Full list of all 126 Halo Wars 2 achievements worth 1,750 gamerscore. It takes around 50-60 hours to unlock all of the achievements in the base game on Xbox One.
The base game contains 57 achievements worth 1,000 Gamerscore, and there are 11 DLC packs containing 69 achievements worth 750 Gamerscore.
- And the knockout punch
Complete Under the Dark
- Fifth floor: Tools, Guns, Super Weapons
Complete The Foundry
- Sentinel size matters
Complete The Halo
1 guide
- Last stop, this town
Complete Last Stand
1 guide
- Learn the ropes
Complete the Basic standalone tutorial
1 guide
- Know the ropes
Complete the Advanced standalone tutorial
1 guide
- Two heads are better than one
Complete a mission in co-op
1 guide
- The hard fight
Complete the Campaign on Heroic (original campaign)
1 guide
- Surviving the long war
Complete the Campaign on Legendary (original campaign)
2 guides
- Palmer's Pure Gold
Earn a gold medal on every mission (except Prologue) on any difficulty (original campaign)
1 guide
- Gold rush
Earn a gold medal on any mission (except Prologue) on any difficulty (original campaign)
- Lone Wolf
Complete any solo mission on Legendary (except The Signal) with all skulls on (original campaign)
2 guides
- Comrades in arms
Earn a gold medal on any mission (except The Signal) in Co-op on Legendary (original campaign)
2 guides
- A little bit extra
Complete half of the Campaign bonus objectives (original campaign)
- A lot extra
Complete all the Campaign bonus objectives (original campaign)
1 guide
- Alas, poor Yorick!
Collect a Skull (original campaign)
1 guide
- Morbid curiosities
Collect half of the Skulls (original campaign)
3 guides
- Collecting a dream
Collect all the Skulls (original campaign)
5 guides
- The Scrappy Six
Complete a Multiplayer match as each of the 6 launch leaders (Matchmaking only)
3 guides
- First steps
Complete a Multiplayer match (Matchmaking only)
2 guides
- Natural intelligence
Play a Skirmish match alone against only AI opponents (1 or more)
3 guides
- Two heads are better than none
Win a Skirmish match with a friend against only AI opponents (2 or more)
1 guide
- 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
8 guides
- The rank and file
Recruit or construct 1 of each UNSC unit in Multiplayer or Skirmish (Launch units only)
2 guides
- The tribe
Recruit or construct 1 of each Banished unit in Multiplayer or Skirmish (Launch units only)
1 guide
- Trash compactor
Destroy 100 vehicles with anti-vehicle units (Multiplayer, Skirmish or Blitz)
1 guide
- Flyswatter
Destroy 100 air units with anti-air units (Multiplayer, Skirmish or Blitz)
2 guides
- Meat grinder
Kill 100 infantry with anti-infantry units (Multiplayer, Skirmish or Blitz)
1 guide
- Spare change
Spend 5 Leader Points in Multiplayer, Skirmish or Terminus Firefight
2 guides
- Big Spender
Spend 100 Leader Points in Multiplayer, Skirmish or Terminus Firefight
1 guide
- Space Healer
Cast 100 Healing Leader Powers (Multiplayer, Skirmish or Blitz)
5 guides
- Overkill
Destroy 500 units with Leader Powers (Multiplayer, Skirmish or Blitz)
2 guides
- The hand that feeds
Kill a unit owned by a developer or someone who has this achievement
2 guides
- Making the most of the day
Complete 3 Daily Challenges in one day
1 guide
- A strong showing for the week
Complete a set of 3 Weekly Challenges in one week
1 guide
- Short-term commitment
Complete at least 1 Daily Challenge each day for a week
2 guides
- Long-term commitment
Complete at least 1 Weekly Challenge each week for a month
2 guides
- Duellist
Win your first Blitz match (Matchmaking only)
2 guides
- Ante-up
Complete the Blitz tutorial
2 guides
- Card shark
Complete 25 Blitz matches (Matchmaking only)
1 guide
- Full house
Complete Blitz matches as each of the 6 launch leaders (Matchmaking only)
3 guides
- All or nothing
Play all cards in your deck at least once in a single Blitz match
3 guides
- Stacked the chips
Gather 150 Energy Crates over any number of Blitz matches
2 guides
- Jackpot
Play 777 total Blitz cards over any number of matches
1 guide
- Firefighter
Beat wave 10 in Blitz Firefight
3 guides
- On fire
Score 500,000 points in a single Blitz Firefight
3 guides
- Paint it red
Achieve the highest possible kill-streak in any Blitz mode
3 guides
- Spreading Darkness
Win 3 matches as Voridus (Multiplayer, Skirmish or Blitz)
1 guide
- Cataclysmic
Kill 50 units with Cataclysm (Multiplayer, Skirmish, or Blitz)
2 guides
- Revel in Destruction
Use Invigorating Frenzy 50 times
1 guide
- Unbreakable
Win 3 matches as Pavium (Multiplayer, Skirmish or Blitz)
1 guide
- Marked for Death
Paint units using Pavium or Orbital Designator 30 times (Multiplayer, Skirmish, or Blitz)
1 guide
- The Long Game
Kill 50 units with Mega Turrets (Multiplayer, Skirmish, or Blitz)
1 guide
- Smash!
