Play Monster Disco XtraHold at HelloMillions, and enjoy a high volatility slot game by Swintt. GamesandCasino is a comprehensive online gambling guide filled to the brim with new and reputable online casinos, slot game reviews, bonus offers and much. A resourceful game guide outlining rules and. Bodog Casino offers an inviting plus games including a fully launched division for Sports, Poker and Horses. . GamesandCasino is a comprehensive online gambling guide filled to the brim with new and reputable online casinos, slot game reviews, bonus offers and much. Return to player. Try Monster Disco XtraHold slot online for free in demo mode with no download or no registration required. %. Monster Disco XtraHold offers % return, High dispersion and x win potential, max win. Game Type. With a quite balanced math and the possibility.