Halo Wars 2

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

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

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

Located the Sentinel defenses in The Archive using only the starting units.

Completed all the Campaign bonus objectives

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

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

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

Collected every Phoenix Log collectable in 'Awakening the Nightmare'

Gained a gold medal and completed all objectives in ‘What Could Go Wrong?’

Completed the 'Awakening the Nightmare' campaign on Legendary

Won a 1v1 Skirmish against Legendary AI after recycling your base in the first 5 minutes

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

Finished wave 5 without training additional units (Terminus Firefight)

Completed Operation: Spearbreaker on Legendary difficulty

Used Invigorating Frenzy 50 times

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

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

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

Gained a gold medal and completed all objectives in ‘Fighting Retreat’

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

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

Completed at least 1 Daily Challenge each day for a week

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

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

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

Collected all the Campaign logs

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

Completed 25 Blitz matches (Matchmaking only)

Completed Operation: Spearbreaker on Heroic difficulty

Completed the Campaign on Legendary

Collected all the Skulls

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

Played 777 total Blitz cards

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

Used the Hunter Captain's Taunt ability 50 times (Multiplayer, Skirmish or Blitz)

Built 50 turrets in a single game (Terminus Firefight)

Built 50 barricades in a single game (Terminus Firefight)

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

Completed at least 1 Weekly Challenge each week for a month

Completed the Campaign on Heroic

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

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

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

Completed a set of 3 Weekly Challenges in one week

Shattered 20 squads that have been frozen (Multiplayer, Skirmish or Blitz)

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

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

Beat wave 25 in Blitz Firefight

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

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

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

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

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

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

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

Got a team score of 5,000,000 (Terminus Firefight)

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

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

Completed the 'Awakening the Nightmare' campaign on any difficulty

Completed 'Manifestation' on any difficulty

Finished wave 30 (Terminus Firefight)

Got a team score of 2,000,000 (Terminus Firefight)

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

Gathered 150 Energy Crates in Blitz matches

Completed 'The Archive' on any difficulty

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

Got a player score of 1,000,000 (Terminus Firefight)

Scored 500,000 points in a single Blitz Firefight

Won your first Blitz match (Matchmaking only)

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

Finished wave 20 (Terminus Firefight)

Completed Operation: Spearbreaker on any difficulty

Completed 'Light the Fuse' on any difficulty

Got a player score of 500,000 (Terminus Firefight)

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

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

Finished wave 10 (Terminus Firefight)

Completed 'Fighting Retreat' on any difficulty

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

Completed 3 Daily Challenges in one day

Achieved the highest possible kill-streak in any Blitz mode

Completed 'What Could Go Wrong?' on any difficulty

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

Recruited or constructed 1 of each Banished unit in Multiplayer or Skirmish (Launch units only)

Completed half of the Campaign bonus objectives

Beat wave 10 in Blitz Firefight

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

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

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

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

Recruited or constructed 1 of each UNSC unit in Multiplayer or Skirmish (Launch units only)

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

Built 10 Grizzlies (Multiplayer, Skirmish or Blitz)

Completed a mission in co-op

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

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

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

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

Collected half of the Skulls

Completed the Blitz tutorial

Spent 100 Leader Points in Multiplayer or Skirmish

Completed the Campaign

Completed Last Stand

Completed The Halo

Completed The Foundry

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

Completed the Advanced standalone tutorial

Completed Under the Dark

Completed Hold the Line

Completed From the Deep

Completed a Multiplayer match (Matchmaking only)

Collected half of the Campaign logs

Completed Lights Out

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

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

Completed The Cartographer

Completed the Basic standalone tutorial

Completed One Three Zero

Completed Ascension

Collected a Skull

Spent 5 Leader Points in Multiplayer or Skirmish

Completed A New Enemy

Completed The Signal

Found a Campaign log