Millionaire Mystery Box Slot

Review, Demo Play, Payout, Free Spins & Bonuses

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Millionaire Mystery Box is an online slot created by Big Time Gaming that is built round a 5-reel, 3-row format. There are 243-ways-to-win. Features include a free-spins round where wins are multiplied by up to 50X and a “double or nothing” gamble round where you can try and increase any win.

Millionaire Mystery Box Online Slot Theme

Big Time Gaming’s Who Wants to be a Millionaire online slot was a huge hit when it was released in 2018, and the studio wanted to follow it up with another great game. However, it’s difficult to make an online slot even more exciting than a Megaways slot – or, is it?

The new Millionaire Mystery Box offers players just as much fun and as many thrills as the original game. It might even be more popular among players, as the selection of Megaways games becomes even more saturated.

The game features similar graphics to Who Wants to be a Millionaire Megaways, with the gameshow backdrop and bright jewel-themed symbols. Overall, it’s an eye-catching game that does capture your attention.

How to Play Millionaire Mystery Box Slot

Millionaire Megaways is a 243 Ways to Win online slot, offering players the ability to wager between .20 coins and 100 coins per line, which is a suitable betting range for both high rollers and penny slots players.

Millionaire Mystery Box Slot

What is the RTP of Millionaire Mystery Box Slot?

The RTP (return to player) of Millionaire Mystery Box is 96.64%. It ‘s also a medium variance game, which means that you’ll be able to cash in on prizes fairly frequently. Who Wants to be a Millionaire Megaways is a high volatility game, so this slot does aim to appeal to a different type of online slots player.

How to Win at Millionaire Mystery Box Slot

There are some very generous prizes available in Millionaire Mystery Box slots from Big Time Gaming. The purple gems pay out the most in this game, providing players with a prize worth 25x their stake for a five-of-a-kind winning combination.

Millionaire Mystery Box Free Spins and Bonuses

When the Mystery Box symbol lands on the reels, all instances of that symbol will transform into one random symbol. It can turn into any regular symbol, and even into wilds and scatters.

To trigger the free spins round, you have to land three scatter symbols on the reels. When you do this, you’ll receive 7 free spins, but there is a ladder along the right side of the reels that will add more free spins and provide you with multipliers on your bonus winnings. For every additional scatter on top of the initial three, you’ll get more perks.

For example, the first extra scatter provides you with a 3x multiplier and gives you one more free spin. If you manage to land 11 extra scatters, you’ll receive a massive 50x multiplier and get 15 extra free spins in total.

This is a fun bonus features that offers up plenty of excitement. It’s not ground-breaking but it’s in line with the Who Wants to be a Millionaire brand and does have the potential to offer up some amazing wins.

Millionaire Mystery Box Demo Play

Millionaire Mystery Ways is not yet available to play as a demo slot, but we have dozens of other fun Big Time Gaming slots that you can play for free in the meantime.

Overall Review – Millionaire Mystery Box Slot

Millionaire Mystery Box from Big Time Gaming offers players a fun online gaming experience and there is plenty of winning potential here, without relying on Megaways mechanics. As a result, this slot should appeal more to players to prefer a more classic slots gaming experience – while still enjoying unique gaming features.

Disclaimer: Millionaire Mystery Box trademark / license is owned by Big Time Gaming. This site is not endorsed by Big Time Gaming.

* Although we try and match games with Casinos that have them, we advise that you double-check the slot content on the casino before making a deposit.

Slot Data
Slot Name: Millionaire Mystery Box
Software: Big Time Gaming
RTP: 96.24%
Volatility: Medium volatility
Paylines: 243
Reels: 5
Min Bet (all lines covered): £0.20 (GBP)
Max Bet: £100 (GBP)
Top Win: 12
Features: Wild Symbol , Scatter Symbol , Multiplier , Free Spins , Medium volatility , 5 Reels , Mystery Symbols
UK Available in GB? Yes. Big Time Gaming have a UKGC license and are allowed to offer their games at UK licensed casinos.

Millionaire Mystery Box FAQs

Can I play Millionaire Mystery Box slots for free?

You’ll soon be able to Millionaire Mystery Box slots for free here at Slots Temple. In the meantime, check out our selection of over 4000 other great demo slots .

Does Millionaire Mystery Box slot have free spins?

Yes, you can trigger the Millionaire Mystery Box free spins bonus by landing three scatters on the reels.

Is Millionaire Mystery Box free slots available on mobile platforms?

You can play Millionaire Mystery Box slots using any tablet, smartphone or PC.

Can I win real money playing Millionaire Mystery Box slots?

If you’d like to vie for the chance to win real-money prizes on Millionaire Mystery Box, you’ll have to sign up to an online casino that carries Big Time Gaming slots and make a deposit.

Is Millionaire Mystery Box online slot really random?

Yes, Millionaire Mystery Box from Big Time Gaming is a totally random online slot game, using RNG technology to ensure that all spins are fair.

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