Big Time Gaming’s Millionaire Mystery Box: An Overview


Big Time Gaming’s first branded slot, Who Wants to Be a Millionaire, hit the market in November 2018 and quickly became a sensation among gambling enthusiasts. For all the wrong reasons, unfortunately. The community has been buzzing with conjecture ever since the announcement day about what will happen if you achieve the highest level of the free spins feature in the game. Not long after the release date, a member of the community uploaded and published a video in which he brags about being the first player to ever win all 50 free spins. Unfortunately, he only won 300x, which is embarrassingly low for a game that boasts a potential of over 20,000x. However, there is little dispute about the genuine potential of Who Wants to Be a Millionaire when one looks at the massive victories that have been piling up on Youtube and forums around the web since then.

Who Wants to Be a Millionaire? is the inspiration for Millionaire Mystery Box, a slot game released by Big Time Gaming in 2018. The game uses a setup that, to our knowledge, has only been seen in Books of Gods, and it’s playable from as little as $0.20 across all devices. It has a Mystery Box disclose feature that can disclose any symbol, including special symbols like the wild and scatter, and it has 5 reels, 3 rows, and 243 chances to win. Like the original, the action really heats up in the Hot Seat, where you can sit for a chance at up to 24 free spins and a multiplier of up to 50x.

When the Who Wants to Be a Millionaire theme song starts playing, the studio looks the same as we remember it: a neon set with the hot seat set behind transparent reels. The symbols remain the same, too, including the high-paying green, blue, red, and purple diamonds and the lower-paying royal values (9 through A). The latter is the most lucrative, providing you 25 times your bet for a five of a kind combination. The multicolored 2x wild symbol only appears on the middle three reels, doubles all wins, and can multiply itself by connecting to additional of the same symbols.

Features of the Millionaire Mystery Box by Big Time Gaming

This slot, like the original Who Wants to Be a Millionaire game, includes a Mystery Box bonus round. When the Mystery Box symbol occurs on any of the middle reels, it will randomly replace any other symbol on the reels with that symbol. This increases the likelihood of forming winning combos and triggering further free spins.

Big Time Gaming knows that their Millionaire slot machine isn’t complete without a Gamble option, so it included one. If you hit a winning combination while playing the Millionaire Mystery Box’s base game, you’ll be given the chance to double your money. To put it simply, you can keep gambling your win and doubling it until you either run out of money or opt to stop.

You might win up to 50 extra spins by betting extra coins in the original slot machine. The rules are a little different in Who Wants to be a Millionaire: Mystery Box. To begin, you’ll need to get 3 or more scatter symbols anywhere on the reels to trigger the Free Spin round, where you’ll be awarded an initial 7 spins. Now, there is a ladder structure housing free spins and multipliers to the left of the reel set. With each additional scatter that lands during the free spins bonus, your win multiplier and number of spins will both increase. If you manage to gather the 11 scatters required to reach the pinnacle, you’ll be awarded a 50x win multiplier.

Even if you manage to climb to the ultimate pinnacle, you won’t necessarily run out of free games anytime soon, as each additional scatter you get will still grant you another free game. Potentially, you may earn up to 12,000 times your initial wager. Massive, in other terms.

The Verdict on Big Time Gaming’s “Millionaire Mystery Box”

Millionaire Mystery Box is like a combination of Who Wants to Be a Millionaire and Opal Fruits. It retains the original’s themes as its foundation, but adds numerous new features that, at least in our opinion, not only make it an entirely different game but also vastly improve upon it. You may wonder why this is the case. First of all, we find it interesting that Big Time Gaming, the creators of the Megaways engine, have opted for a more conventional reel mechanism this time around. And to be totally honest, we’re also delighted to see that the free spins gamble feature has been left out which we were never major lovers of anyhow.

It’s not Big Time Gaming’s most original idea, but it’s perfectly executed, and the game show vibe is perfectly captured by the multiplier ladder. What you get is essentially a no-frills slotting experience in which the only controls you need to care about are the accelerator and braking. In the end, Millionaire Mystery Box is an excellent high-variance slot machine that players who enjoy a good scare will appreciate.

If you’re on the search for something more original, we propose you have a look at Monopoly Megaways which is a branded title based on the popular board game Monopoly and the second Big Time Gaming slot to include the Reel Adventure concept. Another branded title inspired by the popular Survivor TV show is Survivor Megaways.


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