Achievement | How to unlock | Type
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A history of decimation | Complete A New Enemy | 10
|
A little bit extra | Complete half of the Campaign bonus objectives | 10
|
A lot extra | Complete all the Campaign bonus objectives | 20
|
A strong showing for the week | Complete a set of 3 Weekly Challenges in one week | 10
|
Alas, poor Yorick! | Collect a Skull | 10
|
All or nothing | Play all cards in your deck at least once in a single Blitz match | 10
|
All travel is suspended | Complete Lights Out | 10
|
And the knockout punch | Complete Under the Dark | 10
|
Ante-up | Complete the Blitz tutorial | 10
|
Behind enemy lines | Complete From the Deep | 10
|
Big Spender | Spend 100 Leader Points in Multiplayer or Skirmish | 30
|
Card shark | Complete 25 Blitz matches (Matchmaking only) | 20
|
Collecting a dream | Collect all the Skulls | 30
|
Comrades in arms | Earn a gold medal on any mission (except Prologue) in Co-op on Legendary | 20
|
Dominated | Complete Ascension | 10
|
Duellist | Win your first Blitz match (Matchmaking only) | 10
|
Fifth floor: Tools, Guns, Super Weapons | Complete The Foundry | 10
|
Firefighter | Beat wave 10 in Blitz Firefight | 10
|
First steps | Complete a Multiplayer match (Matchmaking only) | 10
|
Flyswatter | Destroy 100 air units with anti-air units (Multiplayer, Skirmish or Blitz) | 20
|
Full house | Complete Blitz matches as each of the 6 launch leaders (Matchmaking only) | 10
|
Gold rush | Earn a gold medal on any mission (except Prologue) on any difficulty | 20
|
Guerilla tactics | Complete One Three Zero | 10
|
It just keeps going | Beat wave 25 in Blitz Firefight | 30
|
Jackpot | Play 777 total Blitz cards over any number of matches | 40
|
Know the ropes | Complete the Advanced standalone tutorial | 10
|
Last stop, this town | Complete Last Stand | 10
|
Learn the ropes | Complete the Basic standalone tutorial | 10
|
Lone Wolf | Complete any mission (except The Signal) solo on Legendary with all skulls activated | 40
|
Long-term commitment | Complete at least 1 Weekly Challenge each week for a month | 30
|
Making the most of the day | Complete 3 Daily Challenges in one day | 10
|
Meat grinder | Kill 100 infantry with anti-infantry units (Multiplayer, Skirmish or Blitz) | 20
|
Morbid curiosities | Collect half of the Skulls | 20
|
Natural intelligence | Play a Skirmish match alone against only AI opponents (1 or more) | 10
|
On fire | Score 500,000 points in a single Blitz Firefight | 20
|
Overkill | Destroy 500 units with Leader Powers (Multiplayer, Skirmish or Blitz) | 30
|
Paint it red | Achieve the highest possible kill-streak in any Blitz mode | 10
|
Palmer's Pure Gold | Earn a gold medal on every mission (except Prologue) on any difficulty | 30
|
Sentinel size matters | Complete The Halo | 10
|
Short-term commitment | Complete at least 1 Daily Challenge each day for a week | 20
|
Space Healer | Cast 100 Healing Leader Powers (Multiplayer, Skirmish or Blitz) | 30
|
Spare change | Spend 5 Leader Points in Multiplayer or Skirmish | 10
|
Stacked the chips | Gather 150 Energy Crates over any number of Blitz matches | 10
|
Stirring the pot | Complete The Cartographer | 10
|
Surviving the long war | Complete the Campaign on Legendary | 60
|
The hand that feeds | Kill a unit owned by a developer or someone who has this achievement | 20
|
The hard fight | Complete the Campaign on Heroic | 40
|
The rank and file | Recruit or construct 1 of each UNSC unit in Multiplayer or Skirmish (Launch units only) | 10
|
The Scrappy Six | Complete a Multiplayer match as each of the 6 launch leaders (Matchmaking only) | 20
|
The setup... | Complete Hold the Line | 10
|
The tribe | Recruit or construct 1 of each Banished unit in Multiplayer or Skirmish (Launch units only) | 10
|
This war is over | Complete the Campaign | 30
|
Trash compactor | Destroy 100 vehicles with anti-vehicle units (Multiplayer, Skirmish or Blitz) | 20
|
Two heads are better than none | Win a Skirmish match with a friend against only AI opponents (2 or more) | 10
|
Two heads are better than one | Complete a mission in co-op | 10
|
Wake up | Complete The Signal | 10
|
You've got a case of the Birley | In a 1v1 Skirmish against Legendary AI, recycle your base in the first 5 minutes and then win | 20
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