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