Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock	Points
3 stars	Get 3 stars at one level.	100
Big haul	Earn 1000 points.	100
Birder	Kill 2 birds.	100
Butcher III	Kill 600 zombies.	200
Butcher II	Kill 400 zombies.	200
Butcher IV	Kill 800 zombies.	200
Butcher I	Kill 200 zombies.	200
Butcher V	Kill 1000 zombies.	200
Car tuning	Paint a car.	100
First steps	Complete tutorial.	100
Flip master	Make 3 front flips.	100
Full set	Fully upgrade your car.	100
Jack Flash	Find in the game levels.	200
Joe	Find in the game levels.	200
Lighter	Find in the game levels.	200
Master!	Earn 2500 points.	100
Short Fuse Alex	Find in the game levels.	200
Stonewall	Find in the game levels.	200
Stuntman	Make 3 back flips.	100
Supervisor Jameson	Find in the game levels.	200
The All-In	Find in the game levels.	200
The Carcass	Find in the game levels.	200
The Confetti	Find in the game levels.	200
The Delinquents	Find in the game levels.	200
The Hangover	Find in the game levels.	200
The Talk	Find in the game levels.	200
The Taxman	Find in the game levels.	200
Tommy Kong	Find in the game levels.	200
Vandal	Die 6 times.	100
You-Go Girl	Find in the game levels.	200