Secret Achievement
10
Continue playing to unlock this secret achievement.
Secret Achievement
40
Continue playing to unlock this secret achievement.
Momma's Boy
5
Get a Gold Medal on any mission
Alas, Poor Andrew Thomas
5
Collect your first Skull
Secret Achievement
50
Continue playing to unlock this secret achievement.
Secret Achievement
70
Continue playing to unlock this secret achievement.
Secret Achievement
70
Continue playing to unlock this secret achievement.
Backscratcher
10
Complete any Campaign Mission in Co-op Mode
Crushed Colors
10
Improve your Score in any Campaign Mission
Basically Naive
10
Obtain the Recruit Rank on Xbox LIVE
Covenant "Hot Drop"
5
Mission 3: Kill at least 5 Covenant Units with the Bridge
Walk-Off Winner
30
Use one of the 6 Major Leader Powers to destroy an enemy's last unit
Beaming with Pride
5
Mission 13: Destroy 25 units with the Scarab
N00b n0 M0r3
10
Win a Matchmade Skirmish Game on Xbox LIVE
My Virtual Friends Love Me
10
Win a 3v3 Skirmish game with 2 AI Allies
Empire Builder
5
Win a game in every Skirmish Game Mode
Sweet Naptime
5
Mission 9: Put every Colony in Hibernation Mode at the same time
Battened Down the Hatches
5
Mission 11: Save all the Airlocks
2 Bugs are Better Than 1
10
Win a Skirmish Game with Dual Scarabs
Thinkin' about My Doorbell
5
Mission 15: Open the Doors in order
Halo Academic
15
Unlock 20 Timeline Events
24 Hours of Quality
20
Play Halo Wars for at least 24 Total Hours
Endless Fun
5
Mission 2: Destroy every Methane Tank
Playin' the Field
15
Win a Skirmish Game with every Leader
So Lonely at the Top
20
Win and have the Highest Score in a Matchmade Skirmish Game on Xbox LIVE
Rhino Hugger
5
Mission 6: Successfully protect every Rhino
The Real Winner
5
Mission 4: Save Adam
The Procrastinator
5
Mission 10: Disrupt all Tractor Beams
OMG BFF FTW
40
Complete entire Campaign in Co-op Mode
Didn't Get To Second Base
5
Mission 14: Don't claim an extra base
Big Al's Scooter
10
Win a Heroic Skirmish Game against the AI in under 10 minutes
Epic Grinder
40
Obtain a Lifetime Campaign Score over 1,000,000
He's Got The Jack
5
Mission 5: Jack 6 Covenant Vehicles
Gallivant around the Galaxy
25
Win a game on every Skirmish Map
Penny Pincher
10
Get a winning High Score with 10 or less Squads against the Heroic AI
Ramblin' Man
5
Mission 8: Use Elephants to train 100 Infantry
Handy with Tools
5
Mission 12: Repair the Power Core in less than 4 minutes
Wall of Recognition
30
Get a Gold Medal on every Campaign Mission
Micro Manager
5
Mission 7: Do not destroy any Power Node
Graverobber
30
Collect all Skulls
Own Worst Enemy
20
Get a Gold Medal with all Debuff Skulls Active
Adjudicate the Arbiter
30
Complete the Campaign on Heroic Difficulty
Everything's Better with Bacon
5
Mission 1: Ram 50 Grunts with Warthogs
Titan
15
Get 20,000 points in any Skirmish Game
Halo Historian
40
Unlock All Timeline Events
Mr. Punctual
15
Finish all missions under Par Time on Heroic difficulty
Officer on Deck
30
Obtain the Lieutenant Rank on Xbox LIVE
Ready for the Sequel
75
100% Completion
Detour the Great Journey
50
Complete the Campaign on Legendary Difficulty
Freak on a Streak
20
Gain at least 15 population from a single wave in a Reinforcement game.
One and Done
30
Score the winning point in a game of Keepaway against Legendary AIs.
Never Leave a Man Behind
15
Finish with 5000 net resources tributed to your teammates on Memorial Basin except in Deathmatch.
Pull Hard, Pull Deep
20
Win and never trail in a Tug of War game.
Living Loving Bug
30
Get a Scarab during a Reinforcement game.
Tour Coming Through
30
Hot drop 50 squads to your Covenant Leader in a single game on Barrens.
Drain Cleaner
30
Kill 20 enemy squads with a continuous Covenant Leader Power on Memorial Basin.
Killjoy
25
Disrupt 5 active Leader Powers in a single game on Blood River.
Running the Show
50
Obtain the General Rank on Xbox LIVE