Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock	Points
Armorer	Fully upgrade 200 towers.	100
Builder	Build 50 towers.	50
Invulnerable	omplete all levels with three stars.	100
Lucker	Finish the level with 1hp.	100
Secret weapon	Kill 500 enemies with the secret weapon.	50
Stingy Warrior	Get 100 000 coins.	100
Technician	Build 1000 towers.	100
Trader Assistant	Sell 50 towers.	50
Trader	Sell 500 towers.	100
Unstoppable	Launch 100 waves on one map manually.	100
Warlord	Kill 50 000 enemies.	100
Warrior	Kill 1000 enemies.	50