Played a Skirmish match alone against only AI opponents (1 or more)
Killed a unit owned by a developer or someone who has this achievement
Collected all the Skulls
Collected half of the Campaign logs
Found a Campaign log
Completed the Advanced standalone tutorial
Achieved the highest possible kill-streak in any Blitz mode
Played all cards in your deck at least once in a single Blitz match
Beat wave 10 in Blitz Firefight
Completed half of the Campaign bonus objectives
Completed the Blitz tutorial
Completed Last Stand
Completed the Campaign
Completed The Halo
Completed The Foundry
Completed Under the Dark
Completed Hold the Line
Collected half of the Skulls
Completed From the Deep
Completed Lights Out
Completed The Cartographer
Completed One Three Zero
Completed Ascension
Completed A New Enemy
Earned a gold medal on any mission (except Prologue) on any difficulty
Collected a Skull
Completed The Signal
Completed the Basic standalone tutorial
Won 3 matches as Yapyap (Multiplayer, Skirmish or Blitz)
Activated the Grunt Goblin charge 10 times. (Multiplayer, Skirmish or Blitz)
Fired 15 methane shells from the Methane Wagon. (Multiplayer, Skirmish or Blitz)
Gained a gold medal and completed all objectives in 'Gatecrashers' on legendary
Gained a gold medal and completed all objectives in 'Not On My Watch' on legendary
Completed Operation: Spearbreaker on any difficulty
Completed Operation: Spearbreaker on Heroic difficulty
Completed Operation: Spearbreaker on Legendary difficulty
Won 3 matches as Voridus (Multiplayer, Skirmish or Blitz)
Killed 50 units with Cataclysm (Multiplayer, Skirmish, or Blitz)
Used Invigorating Frenzy 50 times
Won 3 matches as Pavium (Multiplayer, Skirmish or Blitz)
Painted units using Pavium or Orbital Designator 30 times (Multiplayer, Skirmish, or Blitz)
Killed 50 units with Mega Turrets (Multiplayer, Skirmish, or Blitz)
Gained a gold medal and completed all objectives in 'What Could Go Wrong?'
Completed 'What Could Go Wrong?' on any difficulty
Gained a gold medal and completed all objectives in 'Fighting Retreat'
Completed 'Fighting Retreat' on any difficulty
Gained a gold medal and complete all objectives in 'Light the Fuse'
Completed 'Light the Fuse' on any difficulty
Located the Sentinel defenses in The Archive using only the starting units.
Navigated the laser defenses in The Archive without losing any units on Heroic or above.
Completed 'The Archive' on any difficulty
Completed 'Manifestation' without the Proto-Gravemind exceeding 50% critical mass
Completed 'Manifestation' on any difficulty
Beaten any level on legendary in par time with a scoring skull active (AtN only)
Collected every Phoenix Log collectable in 'Awakening the Nightmare'
Completed the 'Awakening the Nightmare' campaign on any difficulty
Completed the 'Awakening the Nightmare' campaign on Heroic or higher
Completed the 'Awakening the Nightmare' campaign on Legendary
Completed wave 20 in co-op as a UNSC/Banished partnership (Terminus Firefight)
Built and held a minibase on every slot of a map at the same time (Terminus Firefight)
Destroyed 20 bonus drops in a single game (Terminus Firefight)
Built 50 barricades in a single game (Terminus Firefight)
Built 50 turrets in a single game (Terminus Firefight)
Prevented the Terminus from taking any damage for 15 waves (Terminus Firefight)
Had a wall built on every plot of the map at the same time (Terminus Firefight)
Finished wave 5 without training additional units (Terminus Firefight)
Got an individual score of 500,000 (Terminus Firefight)
Got an individual score of 1,000,000 (Terminus Firefight)
