Complete the following achievements to unlock Microsoft Gamerscore points.

Achievement	How to unlock
A Special Package (20 points)	Complete the "Japanese Incentive" Act 1.
Bushido (30 points)	Hit 3 times with a single Rose Petals Katana attack.
Deadly Little Mikoto (20 points)	Complete the "Japanese Incentive" Act 2.
Firebug (30 points)	Set 5 enemies on fire with a Flamethrower in a single turn.
Gangster's Paradise (10 points)	Have a fully upgraded Hideout.
Home Turf (30 points)	Defeat a rival gang within 10 minutes.
Hot Rod (10 points)	Have 6 gang members with sports cars.
I'mma let you finish (30 points)	Interrupt and hit 3 different enemies with a Machine Gun in the same battle.
Paradise Lost (50 points)	Complete the "Japanese Incentive" Act 4.
Vendetta (20 points)	Complete the "Japanese Incentive" Act 3.