Free hour casinos.

One of the newest kind of free casino bonus promotions. Quickly become very popular and highly appreciated by online gambling community. This type of casino bonuses offers mostly by microgaming casino operators, which was the first who starts this promos. The main idea of this promo are no deposit bonus which player receives after the registration and 1 hour of play time. During this time, players can play for real with this bonus and after the time ends, if they wins something over the bonus amount - it can be transfered to the real casino account.