Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock
Arcade Apprentice (15 points)	Complete an arcade run.
Art Aficionado (90 points)	Unlock every item in the gallery.
Cordial Commander (15 points)	Win a skirmish game.
Creative Cartographer (15 points)	Create a custom map.
Diligent Downloader (15 points)	Play a downloaded map.
Grand Groover (30 points)	Use every Groove once.
Gregarious Groover (15 points)	Use a Groove.
Joystick Jostler (90 points)	Complete all arcade runs.
Puzzle Practitioner (15 points)	Complete a puzzle.
Puzzle Professor (90 points)	Complete all puzzles.
Quarter Queen (30 points)	Complete an arcade run in hard difficulty.
Revenant of Regicide (15 points)	Complete the prologue.
Super Strategist (90 points)	Obtain an S Rank on every campaign mission.
Twinkling Tactician (100 points)	Collect 200 stars.
Worldly Warrior (15 points)	Win an online match in Quick Play.