Complete each Campaign Mission on Legendary - alone.
Unlocked: 13 Apr 2013 14:44:57
Complete the Campaign on Legendary difficulty.
Unlocked: 13 Apr 2013 14:44:57
Make It Rain
10Purchase an item from the Armory that requires the rank of Lt. Colonel.
Unlocked: 12 Apr 2013 20:22:10
Reach the rank of Captain in the UNSC.
Unlocked: 07 Apr 2013 15:07:53
Finish the 9th mission on Legendary with the Scorpion intact.
Unlocked: 06 Apr 2013 17:16:48
Destroy the Corvette's engines & escort in under 3 minutes in the 6th mission on Heroic or harder.
Unlocked: 09 Nov 2012 22:36:12
Score Attack
10Score 15,000 points in Score Attack Firefight Matchmaking.
Unlocked: 09 Nov 2012 20:17:14
Advance any Commendation to its Silver state.
Unlocked: 09 Nov 2012 19:45:49
Complete the Campaign on Heroic difficulty.
Unlocked: 09 Nov 2012 19:03:24
As an Elite, kill 5 Spartan players in Matchmaking.
Unlocked: 20 Dec 2011 20:16:14
Let a teammate spawn on you 5 times in an Invasion Matchmaking game.
Unlocked: 20 Dec 2011 20:13:44
Skunked!
10Win a game of Invasion in the 1st phase.
Unlocked: 20 Dec 2011 20:13:43
Complete a Weekly Challenge.
Unlocked: 09 Dec 2011 23:26:58
Complete all of the Daily Challenges in a given day.
Unlocked: 09 Dec 2011 23:26:56
Yes, Sensei
10Earn a First Strike Medal in a Matchmaking game.
Unlocked: 09 Dec 2011 20:27:16
Earn a Killing Spree in multiplayer Matchmaking.
Unlocked: 04 Dec 2011 00:31:41
Kill 2 vehicles at once with the Target Locator during the 3rd mission.
Unlocked: 23 Jan 2011 13:40:32
Hijack a Banshee during the Reach Campaign.
Unlocked: 23 Jan 2011 13:32:07
Complete the 10th mission on Normal or harder.
Unlocked: 07 Oct 2010 21:29:51
Complete the Campaign on Normal difficulty.
Unlocked: 07 Oct 2010 21:29:51
Complete the 9th mission on Normal or harder.
Unlocked: 07 Oct 2010 20:04:20
Complete the 8th mission on Normal or harder.
Unlocked: 05 Oct 2010 15:05:48
Kill 3 of the anti-aircraft batteries during the 8th mission.
Unlocked: 05 Oct 2010 14:32:56
Complete the 7th mission on Normal or harder.
Unlocked: 05 Oct 2010 13:16:47
Complete the 6th mission on Normal or harder.
Unlocked: 25 Sep 2010 08:02:49
To War
10Complete the 5th mission on Normal or harder.
Unlocked: 23 Sep 2010 21:25:20
Kill the Elite Zealot before he can escape during the 5th mission.
Unlocked: 23 Sep 2010 20:55:50
Purchase any item from the Armory.
Unlocked: 20 Sep 2010 22:39:00
Reach the rank of Corporal in the UNSC.
Unlocked: 20 Sep 2010 22:37:08
Using the File Browser upload a file to your File Share.
Unlocked: 20 Sep 2010 22:06:32
Recommend a file to someone.
Unlocked: 20 Sep 2010 22:04:50
Complete the 4th mission on Normal or harder.
Unlocked: 20 Sep 2010 21:46:56
Perform an Assassination on an enemy.
Unlocked: 20 Sep 2010 20:59:39
Complete the 3rd mission on Normal or harder.
Unlocked: 20 Sep 2010 20:55:40
Use a Health Pack to recover life after taking body damage.
Unlocked: 19 Sep 2010 19:35:55
Swap Meet
10Trade weapons with an AI ally in Campaign.
Unlocked: 15 Sep 2010 19:51:33
Complete the 2nd mission on Normal or harder.
Unlocked: 13 Sep 2010 21:19:56
Kill 10 enemies in a Firefight or Campaign session with the DMR.