Gain a gold medal and complete all objectives in ‘What Could Go Wrong?’
2 guides
- Serving a New Master
Complete 'What Could Go Wrong?' on any difficulty
2 guides
- Hold the Line(s)
Gain a gold medal and complete all objectives in ‘Fighting Retreat’
3 guides
- The Wave Breaks
Complete 'Fighting Retreat' on any difficulty
1 guide
- Hidden Power
Gain a gold medal and complete all objectives in ‘Light the Fuse’
2 guides
- Tapped
Complete 'Light the Fuse' on any difficulty
1 guide
- We Got This
Reach the final room of The Archive without calling in reinforcements from the teleporters.
2 guides
- Nimble, for a Big Fella
Navigate the laser defenses in The Archive without losing any units on Heroic or above.
3 guides
- Have You Tried Rebooting?
Complete 'The Archive' on any difficulty
1 guide
- Before This Gets Out of Hand
Complete 'Manifestation' without the Proto-Gravemind exceeding 50% critical mass
2 guides
- Clean up your Mess
Complete 'Manifestation' on any difficulty
1 guide
- Banished Prowess
Beat any level on legendary in par time with a scoring skull active (AtN only)
4 guides
- The Brute Side
Collect every Phoenix Log collectable in 'Awakening the Nightmare'
2 guides
- Awake
Complete the 'Awakening the Nightmare' campaign on any difficulty
- Again with the Tentacles
Complete the 'Awakening the Nightmare' campaign on Heroic or higher
- The Ancient Enemy
Complete the 'Awakening the Nightmare' campaign on Legendary
3 guides
- Watch My Six
Complete wave 20 in co-op as a UNSC/Banished partnership (Terminus Firefight)
1 guide
- Outflood the Flood
Build and hold a minibase on every slot of a map at the same time (Terminus Firefight)
1 guide
- Ka-Ching!
Destroy 20 bonus drops in a single game (Terminus Firefight)
- High Maintenance
Build 50 barricades in a single game (Terminus Firefight)
1 guide
- Turret Farmer
Build 50 turrets in a single game (Terminus Firefight)
1 guide
- Pristine
Prevent the Terminus from taking any damage for 15 waves (Terminus Firefight)
2 guides
- Walled In
Have a wall built on every plot of the map at the same time (Terminus Firefight)
3 guides
- Survivor
Finish wave 5 without training additional units (Terminus Firefight)
2 guides
- Terminus Defender
Get an individual score of 500,000 (Terminus Firefight)
1 guide
- Terminus Tactician
Get an individual score of 1,000,000 (Terminus Firefight)
1 guide
- Terminus Teamwork
Get an total score of 2,000,000 (Terminus Firefight)
1 guide
- Terminus MVPs
Get an total score of 5,000,000 (Terminus Firefight)
2 guides
- Garrison
Finish wave 10 (Terminus Firefight)
1 guide
- Fortress
Finish wave 30 (Terminus Firefight)
1 guide
- Barricade
Finish wave 20 (Terminus Firefight)