This is Book of Demi Gods IV – The Golden Era slot, released on 02/05/ and it once again takes you to the fantastic world of the Greek Gods! Let's find out as we review Book of Demi Gods IV Thunderstorm and see how good this slot is! Software: Spinomenal. 22 July Spinomenal to pre-release its. As for the stage 4, it will last from May 24 to June 1. Spinomenal will be providing its portfolio of casino games that stars Demi Gods II, Wolf Fang, Queen of Fire and Majestic King. The participants will have to do spins on: Book Of Demi Gods II;; Majestic King. Release Date: Demi Gods IV is a 6-reel, line online slot game with bonus round, bonus spins, instant play, autoplay, video slots, multiplier, wild symbol. Play the Hacksaw Gaming slot Plinko in play for fun mode, read our review, leave a rating and discover the best deposit bonuses, free spins offers and no. Spinomenal's Bulgarian expansion. 24 August Spinomenal reveals ancient Aztec New Release- Demi Gods 4 on 1XBet. . New Release – Book Of Tribes.