Millionaire Mystery Box Casino Game

Play Millionaire Mystery Box With 1000% Bonus Up To £1,000

(Full T&C's Apply.)

Millionaire Mystery Box Casino Games


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Millionaire Mystery Box Casino Games

Who Wants to Be a Millionaire Mystery Box may not be the first Who Wants to Be a Millionaire-themed Playtech Slots, but undoubtedly, it’s the most interactive and the most generous. Any players who enjoyed Big Time Gaming’s first Who Wants to Be a Millionaire Megaways slot will definitely want a slice of the action in this slot which was inspired by the iconic gameshow. Who Wants to Be a Millionaire Mystery Box hit UK casino websites in November 2019 and was an instant hit with our players. The 5 x 3 reel slot grid offers players 243 different ways to win, and there’s plenty at stake when spinning away on the reels, you can cash in on up to 12,000x* your stake! That’s highly impressive for one of Big Time Gaming’s medium volatility online casino games.

You’ll be able to spin the reels from just 10p* a spin, while the max stake has been capped at £40*. That may not be the widest betting range, yet, with the multipliers on offer, no players should feel hindered by the betting range. Who Wants to Be a Millionaire Mystery Box may not be a Megaways game, but it has plenty of inventive features and win potential all the same. While you’re spinning in the main mode of play, you’ll enjoy the benefits of the Mystery Box mystery symbol which can transform into matching symbols, and if you like getting risky while you enjoy online casino games, you’ll love the gamble feature which can see you double your wins! On the flip side, you could lose your winnings entirely, so be extremely cautious with the gamble feature!

Yet, undoubtedly the free spins bonus feature is the main attraction in Who Wants to Be a Millionaire Mystery Box. In the free spins, you’ll enjoy extra spins and climbing the progressive multiplier ladder which can reward you with up to 24 additional free spins and multipliers up to 50x*! You’ll have to reach the 11th and final stage of the bonus ladder to enjoy those perks, but it happens more than you think!

Casino Site With Millionaire Mystery Box

The main mode of play in Who Wants to Be a Millionaire Mystery Box is extremely easy. All you’ll need to do is find 3, 4, or 5 matching symbols in an adjacent line on an active bet way to receive a payout. The card suit symbols are the low-value symbols which can payout between 0.6x* and 1x* your stake when you land 5 on a pay line. The medium-value symbols are the green, blue, and red gemstones which will payout 2x*, 2.5x*, and 3x* your stake respectively for 5 symbols on a pay line. The top-paying symbol is the purple gemstone which will award you with 25x* your stake for a winning combination of 5.

You’ll always be happy to see the mystery symbol drop onto the reels which can turn into any randomly chosen symbol to make your spins even more lucrative and exciting. The mystery box symbol can drop onto any of the middle reels and even transform into wild symbols or scatter bonus symbols. So, not only does the mystery box symbol increase your chances of creating new winning combinations, it also increases your chances of triggering the free spins bonus feature which is undoubtedly the main event in Who Wants to Be a Millionaire Mystery Box.

Millionaire Mystery Box Bonus Round

Gamble Feature

After each winning spin, the gamble feature will give you the chance to double your winnings – yet, there’s a chance that you could lose it all. The feature is totally optional, but it’s a great way to boost your winnings if you’re feeling lucky.

Free Spins Bonus Feature

The free spins feature is triggered every time you find three or more scatter bonus symbols on the reels at the same time. Each free spins round will start with seven free spins, but there’s plenty of opportunities to grab more as you spin. While in the free spins mode of play, you’ll notice that a ladder appears on the left side of the reels. The higher up the ladder you get, the more extra spins and multipliers you can win. Each time a scatter symbol lands on the reels, you’ll move up the ladder. Here’s what you can win:

1st scatter – 3x multiplier & 1 additional spin*
2nd scatter – 4x multiplier & 1 additional spin*
3rd scatter – 5x multiplier & 3 additional spins*
4th scatter – 6x multiplier & 1 additional spin*
5th scatter – 7x multiplier & 1 additional spin*
6th scatter – 8x multiplier & 1 additional spin*
7th scatter – 9x multiplier & 3 additional spins*
8th scatter – 12x multiplier & 1 additional spin*
9th scatter – 15x multiplier & 1 additional spin*
10th scatter – 30x multiplier & 1 additional spin*
11th scatter – 50x multiplier & 3 additional spins*

Millionaire Mystery Box Developer

Big Time Gaming may not have the biggest portfolio of online slots, but they’ve been pivotal to the evolution of UK online casino games websites such as Kong Casino. With their innovative approach when it comes to redesigning betting systems, online video slots are now a far cry from the traditional fruit slots which got slot players hooked in the 90s and 00s. Their pioneering Megaways reels technology has been adopted by plenty of the online slots developing powerhouses such as Red Tiger Gaming, Microgaming and Blueprint Gaming. Yet, the most popular titles from Big Time Gaming at present are Bonanza Casino Games, Monopoly Megaways, Extra Chilli, Royal Mint Megaways, Danger High Voltage, Lil Devil, and Donuts. It’s easy to see why the game developer which saw its inception in 2011 prides itself on innovation. It’s no easy feat for an online slots developer to get their games in the top 10 list, yet Bonanza has held a top spot ever since the date of its release

*Any references to bonuses and free spins are subject to the following terms: New players Only, £10 Min fund, £1,000 Max Bonus, Max Bonus Conversion equal to lifetime deposits up to £250. 65x Wagering requirements and Full T&C's Apply.

*All values (Bet Levels, Maximum Wins etc.) mentioned in relation to this slot game are subject to change at any time.