. Join slots casino at Parimatch ☝ Access the most thrilling slots and other casino games ☝ Win huge jackpot at Parimatch! Try and win at Cleo's Book by Parimatch! Get the best online slots experience here! Cleo's Book by Parimatch. Cleo's Book by Parimatch. Cleo's Secrets is a 6-reel, line online slot game with bonus round, bonus spins, instant play, autoplay, video slots, multiplier, wild symbol.