In such racing games you can upgrade to various vehicles like cars and bikes by clearing out different levels with good scores. Games have evolved over the age's right from outdoor games to indoor games.
No life form can maintain its physical body without a continual supply of Life Force Energy. (Unfortunately, this information is not made clear on the website until a registrant orders a DNA swab kit and is presented with a 6-page contract to sign.

What is Pligg?
Pligg is an open source content management system that lets you easily create your own user-powered website.