Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock	Points
Destroyer 10	You destroyed 10 enemies.	100
Destroyer 33	You destroyed 33 enemies, good job!	100
Destroyer 77	You destroyed 77 enemies.	100
First purchase	Make a first purchase.	100
Gun liker	First step on a path of a true gunslinger.	100
Random event!	You survived random event, fortune is on your side!	100
Survivor 10	You survived 10 waves, awesome!	100
Swimmer	Hold your breath!	100
Sword fighter	You are now a decent sword fighter.	100
Treader	You defeated the Treader, you are now a true gladiator!	100