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Game description

Millionaire Mystery Box

Welcome to our online crypto casino with Millionaire Mystery Box, an online slot created by Big Time Gaming that is built around a 5-reel, 3-row format. There are 243- crypto-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 your crypto earnings.

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.

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

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 crypto winnings.


A crypto online casino allows you to play Millionaire Mystery Box game on the internet with cryptocurrencies. You can either play Millionaire Mystery Box game for real money (such as BTC, ETH, LTC, DOGE, BCH etc.) or with play money. Playing at a casino is entertainment that provides fun as well as a chance to win big money. Millionaire Mystery Box is a casino game with a RTP level of 96.64% and the game is produced by Big Time Gaming. Big Time Gaming is an online casino game provider.

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Game reviews

4 reviews
3.0
 (0)
 (1)
 (2)
 (1)
 (0)
Reviews(4)
Basic

This game looks fun in the beginning, but its pretty basic in the end. Its okay though

Oct 13, 2022

I Like It

It may not be Big Time Gaming's most innovative creation, but the execution is flawless and the multiplier ladder is an excellent fit for the game show theme.

Oct 13, 2022

Common

I was expecting more from this game ,don't know if it has any connections with the original but i'm not amazed ,still want to try it out .

May 05, 2022

Nice

Was never a fan of the original version. This one definitely looks more fun. Not as “far out” as BTG slots can be though.

May 05, 2022