First, register at Interbet. InterBet casino bonus codes. When. Find best and newest welcome bonuses, no deposit bonuses, and free spins in December on Casino. . In order to be eligible. Interbet Casino bonus: % up to $ This deposit bonus from Interbet Casino awards players with bonus funds worth % of their. · The maximum bonus you can receive is R5, · Only customers. Every Sunday, you can claim a 20% bonus up to $/€/£ at Interbet. ; The 50% Deposit Match Bonus will be added to your Interbet account within Promotions, rewards and bonuses on InterBet include R40 First Deposit Match Bonus (Welcome Bonus), Bonus Booster, Buddy Bonus and. If you have an active Interbet account, we will match your first deposit between 12 and 14 February up to the value of R Bets. · Bonuses are valid. You have to use the bonus code SUN when you send the payment, and. The % deposit bonus is only available on your first Interbet deposit. Inter Bet Casino offers a welcome bonus of up to £1, plus free spins for new players. This simple promotion allows players to claim 10 extra free spins providing they deposit €10 or more on Saturday. InterBet Welcome Casino Bonus - % Up To €/£/$ · Wagering terms for the InterBet Welcome Casino Bonus are 50x. ; Make your first deposit.