Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
Angry (15 points)	Kill 100 enemies during your Time Rewind Berserk buff.
Annihilation Kill (30 points)	Kill 10 enemies at once.
Brutal Kill (15 points)	Kill 5 enemies at once.
Collector (30 points)	Find all notes.
Curious (15 points)	Find half of the notes.
Double Attack (15 points)	Kill 25 heavy enemies using the Time Rewind double attack.
Experienced (10 points)	Play 5 Outbreak matches.
Famous Hunter (15 points)	Kill 1000 enemies in total.
Faster Than You! (15 points)	Use Counterattack 100 times.
Grasshopper (15 points)	Use Dash 30 times without touching the ground.
I'm Rich (15 points)	Find all the chests in story mode on the Normal difficulty level.
Out of My Way (15 points)	Kill an enemy player in Outbreak match.
Outbreak Hero (30 points)	Kill each Outbreak boss at least once.
Rain of Bullets (15 points)	Shoot off Magic Armor from 50 enemies using Time Rewind clones.
Ready To Fight (15 points)	Find all types of equipment.
Too Hot For You (15 points)	Kill Brutal Maul without being frozen by his shockwave.
Treasure Hunter (30 points)	Find all the chests in story mode on the Hard difficulty level.
Unstoppable (15 points)	Win any Outbreak match.