Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
Above and beyond ( 30 points )	Achieve Gold Rating in Assault on the 87th Precinct.
Contender ( 25 points )	Get 350,000 points in a single play session of Riot Control.
Dedication to the cause ( 40 points )	Get 5,000,000 points total over multiple play sessions of Riot Control.
GAC in time for dinner ( 20 points )	Achieve maximum Clear Time Bonus in Assault on the 87th Precinct.
Hot head ( 40 points )	Score 500,000 points in Retribution Mode over multiple play sessions of Riot Control.
Jack Slate of all trades ( 15 points )	Get 15 unique awards in one round in Riot Control.
Marking your territory ( 5 points )	Upload a Riot Control score to the leaderboard.
Retribution Master ( 40 points )	Score 250,000 points from Retribution Bonus over multiple play sessions of Riot Control.
You hear that? We're official... ( 10 points )	Complete Assault on the 87th Precinct.