Read our review of SponsioBet Casino, its complaints and more. Sponsio Bet sister sites include Slotavia, Casino 77, Royal Zee, Maple Bet, Slots Lobby and more. Sponsio Bet ([HOST]) is operated by ProgressPlay. SponsioBet is a new online gambling service that was only founded in It offers many different gambling products, including virtual casino. It is available in three different. Sponsio Bet sister sites include Slotavia, Casino 77, Royal Zee, Maple Bet, Slots Lobby and more. Free bet - one-time stake of $10, min odds , stake not returned. BetMGM Casino $25 No Deposit Bonus. 1X wager the winnings. The SponsioBet bonus codes and the Casino Bonus codes all have different validity. New Players Only. Bookmakers. SponsioBet is a new online gambling service that was only founded in It offers many different gambling products, including virtual casino. Find out why we find it questionable and whether it's safe to play in. 5. 1X wager the winnings. Min $10 qualifying bets, stake not returned. Find out why we find it questionable and whether it's safe to play in. Sponsiobet Casino is an online casino that offers various games, live dealer You can place bets on your favorite sports or play games such as blackjack. Read our review of SponsioBet Casino, its complaints and more. SponsioBet is a gambling website that allows its customers to play in the sportsbook or on casino games. New Players Only. Min $10 qualifying bets, stake not returned. Sponsio Bet ([HOST]) is operated by ProgressPlay. . Free bet - one-time stake of $10, min odds , stake not returned.