Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock
Better Together (15 )	Complete a chapter of a story with another player.
Journey Begun (10 )	Complete a story chapter successfully.
New Story Wheels (40 )	Complete all of a story's chapters with a different tank.
Special Guest Star! (10 )	Complete a chapter of a story with a different tier X tank.
Story Master (50 )	Complete all chapters of four stories successfully.
Story Teller (25 )	Complete all chapters of a story successfully.