Halo Wars achievements

7.81%

Adjudicate the Arbiter

Completed the Campaign on Heroic Difficulty

8.12%

Wall of Recognition

Got a Gold Medal on every Campaign Mission

8.42%

Own Worst Enemy

Got a Gold Medal with all Debuff Skulls Active

8.88%

Titan

Got 20,000 points in any Skirmish Game

8.88%

Halo Historian

Unlocked All Timeline Events

9.04%

Everything's Better with Bacon

Mission 1: Rammed 50 Grunts with Warthogs

10.26%

Micro Manager

Mission 7: Did not destroy any Power Node

10.72%

OMG BFF FTW

Completed entire Campaign in Co-op Mode

11.18%

Graverobber

Collected all Skulls

11.33%

Officer on Deck

Obtained the Lieutenant Rank on Xbox LIVE

12.40%

Gallivant around the Galaxy

Won a game on every Skirmish Map

12.86%

Penny Pincher

Got a winning High Score with 10 or less Squads against the Heroic AI