Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock	Points
Hunter III	Kill 1000 enemies.	100
Hunter II	Kill 500 enemies.	50
Hunter I	Kill 100 enemies.	20
Protector III	Beat fifteen bosses in total.	100
Protector II	Beat ten bosses in total.	50
Protector I	Beat five bosses in total.	20
Pusher III	Collect 50 power-ups.	100
Pusher II	Collect 25 power-ups.	50
Pusher I	Collect 10 power-ups.	20
Scorer II	Score 500,000 points or higher in endless mode.	100
Scorer I	Score 500,000 points or higher in story mode on any difficulty.	100
Traveler III	Clear stage 3.	50
Traveler II	Clear stage 2.	50
Traveler IV	Clear stage 4.	70
Traveler I	Clear stage 1.	20
Traveler V	Complete story mode.	100