Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock	Points
Battleship	Destroy 1000 battleship enemies	25
Blue Enemy	Destroy 10,000 blue enemies	25
Boss	Destroy 1000 boss enemies	25
Destroyer	Destroy 1000 destroyer enemies	25
Earned Masters	Pay off a Masters degree education	25
Glory Hound	Attempt 25 high scores	25
Good Student	Pay off any education with all four electives equipped	25
Green Enemy	Destroy 10,000 green enemies	25
Hoarder	Pay off any education with only one payment	25
Interest	Earn $100,000 in interest	50
Millionaire	Pay $1,000,000 on education loans	50
Multi-Killer	Get 1000 multi-kills in Valhalla	25
On Fire	Get a 10x kill streak in Valhalla	25
Original Equipment	Pay off any education using only the original equipment	25
Purple Enemy	Destroy 10,000 purple enemies	25
Smelter	Melt down 5000 items	25
Special	Destroy 1000 special enemies	25
Tuner	Upgrade 5000 items	25
Unlock Skadi	Unlock the Skadi ship	100
Unlock Surt	Unlock the Surt ship	150
Unlock Tyr	Unlock the Tyr ship	200
Unstoppable	Get a 25x kill streak in Valhalla	25
Yellow Enemy	Destroy 10,000 yellow enemies	25