Iron Dog Studio


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About Megaways Jack

Megaways Jack is a fantastic fairytale-themed 6 reel casino game from the innovative minds of Iron Dog Studio, with interchangeable reels that offer the chance to land up to 7 symbols across up to 117,649 possible paylines on every spin. Adding weight to 21.co.uk’s title of the best UK casino online and our ever-expanding selection of Megaways slots, Iron Dog has developed this online casino addition hot off the back of the swift emergence of Megaways-style slot machines. Complete with a brilliantly recognisable theme that plays upon the classic children’s folk tale Jack and the Beanstalk, some fantastic casino bonus features and a plethora of payout potential, this slot is bound to appeal to many a player here at 21.co.uk.

Despite being a newer developer on the scene, Iron Dog Studio is already swiftly on their way to building a solid reputation for creating fabulous bonus-filled slot games that are packed with possibilities - Megaways Jack is no exception, offering up 3 incredible features, a hearty number of paylines and potential payouts of up to 25,000x your stake for you to discover.

Spin your way up the beanstalk to find golden harps, magic beans, multipliers and more in Iron Dog’s Megaways Jack at 21.co.uk.

How To Play Megaways Jack


Setting your stake in Megaways Jack is simple. Bearing your bankroll in mind, select a suitable bet amount by using the (+) and (-) buttons to toggle through the available values. This will be deducted from your balance each time you spin so make sure you choose the most suitable wager for you, however, if you change your mind you can change your stake amount after any spin.


Once you’re happy with your wager and you’re ready to play, press the Spin button to start the game and spin the reels. The symbols will land in random order and any winning combinations will be highlighted at the end of each cascade.

Megaways Jack Special Features

Harp Symbol

The iconic golden harp symbol can pose a number of different outcomes for players to discover, such as awarding 4 extra wilds, 5x win multipliers, shifting players up to 3 positions up the beanstalk and a single re-spin whilst retaining your spot on the beanstalk. Additionally, should the harp symbol appear throughout the Free Spins feature it could also award 4 extra free games and a +3 increase of the attached win multiplier.

Magic Beans

Collect magic beans as you spin through the base game of Megaways Jack to advance up the beanstalks and towards the prize that lies at the top, with each magic beans symbol that lands awarding between 1 to 3 steps up the stalk.

Free Spins

The Free Spins feature is triggered once you’ve climbed at least 8 leaves of the beanstalk, with the chance of landing up to 12 free spins with an attached multiplier of x3 the higher up the beanstalk you climb.

21.co.uk Review

Megaways Jack offers 21.co.uk players plenty of golden opportunities to score some potentially valuable wins in this fantastic Megaways slot instalment. Spin through the fairytale-inspired features collecting magic beans and evading the angry giant that guards the reels as you attempt to climb the beanstalk in search of wins of up to 25,000x.

Take Time to Think | BeGambleAware.org | 18+

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