Complete the Campaign

(1)  

Beat wave 25 in Blitz Firefight

(5)  

Complete The Signal

(1)  

Complete A New Enemy

(1)  

Complete Ascension

(1)  

Complete One Three Zero

(1)  

Complete The Cartographer

(1)  

Complete Lights Out

(1)  

Complete From the Deep

(1)  

Complete Hold the Line

(1)  

Complete Under the Dark

(1)  

Complete The Foundry

(1)  

Complete The Halo

(2)  

Complete Last Stand

(1)  

Complete the Basic standalone tutorial

Complete the Advanced standalone tutorial

Complete a mission in co-op

(14) 

Complete the Campaign on Heroic

(1)   

Complete the Campaign on Legendary

(4)   

Earn a gold medal on every mission (except Prologue) on any difficulty

(1)  

Earn a gold medal on any mission (except Prologue) on any difficulty

  

Complete any mission (except The Signal) solo on Legendary with all skulls activated

Earn a gold medal on any mission (except Prologue) in Co-op on Legendary

(22) 

Complete half of the Campaign bonus objectives

(1)  

Complete all the Campaign bonus objectives

(1)  

Collect a Skull

(1)   

Collect half of the Skulls

(2)   

Collect all the Skulls

(3)   

Complete a Multiplayer match as each of the 6 launch leaders (Matchmaking only)

Complete a Multiplayer match (Matchmaking only)

Play a Skirmish match alone against only AI opponents (1 or more)

Win a Skirmish match with a friend against only AI opponents (2 or more)

(13) 

In a 1v1 Skirmish against Legendary AI, recycle your base in the first 5 minutes and then win

Recruit or construct 1 of each UNSC unit in Multiplayer or Skirmish (Launch units only)

(1)  

Recruit or construct 1 of each Banished unit in Multiplayer or Skirmish (Launch units only)

(1)  

Destroy 100 vehicles with anti-vehicle units (Multiplayer, Skirmish or Blitz)

(1)  

Destroy 100 air units with anti-air units (Multiplayer, Skirmish or Blitz)

(1)  

Kill 100 infantry with anti-infantry units (Multiplayer, Skirmish or Blitz)

(2)  

Spend 5 Leader Points in Multiplayer or Skirmish

(1)  

Spend 100 Leader Points in Multiplayer or Skirmish

(1)  

Cast 100 Healing Leader Powers (Multiplayer, Skirmish or Blitz)

(1)  

Destroy 500 units with Leader Powers (Multiplayer, Skirmish or Blitz)

(2)  

Kill a unit owned by a developer or someone who has this achievement

(4) 

Complete 3 Daily Challenges in one day

Complete a set of 3 Weekly Challenges in one week

Complete at least 1 Daily Challenge each day for a week

Complete at least 1 Weekly Challenge each week for a month

Win your first Blitz match (Matchmaking only)

Complete the Blitz tutorial

Complete 25 Blitz matches (Matchmaking only)

Complete Blitz matches as each of the 6 launch leaders (Matchmaking only)

Play all cards in your deck at least once in a single Blitz match

(2)  

Gather 150 Energy Crates over any number of Blitz matches

(1)  

Play 777 total Blitz cards over any number of matches

(1)  

Beat wave 10 in Blitz Firefight

(3)  

Score 500,000 points in a single Blitz Firefight

(4)  

Achieve the highest possible kill-streak in any Blitz mode

(6)  

Build 10 Grizzlies (Multiplayer, Skirmish or Blitz)

(1)  

Win 3 matches as Forge (Multiplayer, Skirmish or Blitz)

(1)  

Kill 50 units with Forge's Warthog (Multiplayer, Skirmish or Blitz)

(2)  

Burn 50 infantry with Kinsano's Flamewall ability (Multiplayer, Skirmish or Blitz)

(1)  

Kill 100 units with Inferno (Multiplayer, Skirmish or Blitz)

(1)  

Win 3 matches as Morgan Kinsano (Multiplayer, Skirmish or Blitz)

(1)  

Collect half of the Campaign logs

(2)   

Collect all the Campaign logs

(3)   

Find a Campaign log

(2)   

Taunt 50 vehicles with the Hunter Captain's ability (Multiplayer, Skirmish or Blitz)

(1)  

Attach 50 skitterers to units (Multiplayer, Skirmish or Blitz)

(1)  

Win 3 matches as Colony (Multiplayer, Skirmish or Blitz)

(1)  

Win 3 matches as Sgt. Johnson (Multiplayer, Skirmish or Blitz)

(1)  

Kill 50 infantry units with the Colossus' Stomp ability (Multiplayer, Skirmish or Blitz)

