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