Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock	Points
1st KEY	You pickup 1st key.	90
1st step	This planet seems inhabited.	90
Boss 1 Complete	You win D1T1.	90
Boss 2 Complete	You win ARFLICT.	90
Boss 3 Complete	You win ER1T3K.	90
Bronze killer	You kill 50 enemies.	90
Drone V1	Drone upgraded to v1.	90
Gold killer	You kill 350 enemies.	100
Let it snow	Another planet, but very cold.	90
Silver killer	You kill 150 enemies.	90
Space Stations	Space stations are very confusing.	90