(2)  

Use Repair Beacon special ability 15 times. (Multiplayer, Skirmish or Blitz)

(1)  

Win 3 matches as Commander Jerome (Multiplayer, Skirmish, or Blitz)

(1)  

Kill 25 units with Jerome's Command Mantis unit. (Multiplayer, Skirmish, or Blitz)

(1)  

Hijack 40 vehicles with Omega Team members (Multiplayer, Skirmish, or Blitz)

(1)  

Win 3 matches as The Arbiter (Multiplayer, Skirmish or Blitz)

(1)  

Kill 20 air units with the Arbiter while raging (Multiplayer, Skirmish, or Blitz)

(1)  

Trap 100 units with Stasis (Multiplayer, Skirmish, or Blitz)

(1)  

Win 3 matches as Serina (Multiplayer, Skirmish or Blitz)

(1)  

Freeze 50 squads with Cryo Abilities (Multiplayer, Skirmish or Blitz)

(1)  

Shatter 20 squads that have been Frozen. (Multiplayer, Skirmish or Blitz)

(1)  

Gain a gold medal and complete all objectives in ‘Gatecrashers’ on legendary

(1)  

Gain a gold medal and complete all objectives in ‘Not On My Watch’ on legendary

(3)  

Complete Operation: Spearbreaker on any difficulty

(1)  

Complete Operation: Spearbreaker on Heroic difficulty

(1)   

Complete Operation: Spearbreaker on Legendary difficulty

(2)   

Win 3 matches as Yapyap (Multiplayer, Skirmish or Blitz)

(1)  

Activate the Grunt Goblin charge 10 times. (Multiplayer, Skirmish or Blitz)

(1)  

Fire 15 methane shells from the Methane Wagon. (Multiplayer, Skirmish or Blitz)

(1)  

Win 3 matches as Voridus (Multiplayer, Skirmish or Blitz)

(1)  

Kill 50 units with Cataclysm (Multiplayer, Skirmish, or Blitz)

(1)  

Use Invigorating Frenzy 50 times

(1)  

Win 3 matches as Pavium (Multiplayer, Skirmish or Blitz)

(1)  

Paint units using Pavium or Orbital Designator 30 times (Multiplayer, Skirmish, or Blitz)

(1)  

Kill 50 units with Mega Turrets (Multiplayer, Skirmish, or Blitz)

(1)  

Gain a gold medal and complete all objectives in ‘What Could Go Wrong?’

  

Complete 'What Could Go Wrong?' on any difficulty

(1)  

Gain a gold medal and complete all objectives in ‘Fighting Retreat’

(1)  

Complete 'Fighting Retreat' on any difficulty

(2)  

Gain a gold medal and complete all objectives in ‘Light the Fuse’

  

Complete 'Light the Fuse' on any difficulty

(1)  

Reach the final room of The Archive without calling in reinforcements from the teleporters.

  

Navigate the laser defenses in The Archive without losing any units on Heroic or above.

  

Complete 'The Archive' on any difficulty

(3)  

Complete 'Manifestation' without the Proto-Gravemind exceeding 50% critical mass

  

Complete 'Manifestation' on any difficulty

(1)  

Beat any level on legendary in par time with a scoring skull active (AtN only)

  

Collect every Phoenix Log collectable in 'Awakening the Nightmare'

(1)   

Complete the 'Awakening the Nightmare' campaign on any difficulty

(1)  

Complete the 'Awakening the Nightmare' campaign on Heroic or higher

(1)   

Complete the 'Awakening the Nightmare' campaign on Legendary

(1)   

Complete wave 20 in co-op as a UNSC/Banished partnership (Terminus Firefight)

Build and hold a minibase on every slot of a map at the same time (Terminus Firefight)

  

Destroy 20 bonus drops in a single game (Terminus Firefight)

  

Build 50 barricades in a single game (Terminus Firefight)

  

Build 50 turrets in a single game (Terminus Firefight)

  

Prevent the Terminus from taking any damage for 15 waves (Terminus Firefight)

  

Have a wall built on every plot of the map at the same time (Terminus Firefight)

  

Finish wave 5 without training additional units (Terminus Firefight)

  

Get an individual score of 500,000 (Terminus Firefight)

  

Get an individual score of 1,000,000 (Terminus Firefight)

  

Get an total score of 2,000,000 (Terminus Firefight)

  

Get an total score of 5,000,000 (Terminus Firefight)

  

Finish wave 10 (Terminus Firefight)

  

Finish wave 30 (Terminus Firefight)

  

Finish wave 20 (Terminus Firefight)