New Players Only. Wagering occurs from real balance first. 50X wagering the bonus. Contribution may vary per game. Available on selected games only. The wagering requirement is calculated on bonus bets only. Bonus is valid for 30 Days from issue. Max conversion: 3 times the bonus amount. Excluded Skrill deposits. Terms & Conditions Apply #AD
Up to £300 + Free Spins
Terms >
New Players Only. Wagering occurs from real balance first. 50X wagering the bonus. Contribution may vary per game. Available on selected games only. The wagering requirement is calculated on bonus bets only. Bonus is valid for 30 Days from issue. Max conversion: 3 times the bonus amount. Excluded Skrill deposits. Terms & Conditions Apply #AD
Intro to Grand Master Jack
GrandMasterJack is a ProgressPlay casino site with a strange name but a strong games catalogue. Who exactly "Grand Master Jack" is, and what he has to do with casinos, we are not entirely sure, but there is no denying that this casino site knows what it is about. There are slots and casino games on offer, and speaking of offers, the selection of promotions here is great.
There are quite a few promotions listed on GrandMasterJack. Aside from the welcome offer, there are monthly promotion bundles, bonus codes, cashback offers, and plenty more besides. Some of the promotions run on a certain day every week, and others are across a few days, like a cashback weekend. Every month, there is a small collection of promotions which cover the month, and these are usually wrapped in quite seasonal graphics, which is nice.
The Grand Master Jack games
Which games can I play on Wish Upon a Jackpot (UK)?
Butterfly Staxx
A dazzling, sparkling treat awaits when you play Butterfly Staxx! Fill a reel with butterflies to trigger a respin, and land 3 flower scatters to trigger the Butterfly Spins feature. This slot really is a visual masterpiece as well as an exciting game.
The arcane art of magic is the theme of these dark and sinister slot. The grimoire symbol is the mystery symbol and may turn into a variety of other things. Land scatters on reels 1, 3, and 5 to launch free spins, where the Sticky Mystery Symbol feature comes into play.
Want to play on mobile? Play on the go! The site can be accessed via your mobile or tablet, so you can take it out and about with you. There is an app available; downloading it will mean that you just tap to access the site. If you have further questions about playing on the go, contact customer service.
Deposits and Withdrawals on Grand Master Jack
There are a number of accepted payment methods on the site:
Boku
ecoPayz
EU Teller
Giropay
Neteller
Paypal
Paysafe card
Phone Bill
Qiwi
Skrill
Trustly
Zimpler
The minimum amount you can deposit is £10 and the minimum amount you can withdraw is £20.
Grand Master Jack: contact details
See customer support options here, including live chat availability, email address, and phone number.
Email Address: In-site form
To summarise
GrandMasterJack is just what we’d expect from a great online casino; it provides a smooth and straightforward experience, hundreds of games, and plenty of fun promotions to enjoy. No frills, just great games and offers in a well built casino site.
Sister Sites
Grand Master Jack uses ProgressPlay - here are some more sites that do the same!