Listing of online casinos giving players free casino credits with no deposit needed. The casinos are powered by Microgaming, Real Time Gaming and Rival. Online casinos give players free casino credits to allow the player a chance to try out the casino games prior to making a purchase. These free casinos do limit these free casino credit promotions to one member per household. By not following the rules you may be subject to having your account closed and not paid by the casino.