Get some mud on your hands.

While driving home from work, you fall into a hole in the road and wake up in a mysterious underground society full of Fast Packers – colorful yet hostile individuals who live for the thrill of racing. To earn your freedom and escape, you must prove yourself by ascending their ranks and become a racing legend. Engage in high-speed, high-stakes dirt racing where reckless driving is the name of the game. Build and customize vehicles to suit your style, and put them to the test on dozens of racetrack, making use of weapons and shortcuts to secure the victory. Explore the Underground and visit facilities to upgrade your cars and race shop, and maybe make a few friends off the track to build your fanbase. Win enough races to challenge the Ringleaders – expert drivers of the Underground whose defeat will earn you a great deal of respected among Packers. Try not to get killed along the way – the Underground is not a friendly place.