More info here, but it is unplayable until you purchase it. Who is going to be the first tester from here at SOH, won't be me, have been in some beta versions of sims before, too much work,lol
http://www.virtualr.net/rfactor-2-content-distribution-started
They do say if you are not satisfied with the beta, you can get your money back.
http://www.virtualr.net/rfactor-2-content-distribution-started
They do say if you are not satisfied with the beta, you can get your money back.