Complete list of Halo Wars achievement list!

Here is the list.

AchievementsGamerscoreAdjudicate the Arbiter
Complete the Campaign on Heroic Difficulty30
Detour the Great Journey
Complete the Campaign on Legendary Difficulty50
Momma's Boy
Get a Gold Medal on any mission5
Crushed Colors
Improve your Score in any Campaign Mission10
Mr. Punctual
Finish all missions under Par Time on Heroic difficulty15
Own Worst Enemy
Get a Gold Medal with all Debuff Skulls Active20
Wall of Recognition
Get a Gold Medal on every Campaign Mission30
Epic Grinder
Obtain a Lifetime Campaign Score over 1,000,00040
Everything's Better with Bacon
Mission 1: Ram 50 Grunts with Warthogs5
Endless Fun
Mission 2: Destroy every Methane Tank5
Covenant "Hot Drop"
Mission 3: Kill at least 5 Covenant Units with the Bridge5
The Real Winner
Mission 4: Save Adam5
He's Got The Jack
Mission 5: Jack 6 Covenant Vehicles5
Rhino Hugger
Mission 6: Successfully protect every Rhino5
Micro Manager
Mission 7: Do not destroy any Power Node5
Ramblin' Man
Mission 8: Use Elephants to train 100 Infantry5
Sweet Naptime
Mission 9: Put every Colony in Hibernation Mode at the same time5
The Procrastinator
Mission 10: Disrupt all Tractor Beams5
Battened Down the Hatches
Mission 11: Save all the Airlocks5
Handy with Tools
Mission 12: Repair the Power Core in less than 4 minutes5
Beaming with Pride
Mission 13: Destroy 25 units with the Scarab5
Didn't Get To Second Base
Mission 14: Don't claim an extra base5
Thinkin' about My Doorbell
Mission 15: Open the Doors in order5
Backscratcher
Complete any Campaign Mission in Co-op Mode10
OMG BFF FTW
Complete entire Campaign in Co-op Mode40
Playin' the Field
Win a Skirmish Game with every Leader15
Gallivant around the Galaxy
Win a game on every Skirmish Map25
Empire Builder
Win a game in every Skirmish Game Mode5
Titan
Get 20,000 points in any Skirmish Game15
Big Al's Scooter
Win a Heroic Skirmish Game against the AI in under 10 minutes10
My Virtual Friends Love Me
Win a 3v3 Skirmish game with 2 AI Allies10
Walk-Off Winner
Use one of the 6 Major Leader Powers to destroy an enemy's last unit30
2 Bugs are Better Than 1
Win a Skirmish Game with Dual Scarabs10
Penny Pincher
Get a winning High Score with 10 or less Squads against the Heroic AI10
N00b n0 M0r3
Win a Matchmade Skirmish Game on Xbox LIVE10
So Lonely at the Top
Win and have the Highest Score in a Matchmade Skirmish Game on Xbox LIVE20
Basically Naive
Obtain the Recruit Rank on Xbox LIVE10
Officer on Deck
Obtain the Lieutenant Rank on Xbox LIVE30
Running the Show
Obtain the General Rank on Xbox LIVE50
Alas, Poor Andrew Thomas
Collect your first Skull5
Graverobber
Collect all Skulls30
Halo Academic
Unlock 20 Timeline Events15
Halo Historian
Unlock All Timeline Events40
Ready for the Sequel
100% Completion75
24 Hours of Quality
Play Halo Wars for at least 24 Total Hours20
Secret Achievement
Continue playing to unlock this secret achievement.10
Secret Achievement
Continue playing to unlock this secret achievement.40
Secret Achievement
Continue playing to unlock this secret achievement.50
Secret Achievement
Continue playing to unlock this secret achievement.70
Secret Achievement
Continue playing to unlock this secret achievement.70