Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock	Points
Alien Virus	Alien Virus defeated.	10
All-ears Probe	All-ears Probe defeated.	10
All-seeing eye	All-seeing eye defeated.	10
Bio-Mechanic Bee	Bio-Mechanic Bee defeated.	10
Buchu cannon	Buchu cannon defeated.	10
Buttefly	Butterfly defeated.	10
Cockroach	Cockroach defeated.	10
Complete a level with less than 5% health	Complete a level so that less than 5% of total health remains.	50
Dragonfly	Dragonfly defeated.	10
Dragon	Dragon killed!	50
Flying Saucer	Defeated Flying Saucer.	10
Fly	Fly defeated.	10
Force Field Attractor	Force Field Attractor defeated.	10
Force Field Repeller	Force Field Repeller defeated!	10
Galactic flytrap	Galactic flytrap defeated.	10
Kill 2000 aliens	2000 aliens killed.	50
Kill 500 aliens	500 aliens killed.	25
Ladybug	Defeated ladybug!	10
Loot Pot	Loot Pot opened.	10
Mars Probe	Mars Probe defeated!	10
Max out a ship	Maxed out a ship!	50
Max out a weapon	Maxed out a weapon!	50
Missile cannon	Missile cannon defeated.	10
Narwhal Probe	Narwhal Probe defeated.	10
Own 10 weapons	10 weapons owned.	75
Own 2 ships	Acquire another ship.	50
Own 3 ships	Acquire a total of 3 ships.	50
Own 5 weapons	5 weapons owned.	50
Pattern Drone	Defeated Pattern Drone!	10
Plasma cannon	Plasma cannon defeated.	10
Postal Mech	Postal Mech defeated!	50
Reach a boss level in arcade mode	Play arcade mode and reach the final level.	70
Space worm	Space worm defeated.	10
Stanford Probe	Stanford Probe defeated.	10
Stealth Probe	Stealth Probe defeated.	10
Steampunk Battle Pattern Drone	Steampunk Battle Pattern Drone defeated.	10
Steampunk Surveillance Pattern Drone	Steampunk Surveillance Pattern Drone defeated.	10
Target Probe	Target Probe defeated.	10
The Dark Lord	The Dark Lord Defeated!	50
Tutorial	Tutorial completed.	10
Virus	Deadly virus destroyed, galaxy saved.	50
W.A.S.P	W.A.S.P defeated.	10