Millionaire Mystery Box Slot Machine - Play Millionaire Mystery Box Slot Free

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.

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.

Max-win 11,590x

Volatility High

Top RTP 96.64%

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.