New Humble Bundle featuring racing video games

Starts at $6 for five games (I think they're standalone games):

Speed demons and Evel Knievels everywhere, we’ve got just the bundle for you! We’re partnering with Nacon for a collection of the publisher’s most high-octane racing simulator games that will launch you behind the wheel of the world’s fastest cars and most challenging courses, vetted by real-life professional drivers. Take a trip through the racing courses of past and present with WRC 10! Hop aboard your fastest bike and speed through over 200km of open-road in TT Isle of Man: Ride on the Edge 3! Test your mettle in the hyper-realistic rally simulation tracks of WRC Generations! If you’re always searching for the highest gear and living life in the fast lane, grab this bundle while you can and support SpecialEffect charity with your purchase!