Use 50 armor vests in the Campaign or Instant Action.
Unlocked: 03 Feb 2009 05:36:34
Armacham
5Complete Interval 7 in the Campaign.
Unlocked: 03 Feb 2009 05:28:25
Medic!
5Use 50 Medkits in the Campaign or Instant Action.
Unlocked: 30 Jan 2009 04:02:30
Complete Interval 3 in the Campaign.
Unlocked: 30 Jan 2009 03:02:13
Kill 3 or more enemies with a single N6A3, AT-S or M77 in the Campaign or Instant Action.
Unlocked: 30 Jan 2009 02:45:06
Complete Interval 2 in the Campaign.
Unlocked: 30 Jan 2009 02:01:46