Complete a Weekly Challenge.
Unlocked: 22 Oct 2013 07:01:23
Complete all of the Daily Challenges in a given day.
Unlocked: 22 Oct 2013 06:46:06
Score Attack
10Score 15,000 points in Score Attack Firefight Matchmaking.
Unlocked: 21 Jun 2013 06:00:54
Advance any Commendation to its Silver state.
Unlocked: 21 Dec 2012 16:57:13
Recommend a file to someone.
Unlocked: 05 Nov 2012 21:22:51
Using the File Browser upload a file to your File Share.
Unlocked: 05 Nov 2012 21:22:30
Let a teammate spawn on you 5 times in an Invasion Matchmaking game.
Unlocked: 26 Oct 2012 15:09:15
Skunked!
10Win a game of Invasion in the 1st phase.
Unlocked: 26 Oct 2012 14:43:07
As an Elite, kill 5 Spartan players in Matchmaking.
Unlocked: 26 Oct 2012 14:27:43
Earn a Killing Spree in multiplayer Matchmaking.
Unlocked: 18 Oct 2012 17:46:50
Yes, Sensei
10Earn a First Strike Medal in a Matchmaking game.
Unlocked: 18 Oct 2012 17:09:43
Use a Health Pack to recover life after taking body damage.
Unlocked: 18 Oct 2012 16:56:18
Complete each Campaign Mission on Legendary - alone.
Unlocked: Offline
Complete the Campaign on Legendary difficulty.
Unlocked: Offline
Purchase any item from the Armory.
Unlocked: Offline
Kill 10 Enemies in a Firefight or Campaign session with the M6G pistol.
Unlocked: Offline
Clear the 2nd mission without setting foot in a drivable vehicle.
Unlocked: Offline
Kill 7 Moa during the 2nd mission of the Campaign.
Unlocked: Offline
Kill 10 enemies in a Firefight or Campaign session with the DMR.
Unlocked: Offline
Complete the 2nd mission on Normal or harder.
Unlocked: Offline
Kill 2 vehicles at once with the Target Locator during the 3rd mission.
Unlocked: Offline
Swap Meet
10Trade weapons with an AI ally in Campaign.
Unlocked: Offline
Kill 10 enemies in Firefight or Campaign with a supercombine explosion.
Unlocked: Offline
Complete the 3rd mission on Normal or harder.
Unlocked: Offline
Perform an Assassination on an enemy.
Unlocked: Offline
Complete the 4th mission on Normal or harder.
Unlocked: Offline
Kill the Elite Zealot before he can escape during the 5th mission.
Unlocked: Offline
To War
10Complete the 5th mission on Normal or harder.
Unlocked: Offline
Destroy the Corvette's engines & escort in under 3 minutes in the 6th mission on Heroic or harder.
Unlocked: Offline
Complete the 6th mission on Normal or harder.
Unlocked: Offline
Lucky Me
25Earn a Triple Kill while Jetpacking in Campaign, Firefight or Matchmaking.
Unlocked: Offline
Complete the 7th mission on Normal or harder.
Unlocked: Offline
Reach the rank of Corporal in the UNSC.
Unlocked: Offline
Kill 3 of the anti-aircraft batteries during the 8th mission.
Unlocked: Offline
Complete the 8th mission on Normal or harder.
Unlocked: Offline
Finish the 9th mission on Legendary with the Scorpion intact.
Unlocked: Offline
Hijack a Banshee during the Reach Campaign.
Unlocked: Offline
Complete the 9th mission on Normal or harder.
Unlocked: Offline
Perform an Assassination against an Elite to survive a fall that would've been fatal.
Unlocked: Offline
Complete the 10th mission on Normal or harder.
Unlocked: Offline
Complete the Campaign on Heroic difficulty.
Unlocked: Offline
Complete the Campaign on Normal difficulty.
Unlocked: Offline
Earn a Killionaire medal in Firefight.
Unlocked: Offline
Complete a Firefight set on Legendary without dying.
Unlocked: Offline
Firestarter
10Score 50,000 points in Firefight on any map.
Unlocked: Offline
Score 200,000 points in Firefight on any map.
Unlocked: Offline
Score 1,000,000 points in Firefight on any map.
Unlocked: Offline
Reach the rank of Captain in the UNSC.
Unlocked: Offline
Make It Rain
10Purchase an item from the Armory that requires the rank of Lt. Colonel.
Unlocked: Offline
Noble 1: Earn a kill in a matchmade Rocket Race game.
Unlocked: 21 Jun 2013 06:23:44
Noble 1: Kill a player at long range with the DMR in a matchmade Slayer game.
Unlocked: 21 Jun 2013 06:10:25
Noble 1: Destroy a vehicle using Armor Lock in a matchmade game.
Unlocked: 15 Mar 2013 17:26:21
Noble 1: Earn a Double Kill from the Grave in multiplayer Matchmaking.
Unlocked: 26 Oct 2012 15:05:24
Noble 1: Collect all of the flags in a matchmade Stockpile game.
Unlocked: 26 Oct 2012 14:56:21
Noble 1: Blow up the research facility in a matchmade Invasion game on Breakpoint.
Unlocked: 26 Oct 2012 14:28:50
Both Barrels
50Noble 1: Earn a Double Kill with the shotgun in multiplayer Matchmaking.
Unlocked: 18 Oct 2012 17:42:34
All Alone
10Defiant: Be the last surviving uninfected player in a matchmade Infection game.
Unlocked: 22 Oct 2013 06:46:06
Defiant: Assassinate a player that just exited Armor-Lock in a matchmade game.
Unlocked: 21 Jun 2013 06:44:13
Defiant: Prevent the attacking team from touching the flag in a matchmade 1-Flag CTF game.
Unlocked: 21 Jun 2013 06:34:01
Defiant: Successfully return two flags in a matchmade CTF game.
Unlocked: Offline
Defiant: Kill 3 players with the Oddball in a matchmade Oddball game.
Unlocked: Offline
Defiant: Capture two flags from an enemy capture zone in a matchmade Stockpile game.
Unlocked: Offline
Anniversary: Stick and kill the flag carrier with a Plasma Grenade in a matchmade game.
Unlocked: 22 Oct 2013 06:46:06
Anniversary: Kill an enemy with their own Plasma Grenade that is stuck to you in a matchmade game.
Unlocked: 21 Jun 2013 07:31:23
Anniversary: Run over 5 people with a vehicle in a matchmade game.
Unlocked: 21 Jun 2013 07:20:03
Dive Bomber
50Anniversary: Perform a Beat Down on an enemy player while using the Jetpack during a matchmade game.
Unlocked: 21 Jun 2013 07:15:46
Anniversary: Capture 10 skulls at once in a matchmade Headhunter game.
Unlocked: 21 Jun 2013 07:07:27
Anniversary: Infect 3 players in a single round in a matchmade Infection game.
Unlocked: 21 Jun 2013 06:59:56
Top Shot
50Anniversary: Get 3 headshot kills in a row in a matchmade game.
Unlocked: 21 Jun 2013 06:56:51