Terms and Conditions Apply. The sign-up bonus essentially allows you to. Only 18+ new users registered using the “MB20” bonus code are eligible. Our extensive guide to the best free bets and betting offers for February includes details of more than £ in free bets and bonuses. dragon bet allows the casino to get twice as much money wagered on the table bonus. Players can place their initial bet with this bonus, giving punters a warm welcome to the DragonBet site. Although there is no long-term welcome bonus, Dragon Bet has offered free bets to new customers in the past and may do so again in the future. As a new player, you are welcomed with a generous offer designed to give you a head start in your betting journey. You must make a qualifying bet of minimum odds within 14 days of registration to. This may be automatically entered for you on the registration form but if not. Although this is most often a deposit free bet, it is. . The Dragonbet promo code to claim the free bet welcome offer is 'bet15get10'. I am describing this side bet because I have an unusual story to tell. Wager £+ on selected slots and get 50 FREE SPINS, every week! Play Now.