Jumbo Joker is a double 3-reeled slot with 5 paylines featuring traditional slot machine symbols. No information is available for this page. . These awards. A list of the latest no deposit bonus codes updated daily from the popular casinos with regular offers for new and existing casino members. No information is available for this page. These include bright red berries, watermelons, lemons, grapes. For instance, the gambler that sees 3 Jokers on the field gets Mystery Prizes. Show me Bonuses. Jumbo Joker is a double 3-reeled slot with 5 paylines featuring traditional slot machine symbols. These awards. These include bright red berries, watermelons, lemons, grapes. For instance, the gambler that sees 3 Jokers on the field gets Mystery Prizes. Jumbo Joker slot has a variety of different bonuses and extra spins. Jumbo Joker slot has a variety of different bonuses and extra spins.