Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock	Points
1K	Defeat a total of 1000 enemies.	90
2K	Defeat a total of 2000 enemies.	100
EXTERMINATOR	Survive three waves.	90
FIRST ITEM	Buy an item card.	90
FIRST SKILL	Buy a skill card.	90
FIRST WAVE	Survive one wave.	90
IMMORTAL	Survive five waves.	90
MISSION COMPLETE	Complete one mission.	90
MISSION TREE	Complete an entire mission tree.	90
NEW ROBOT	Unlock a new robot.	90
SHUFFLE	Reroll the cards.	90