Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock	Points
Blitzkrieg	Hit 8 friendly units with the haste spell	50
Booster Shot	Kill a tower with a full power trebuchet shot	50
Cows Go Moo When They Boom	Change a cow into a mad cow	50
Deconstruction	Destroy a tower with a building projectile	50
Full Speed Ahead	Crash air units into each other	100
Gibbed	Destroy 10 units with a single keg	100
Got Milk?	Catch a cow with a dragon	100
Lockdown	Chain 4 Towers with a single Hex Curse	100
SAM Site	Shoot down an air unit with a keg	100
Spiteful Last Words	As a tower is being destroyed, fire a projectile and destroy an enemy tower	100
Too Many Eggs In This Basket	Get 5 tower kills by destroying the tower it is linked to	100
Winter War	Hit 10 enemy units with the freeze spell	100