Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock	Points
Ain't funny!	Kill a "clown" zombie.	40
Burning the house!	Kill a "firefighter" zombie.	40
No more parking tickets!	Kill a "police officer" zombie.	40
The Banker III	Reach a score of 15,000.	80
The Banker II	Reach a score of 10,000.	40
The Banker I	Reach a score of 5,000.	20
The Collector III	Collect twelve bottles.	80
The Collector II	Collect six bottles.	40
The Collector I	Collect one bottle.	20
The Destroyer III	Find five weapons.	80
The Destroyer II	Find two weapons.	40
The Destroyer I	Find one weapon.	20
The Leveler III	Complete level 5.	80
The Leveler II	Complete level 3.	40
The Leveler I	Complete level 1.	20
The Puncher III	Beat 64 enemies.	80
The Puncher II	Beat 32 enemies.	40
The Puncher I	Beat twelve enemies.	20
The Slipper III	Let twenty opponents slip.	80
The Slipper II	Let ten opponents slip.	40
The Slipper I	Let one opponent slip.	20
Yummy!	Kill a "hotdog" zombie.	40