Free play bonus at RiverBelle online casino. You will receive 20 minutes to win as much as you can with this free online casino promotion. RiverBelle is one of the best online casino’s with more winnings, large progressive jackpots and extensive casino game list. The free online casino bonus is for new player who sign up and play under a real account. You will be required to download the online casino software and when you log in you can click on the ” begin free play ” to start your 20 minute mania.