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