Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
Ferrari Fan (20 points)	Earn a Medal in 14 different Ferraris.
Ford Champion (20 points)	Earn a Medal in 13 different Fords.
Forza Legend (80 points)	Earn a Medal in 146 different cars.
It's Just Money (20 points)	Earn a Medal in 14 different cars worth at least 1 million Credits.
Lamborghini Lover (20 points)	Earn a Medal in 8 different Lamborghinis.
My First Challenge (10 points)	Earn your first Medal.
Nissan Ninja (20 points)	Earn a Medal in 7 different Nissans.
Sir Challenge-a-Lot (20 points)	Earn a Medal in 20 different British cars.
Snake Charmer (20 points)	Earn a Medal in 3 different Shelbys.
Well Engineered (20 points)	Earn a Medal in 10 different BMWs.