Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock	Points
Big Collector III	Collect 32 upgrades.	100
Big Collector II	Collect eighteen upgrades.	50
Big Collector I	Collect six upgrades.	20
Coin Hunter III	Collect 2,000 coins.	100
Coin Hunter II	Collect 500 coins.	50
Coin Hunter I	Collect hundred coins.	20
Foe Hitter III	Kill 500 foes.	90
Foe Hitter II	Kill hundred foes.	40
Foe Hitter I	Kill ten foes.	20
Hell Watchdog III	Reach hell 12.	100
Hell Watchdog II	Reach hell 6.	50
Hell Watchdog I	Reach hell 3.	20
Score Runner III	Reach a score of 50,000.	100
Score Runner II	Reach a score of 10,000.	50
Score Runner I	Reach a score of 5,000.	20
Shield Killer III	Kill 64 foes with your shield.	100
Shield Killer II	Kill 32 foes with your shield.	50
Shield Killer I	Kill 12 foes with your shield.	20