. Overall Rating. From June , we added 79 new and upcoming slot demos from 54 different game providers. Check out the full list below. Max bet $, €, £: Layout: Betways: Features. Diamond Quest by PopOK Gaming ⚡️ Try The Free Demo Game and Get bet in the basic game. The company. / The Diamond Quest slot. PopOK Gaming's product manager explains how the company is preparing for ICE London and what are its biggest challenges for this year. This time we present a review of the Diamond Phantom fruit slot from Popok Gaming. Diamond Flash, 20 Hot Bar, Huga Chaga, as well as their renowned Fruit Roulette live games like Diamond Fruits and Multi Fruit.