MotorStorm rolls out, over 6 million copies
The MotorStorm franchise, which includes five games across PS2, PS3, PSP and Vita, has sold more than 6 million units, Sony XDev Studio Europe's Pete Smith said at GDC Europe on August 13. Smith gave a talk discussing tips of pitching to publishers, citing MotorStorm's Evolution Studios as an example of a team with a clear focus and solid marketing technique.

The latest MotorStorm installment, MotorStorm RC, launched on PS3 and Vita in March.

This article was originally published on Joystiq.