These include bright red berries, watermelons, lemons, grapes. Jumbo Joker slot has a variety of different bonuses and extra spins. 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. These awards. Show me Bonuses. 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 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. Jumbo Joker is a double 3-reeled slot with 5 paylines featuring traditional slot machine symbols. For instance, the gambler that sees 3 Jokers on the field gets Mystery Prizes.