Got an total score of 2,000,000 (Terminus Firefight)
Got an total score of 5,000,000 (Terminus Firefight)
Finished wave 10 (Terminus Firefight)
Finished wave 30 (Terminus Firefight)
Finished wave 20 (Terminus Firefight)
Completed a mission in co-op
Completed the Campaign on Heroic
Completed the Campaign on Legendary
Earned a gold medal on every mission (except Prologue) on any difficulty
Earned a gold medal on any mission (except Prologue) Solo on Legendary with all skulls activated
Earned a gold medal on any mission (except Prologue) in Co-op on Legendary
Completed all the Campaign bonus objectives
Completed a Multiplayer match as each of the 6 launch leaders (Matchmaking only)
Completed a Multiplayer match (Matchmaking only)
Won a Skirmish match with a friend against only AI opponents (2 or more)
Won a 1v1 Skirmish against Legendary AI after recycling your base in the first 5 minutes
Recruited or constructed 1 of each UNSC unit in Multiplayer or Skirmish (Launch units only)
Recruited or constructed 1 of each Banished unit in Multiplayer or Skirmish (Launch units only)
Destroyed 100 vehicles with anti-vehicle units (Multiplayer, Skirmish or Blitz)
Destroyed 100 air units with anti-air units (Multiplayer, Skirmish or Blitz)
Killed 100 infantry with anti-infantry units (Multiplayer, Skirmish or Blitz)
Spent 5 Leader Points in Multiplayer or Skirmish
Spent 100 Leader Points in Multiplayer or Skirmish
Casted 100 Healing Leader Powers (Multiplayer, Skirmish or Blitz)
Destroyed 500 units with Leader Powers (Multiplayer, Skirmish or Blitz)
Completed 3 Daily Challenges in one day
Completed a set of 3 Weekly Challenges in one week
Completed at least 1 Daily Challenge each day for a week
Completed at least 1 Weekly Challenge each week for a month
Won your first Blitz match (Matchmaking only)
Completed 25 Blitz matches (Matchmaking only)
Completed Blitz matches as each of the 6 launch leaders (Matchmaking only)
Gathered 150 Energy Crates in Blitz matches
Played 777 total Blitz cards
Scored 500,000 points in a single Blitz Firefight
Beat wave 25 in Blitz Firefight
Won 3 matches as Sgt. Johnson (Multiplayer, Skirmish or Blitz)
Built 10 Grizzlies (Multiplayer, Skirmish or Blitz)
Taunted 50 vehicles with the Hunter Captain's ability (Multiplayer, Skirmish or Blitz)
Killed 50 infantry units with the Colossus' Stomp ability (Multiplayer, Skirmish or Blitz)
Won 3 matches as Forge (Multiplayer, Skirmish or Blitz)
Used Repair Beacon special ability 15 times. (Multiplayer, Skirmish or Blitz)
Burned 50 infantry with Kinsano's Flamewall ability (Multiplayer, Skirmish or Blitz)
Killed 50 units with Forge's Warthog (Multiplayer, Skirmish or Blitz)
Killed 100 units with Inferno (Multiplayer, Skirmish or Blitz)
Attached 50 skitterers to units (Multiplayer, Skirmish or Blitz)
Won 3 matches as Morgan Kinsano (Multiplayer, Skirmish or Blitz)
Won 3 matches as Colony (Multiplayer, Skirmish or Blitz)
Collected all the Campaign logs
Won 3 matches as Commander Jerome (Multiplayer, Skirmish, or Blitz)
Killed 25 units with Jerome's Command Mantis unit. (Multiplayer, Skirmish, or Blitz)
Hijacked 40 vehicles with Omega Team members (Multiplayer, Skirmish, or Blitz)
Won 3 matches as The Arbiter (Multiplayer, Skirmish or Blitz)
Killed 20 air units with the Arbiter while raging (Multiplayer, Skirmish, or Blitz)
Trapped 100 units with Stasis (Multiplayer, Skirmish, or Blitz)
Won 3 matches as Serina (Multiplayer, Skirmish or Blitz)
Froze 50 squads with Cryo Abilities (Multiplayer, Skirmish or Blitz)
Shattered 20 squads that have been frozen (Multiplayer, Skirmish or Blitz)
