deskgameIGT‘s Double Diamond (98%) is a higher-than-average RTP slot that I enjoyed. It has one payline with 27 different ways to win, plus a multiplier. Double Diamond is a progressive jackpot slot, which means the grand prize increases each time it’s not won. It is tied with Blood Suckers, another progressive jackpot slot, as the best RTP slot at Caesars Palace Online Casino.
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