Icon
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Name
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Description
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Gamerscore
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Campaign
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Pillar of Autumn
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Finish the first mission of the Campaign on any difficulty.
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25
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Halo
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Finish the second mission of the Campaign on any difficulty.
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25
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Truth and Reconciliation
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Finish the third mission of the Campaign on any difficulty.
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25
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The Silent Cartographer
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Finish the fourth mission of the Campaign on any difficulty.
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25
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Assault on the Control Room
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Finish the fifth mission of the Campaign on any difficulty.
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25
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343 Guilty Spark
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Finish the sixth mission of the Campaign on any difficulty.
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25
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The Library
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Finish the seventh mission of the Campaign on any difficulty.
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25
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Two Betrayals
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Finish the eighth mission of the Campaign on any difficulty.
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25
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Keyes
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Finish the ninth mission of the Campaign on any difficulty..
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25
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The Maw
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Finish the final mission of the Campaign on any difficulty..
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25
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Birth of a Spartan
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Finish the Campaign on Normal.
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10
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Believe in a Hero
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Finish the Campaign on Heroic (unlocks achievement for Normal, if not earned).
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20
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Living Legend
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Finish the Campaign on Legendary (unlocks achievement for Normal and Heroic, if not earned).
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50
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Standard Operating Brocedure
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Complete any level on Normal difficulty cooperatively.
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10
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Brovershield
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Complete any level on Heroic difficulty cooperatively.
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20
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Bro Hammer
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Complete any level on Legendary difficulty cooperatively.
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50
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He's Unstoppable!
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Complete any level on Heroic difficulty or higher without taking health damage.
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20
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Level-specific
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Overshields are for Sissies
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Complete the level "Pillar of Autumn" on Legendary without picking up an Overshield.
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10
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Walk it Off
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Complete the level "Pillar of Autumn" on Legendary without picking up a health kit.
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25
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No-Fly Zone
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Destroy three Banshees in the level Halo on any difficulty.
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10
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How Pedestrian
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Complete the level "Halo" on any difficulty without entering a vehicle.
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25
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All According to Plan...
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Kill all the enemies in the first encounter of the level "Truth and Reconciliation" without being detected.
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10
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Close Quarters Combat
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Complete the level "Truth and Reconciliation" with at least four rounds left in your Sniper Rifle.
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25
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Beachhead
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Storm the Beach on the level "The Silent Cartographer" without losing any marines on Heroic difficulty or above.
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10
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Grenadier
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After activating the map in the level "The Silent Cartographer" complete the rest of your mission without firing a shot on Heroic difficulty or above.
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25
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Wraith Hunter
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Destroy four Wraith tanks in "Assault on the Control Room" with the Scorpion tank, in a single play.
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10
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I'll Be Taking That!
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Pilot a Banshee on the level "Assault on the Control Room".
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25
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This One's for Jenkins!
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Kill 50 Flood Combat Forms on the level "343 Guilty Spark" on Heroic difficulty or higher.
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10
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Breaking Quarantine
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Escape the Forerunner facility on the level "343 Guilty Spark" in 21 minutes.
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25
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That Just Happened
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Complete the level "The Library" on Heroic difficulty or higher without dying.
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10
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Speed Reader
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Complete the level "The Library" on Legendary difficulty in 30 minutes or less.
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25
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Look Out for the Little Guys
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Complete the level "Two Betrayals" on Heroic difficulty or higher without killing any Grunts.
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10
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Leave It Where It Lay
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Complete the level "Two Betrayals" on Legendary difficulty without picking up a new weapon.
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25
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Tying Up Loose Ends
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Kill every Elite on the level "Keyes" on Heroic difficulty or above.
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10
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Popcorn.gif
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Kill 100 Flood Infection Forms on the level "Keyes" on Heroic difficulty or above.
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25
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This Side Up
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Complete the Warthog ride on the level "The Maw" without being forcibly ejected from your vehicle.
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10
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Never Tell Me the Odds
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Complete the Warthog ride on the level "The Maw" on Legendary difficulty with at least a minute remaining on the countdown.
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25
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Terminals
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What have we here?
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Read a terminal.
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10
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Heavy Reading
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Read half the terminals hidden throughout the campaign.
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25
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Dear Diary...
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Read all of the terminals hidden throughout the campaign.
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50
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Skulls
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Looks like the Oddball
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Find your first campaign skull.
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10
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Skulls Taken!
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Locate half of the skulls hidden throughout the campaign.
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25
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Headhunter
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Locate all the skulls hidden throughout the campaign.
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50
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Tsantsa
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Complete any level with three skulls active at Heroic difficulty or higher.
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50
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