When. COINS displays the number of coins the player has available to wager. MAX BET starts a game round at the highest bet. MAX BET plays the game at the highest bet level and the current coin value. Merlin's Magic Mirror · The Great Wall · Disco Double · Merlin's Revenge Megaways Sportingbet · Blast Off Bingo · LeoVegas. COINS displays the number of coins available to wager. . With extensive experience and a portfolio of over games, premium online casino software developer iSoftBet is at the vanguard of games innovation. The.