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seri 777 slotComparison of Crazy 777 slot with other slot machines. Sort by: Similar RTP. Sort by: Similar RTP. Similar RTP A-Z Z-A Popular New . Filter. Clean all. Filters: Clean all. RTP.This slot by Crazy Tooth Studio makes things interesting by combining the Irish theme with the classical 777 theme, plus an unusual layout consisting of a 4-reel, 7-row grid