Adjudicate the Arbiter
Complete the Campaign on Heroic Difficulty
30
Detour the Great Journey
Complete the Campaign on Legendary Difficulty
50
Momma's Boy
Get a Gold Medal on any mission
5
Crushed Colors
Improve your Score in any Campaign Mission
10
Mr. Punctual
Finish all missions under Par Time on Heroic difficulty
15
Own Worst Enemy
Get a Gold Medal with all Debuff Skulls Active
20
Wall of Recognition
Get a Gold Medal on every Campaign Mission
30
Epic Grinder
Obtain a Lifetime Campaign Score over 1,000,000
40
Everything's Better with Bacon
Mission 1: Ram 50 Grunts with Warthogs
5
Endless Fun
Mission 2: Destroy every Methane Tank
5
Covenant "Hot Drop"
Mission 3: Kill at least 5 Covenant Units with the Bridge
5
The Real Winner
Mission 4: Save Adam
5
He's Got The Jack
Mission 5: Jack 6 Covenant Vehicles
5
Rhino Hugger
Mission 6: Successfully protect every Rhino
5
Micro Manager
Mission 7: Do not destroy any Power Node
5
Ramblin' Man
Mission 8: Use Elephants to train 100 Infantry
5
Sweet Naptime
Mission 9: Put every Colony in Hibernation Mode at the same time
5
The Procrastinator
Mission 10: Disrupt all Tractor Beams
5
Battened Down the Hatches
Mission 11: Save all the Airlocks
5
Handy with Tools
Mission 12: Repair the Power Core in less than 4 minutes
5
Beaming with Pride
Mission 13: Destroy 25 units with the Scarab
5
Didn't Get To Second Base
Mission 14: Don't claim an extra base
5
Thinkin' about My Doorbell
Mission 15: Open the Doors in order
5
Backscratcher
Complete any Campaign Mission in Co-op Mode
10
OMG BFF FTW
Complete entire Campaign in Co-op Mode
40
Playin' the Field
Win a Skirmish Game with every Leader
15
Gallivant around the Galaxy
Win a game on every Skirmish Map
25
Empire Builder
Win a game in every Skirmish Game Mode
5
Titan
Get 20,000 points in any Skirmish Game
15
Big Al's Scooter
Win a Heroic Skirmish Game against the AI in under 10 minutes
10
My Virtual Friends Love Me
Win a 3v3 Skirmish game with 2 AI Allies
10
Walk-Off Winner
Use one of the 6 Major Leader Powers to destroy an enemy's last unit
30
2 Bugs are Better Than 1
Win a Skirmish Game with Dual Scarabs
10
Penny Pincher
Get a winning High Score with 10 or less Squads against the Heroic AI
10
N00b n0 M0r3
Win a Matchmade Skirmish Game on Xbox LIVE
10
So Lonely at the Top
Win and have the Highest Score in a Matchmade Skirmish Game on Xbox LIVE
20
Basically Naive
Obtain the Recruit Rank on Xbox LIVE
10
Officer on Deck
Obtain the Lieutenant Rank on Xbox LIVE
30
Running the Show
Obtain the General Rank on Xbox LIVE
50
Alas, Poor Andrew Thomas
Collect your first Skull
5
Graverobber
Collect all Skulls
30
Halo Academic
Unlock 20 Timeline Events
15
Halo Historian
Unlock All Timeline Events
40
Ready for the Sequel
100% Completion
75
24 Hours of Quality
Play Halo Wars for at least 24 Total Hours
20
Meet Sergeant Forge
(Secret Achievement)
Completed Mission 1 on any difficulty
10
Ice Warriors
(Secret Achievement)
Completed Act I on any difficulty
40
Key to Pirth
(Secret Achievement)
Completed Act II on any difficulty
50
Ugly is only Skin Deep
(Secret Achievement)
Completed Act III on any difficulty
70
No Way Home?
(Secret Achievement)
Completed Act IV on any difficulty
70