Score over 200,000 points in Firefight on Last Exit.
Unlocked: 15 May 2010 15:34:52
Score over 200,000 points in Firefight on Chasm Ten.
Unlocked: 11 May 2010 23:11:26
Score over 200,000 points in Firefight on Rally Point.
Unlocked: 06 May 2010 16:13:19
Score over 200,000 points in Firefight on Windward.
Unlocked: 24 Oct 2009 21:49:35
Complete Highway on 4-player Legendary LIVE co-op, with Iron, and no 'Hog or Scorpion.
Unlocked: 22 Oct 2009 22:42:29
In Firefight, on any mission, pass the 4th Set on 4-player Heroic LIVE co-op.
Unlocked: 21 Oct 2009 12:58:01
Score over 200,000 points in Firefight on Alpha Site.
Unlocked: 18 Oct 2009 12:12:23
Score over 200,000 points in Firefight on Security Zone.
Unlocked: 16 Oct 2009 14:02:52
Score over 200,000 points in Firefight on Lost Platoon.
Unlocked: 04 Oct 2009 21:55:14
In Firefight, finish a full round without killing a single enemy.
Unlocked: 25 Sep 2009 14:21:21
Score over 200,000 points in Firefight on Crater.
Unlocked: 24 Sep 2009 17:54:53
Super Sleuth
10Find the final clue unraveling the mystery, alone or with another ODST.
Unlocked: 24 Sep 2009 13:32:10
Kill all Wraiths in Uplift Reserve.
Unlocked: 24 Sep 2009 10:27:52
Stun a vehicle with an overcharged plasma pistol and quickly kill the driver.
Unlocked: 24 Sep 2009 10:15:14
Audiophile
75Find all Audio Logs, alone or with another ODST.
Unlocked: 24 Sep 2009 10:08:39
Plasma Pistol Overcharge and quickly kill 10 Brutes.
Unlocked: 24 Sep 2009 10:03:06
Killing things that are new and different is good, alone or with another ODST.
Unlocked: 24 Sep 2009 09:43:44
Complete the Campaign on Heroic difficulty.
Unlocked: 23 Sep 2009 23:47:08
Complete the Campaign on Legendary to unlock a new Firefight character.
Unlocked: 23 Sep 2009 23:47:08
Complete the Campaign on Normal difficulty.
Unlocked: 23 Sep 2009 23:47:07
Complete Coastal Highway on Normal, Heroic, or Legendary to unlock a new Firefight mission.
Unlocked: 23 Sep 2009 23:47:06
Data Hive
50Complete Data Hive on Normal, Heroic, or Legendary to unlock a new Firefight mission.
Unlocked: 23 Sep 2009 21:49:42
Kill 10 enemies with the Flamethrower on Data Hive.
Unlocked: 23 Sep 2009 14:54:40
Killing things that are new and different is bad, alone or with another ODST.
Unlocked: 23 Sep 2009 14:13:11
Complete Kikowani Station on Normal, Heroic, or Legendary.
Unlocked: 23 Sep 2009 13:56:44
All Ears
30Find 15 Audio Logs, alone or with another ODST.
Unlocked: 23 Sep 2009 12:51:56
NMPD HQ
30Complete NMPD HQ on Normal, Heroic, or Legendary to unlock a new Firefight character.
Unlocked: 23 Sep 2009 12:37:55
Get 15 headshot kills on NMPD HQ.
Unlocked: 23 Sep 2009 12:13:57
Complete ONI Alpha Site on Normal, Heroic, or Legendary to unlock a new Firefight mission.
Unlocked: 23 Sep 2009 11:03:35
Get 10 Spartan Laser kills on ONI Alpha Site.
Unlocked: 23 Sep 2009 10:18:57
Gumshoe
10Find the 3rd clue unraveling the mystery, alone or with another ODST.
Unlocked: 23 Sep 2009 10:11:40
Get 10 Rocket kills on Kizingo Boulevard.
Unlocked: 23 Sep 2009 08:53:32
Tuned In
15Find 3 Audio Logs, alone or with another ODST.
Unlocked: 23 Sep 2009 08:23:01
Listener
5Find the first Audio Log.
Unlocked: 22 Sep 2009 23:33:56
Complete Uplift Reserve on Normal, Heroic, or Legendary to unlock a new Firefight character.
Unlocked: 22 Sep 2009 23:25:07
Finish any level solo on Legendary, on LIVE, with no shots fired or grenades thrown.
Unlocked: 22 Sep 2009 23:25:07
Headcase
5Finish any level with at least one Skull activated.
Unlocked: 22 Sep 2009 18:52:07
Get 5 sticky grenade kills in any level.
Unlocked: 22 Sep 2009 18:32:55
Get 10 automag headshot kills in any level.
Unlocked: 22 Sep 2009 18:27:44
Tayari Plaza
30Complete Tayari Plaza on Normal, Heroic, or Legendary to unlock a new Firefight character.
Unlocked: 22 Sep 2009 16:16:54
Get 10 Needler supercombine kills on any covenant.
Unlocked: 22 Sep 2009 14:58:13
Trade weapons with a fellow character.
Unlocked: 22 Sep 2009 14:38:21
Find the first clue unraveling the mystery.
Unlocked: 22 Sep 2009 13:49:16
Tourist
5Access and download the city map to your VISR.
Unlocked: 22 Sep 2009 13:34:50
Kill 5 enemies while using VISR mode.
Unlocked: 22 Sep 2009 12:57:03
Heal Up
5Find the first Medical Kiosk and heal yourself.
Unlocked: 22 Sep 2009 12:45:15
Complete Kizingo Blvd. on Normal, Heroic, or Legendary to unlock a new Firefight character.
Unlocked: Offline