Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock	Points
Absolute Power	Collected fourty shot power-ups in total.	200
Annihilator	Defeated 350 enemies in total.	200
Breaking the Atmosphere	Completed level 15.	30
By a Thread	Accumulated more than 50,000 points in total.	30
Firepower	Collected fifteen shot power-ups in total.	30
First Blood	Defeated 100 enemies in total.	30
First of Many	Completed level 1.	20
Flying Ace	Defeated 300 enemies in total.	30
Full Arsenal	Collected thirty bullets in total.	90
Gaining Altitude	Completed level 5.	20
High Score	Accumulated more than 50,000 points in total.	50
Immortal	Collected thirty hearts in total.	90
Iron Heart	Collected fifteen hearts in total.	90
Lead Rain	Collected fifteen bullets in total.	30
Mass Destruction	Collected thirty shot power-ups in total.	90
Minimalist	Completed a level without collecting any items.	90
Near the End	Completed level 17.	200
Pushing Limits	Accumulated more than 60,000 points in total.	200
Sector Clear	Defeated 200 enemies in total.	20
Space Veteran	Completed level 10.	30
Steady Pulse	Collected fourty hearts in total.	200
Test Pilot	Completed levels using at least three different ships.	90
Untouchable	Completed a level from level 5 onward without taking damage.	30
Winged Pilot	Collected thirty wings in total.	90
Wings of Victory	Collected fifteen wings in total.	20