A game that I'm currently playing... perfect for times when I
want mindless fun. 
From IGN:
Need for Speed Carbon delivers the next generation of
adrenaline-filled street racing as players face the ultimate test
of driving skill on treacherous canyon roads. What starts in the
city is settled in the canyons as Need for Speed Carbon immerses
you into the world's most dangerous and adrenaline-filled form of
street racing.
You and your crew must race in an all-out war for the city, risking
everything to take over your rivals' neighborhoods one block at a
time. As the police turn up the heat, the battle ultimately shifts
to Carbon Canyon, where territories and reputations can be lost on
every perilous curve.
Need for Speed Carbon delivers the next generation of customization
giving you the power to design and tweak your crew's cars in every
way using the ground-breaking new Autosculpt technology. Represent
your car class, your crew, and your turf in Need for Speed Carbon,
the next revolution in racing games.