Unlocked: 13 Sep 2010 21:14:02
Kill 7 Moa during the 2nd mission of the Campaign.
Unlocked: 13 Sep 2010 20:49:49
Score 1,000,000 points in Firefight on any map.
Unlocked: 13 Sep 2010 20:16:27
Kill 10 enemies in Firefight or Campaign with a supercombine explosion.
Unlocked: 13 Sep 2010 19:22:29
Lucky Me
25Earn a Triple Kill while Jetpacking in Campaign, Firefight or Matchmaking.
Unlocked: 13 Sep 2010 18:23:02
Firestarter
10Score 50,000 points in Firefight on any map.
Unlocked: 13 Sep 2010 17:10:55
Kill 10 Enemies in a Firefight or Campaign session with the M6G pistol.
Unlocked: 13 Sep 2010 16:39:24
Clear the 2nd mission without setting foot in a drivable vehicle.
Unlocked: Offline
Perform an Assassination against an Elite to survive a fall that would've been fatal.
Unlocked: Offline
Earn a Killionaire medal in Firefight.
Unlocked: Offline
Complete a Firefight set on Legendary without dying.
Unlocked: Offline
Score 200,000 points in Firefight on any map.
Unlocked: Offline
Noble 1: Kill a player at long range with the DMR in a matchmade Slayer game.
Unlocked: 12 Apr 2013 19:15:06
Noble 1: Destroy a vehicle using Armor Lock in a matchmade game.
Unlocked: 23 Mar 2013 19:24:09
Noble 1: Collect all of the flags in a matchmade Stockpile game.
Unlocked: 20 Dec 2011 21:25:10
Noble 1: Earn a kill in a matchmade Rocket Race game.
Unlocked: 20 Dec 2011 20:55:10
Noble 1: Blow up the research facility in a matchmade Invasion game on Breakpoint.
Unlocked: 20 Dec 2011 20:25:13
Both Barrels
50Noble 1: Earn a Double Kill with the shotgun in multiplayer Matchmaking.
Unlocked: 09 Dec 2011 23:48:54
Noble 1: Earn a Double Kill from the Grave in multiplayer Matchmaking.
Unlocked: 09 Dec 2011 22:47:07
All Alone
10Defiant: Be the last surviving uninfected player in a matchmade Infection game.
Unlocked: 20 Dec 2011 22:43:43
Defiant: Assassinate a player that just exited Armor-Lock in a matchmade game.
Unlocked: 20 Dec 2011 21:52:49
Defiant: Prevent the attacking team from touching the flag in a matchmade 1-Flag CTF game.
Unlocked: 09 Dec 2011 22:20:32
Defiant: Successfully return two flags in a matchmade CTF game.
Unlocked: 09 Dec 2011 21:59:04
Defiant: Kill 3 players with the Oddball in a matchmade Oddball game.
Unlocked: 09 Dec 2011 21:52:54
Defiant: Capture two flags from an enemy capture zone in a matchmade Stockpile game.
Unlocked: 09 Dec 2011 21:41:58
Anniversary: Run over 5 people with a vehicle in a matchmade game.
Unlocked: 20 Dec 2011 20:39:40
Anniversary: Capture 10 skulls at once in a matchmade Headhunter game.
Unlocked: 04 Dec 2011 01:04:02
Anniversary: Infect 3 players in a single round in a matchmade Infection game.
Unlocked: 04 Dec 2011 00:46:34
Dive Bomber
50Anniversary: Perform a Beat Down on an enemy player while using the Jetpack during a matchmade game.
Unlocked: 04 Dec 2011 00:12:31
Anniversary: Stick and kill the flag carrier with a Plasma Grenade in a matchmade game.
Unlocked: 04 Dec 2011 00:01:46
Anniversary: Kill an enemy with their own Plasma Grenade that is stuck to you in a matchmade game.
Unlocked: 03 Dec 2011 23:54:31
Top Shot
50Anniversary: Get 3 headshot kills in a row in a matchmade game.
Unlocked: 03 Dec 2011 23:52:51