- On fire
Scored 500,000 points in a single Blitz Firefight
28 February 2017 - 3 guides
- Paint it red
Achieved the highest possible kill-streak in any Blitz mode
28 February 2017 - 3 guides
- Firefighter
Beat wave 10 in Blitz Firefight
28 February 2017 - 3 guides
- Ante-up
Completed the Blitz tutorial
- Meat grinder
Killed 100 infantry with anti-infantry units (Multiplayer, Skirmish or Blitz)
28 February 2017 - 2 guides
- Flyswatter
Destroyed 100 air units with anti-air units (Multiplayer, Skirmish or Blitz)
28 February 2017 - 3 guides
- Sentinel size matters
Completed The Halo
- A strong showing for the week
Completed a set of 3 Weekly Challenges in one week
- Spreading Darkness
Win 3 matches as Voridus (Multiplayer, Skirmish or Blitz)
- Cataclysmic
Kill 50 units with Cataclysm (Multiplayer, Skirmish, or Blitz)
Locked - 2 guides
- Revel in Destruction
Use Invigorating Frenzy 50 times
- Unbreakable
Win 3 matches as Pavium (Multiplayer, Skirmish or Blitz)
Locked - 2 guides
- Marked for Death
Paint units using Pavium or Orbital Designator 30 times (Multiplayer, Skirmish, or Blitz)
- The Long Game
Kill 50 units with Mega Turrets (Multiplayer, Skirmish, or Blitz)
- Smash!
Gain a gold medal and complete all objectives in ‘What Could Go Wrong?’
Locked - 2 guides
- Serving a New Master
Complete 'What Could Go Wrong?' on any difficulty
- Hold the Line(s)
Gain a gold medal and complete all objectives in ‘Fighting Retreat’
Locked - 3 guides
- The Wave Breaks
Complete 'Fighting Retreat' on any difficulty
- Hidden Power
Gain a gold medal and complete all objectives in ‘Light the Fuse’
Locked - 2 guides
- Tapped
Complete 'Light the Fuse' on any difficulty
- We Got This
Reach the final room of The Archive without calling in reinforcements from the teleporters.
- Nimble, for a Big Fella
Navigate the laser defenses in The Archive without losing any units on Heroic or above.
Locked - 3 guides
- Have You Tried Rebooting?
Complete 'The Archive' on any difficulty
- Before This Gets Out of Hand
Complete 'Manifestation' without the Proto-Gravemind exceeding 50% critical mass
Locked - 2 guides
- Clean up your Mess
Complete 'Manifestation' on any difficulty
- Banished Prowess
Beat any level on legendary in par time with a scoring skull active (AtN only)
Locked - 4 guides
- The Brute Side
Collect every Phoenix Log collectable in 'Awakening the Nightmare'
- 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
Locked - 3 guides
- Watch My Six
Complete wave 20 in co-op as a UNSC/Banished partnership (Terminus Firefight)
- Outflood the Flood
Build and hold a minibase on every slot of a map at the same time (Terminus Firefight)
- Ka-Ching!
Destroy 20 bonus drops in a single game (Terminus Firefight)
- High Maintenance
Build 50 barricades in a single game (Terminus Firefight)
- Turret Farmer
Build 50 turrets in a single game (Terminus Firefight)
- Pristine
Prevent the Terminus from taking any damage for 15 waves (Terminus Firefight)
Locked - 2 guides
- Walled In
Have a wall built on every plot of the map at the same time (Terminus Firefight)
Locked - 2 guides
- Survivor
Finish wave 5 without training additional units (Terminus Firefight)
Locked - 2 guides
- Terminus Defender
Get a player score of 500,000 (Terminus Firefight)
- Terminus Tactician
Get a player score of 1,000,000 (Terminus Firefight)
- Terminus Teamwork
Get a team score of 2,000,000 (Terminus Firefight)
- Terminus MVPs
Get a team score of 5,000,000 (Terminus Firefight)
Locked - 2 guides
- Garrison
Finish wave 10 (Terminus Firefight)
- Fortress
Finish wave 30 (Terminus Firefight)
- Barricade
Finish wave 20 (Terminus Firefight)