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The Fortunium slot, available by Stormcraft Studios, has a great, in-depth theme that uses a steampunk motif. This comes with a number of characters, a huge symbol grid and a ton of space for the features to be a serious factor. If you like titles that bring a fast-paced style of play and a high hit-rate with chances to win some pretty sizable prizes, then this is a game that you will most likely want to add to your favorites. Aside from that, it's a game that looks great as well with strong aesthetic values.

Layout and Format

This game's format is a major part of the gameplay. It uses five reels and five rows, which is larger than the vast majority of games out there, and there are 40 paylines as well. You cannot adjust how many lines are activated, not that you'd want to, but you can adjust how many coins you're playing with and how much those coins are worth. You'll wager sets of 15 coins at a time, and up to 25 coins can be wagered per line, but they can be worth as much as $0.50 apiece. As a result, the minimum wager is $0.15 with a maximum at $300. This is with the win booster feature on, which you should always have on to boost your RTP.

Note that some casinos might limit this maximum bet to something closer to $100 just as a part of a site-wide policy, so high rollers should check up on that before they go to play this game specifically. Additionally, we're going to assume a total bet size of $1.50 per turn for the payouts we list. If your wager is different, then you'll need to scale your payouts accordingly.

Mystery Stacked Symbols

The main feature that drives most of what you'll see on the reels centers around the mystery stacked symbols. These are blank symbols that show up stacked on all reels. When the reels come to a stop, they open up to all reveal the same matching symbol. The idea here is that it lends itself to giving you a lot of chances for multiple wins on the same spin, and it puts you in a position where the unusually high five rows come in handy in a big way.

Free Spins Bonus Round

The scattered green and gold symbol gets you 100x for five of a kind multiplied by your whole wager. You can get 20x for four, 2x for three or 1x for two of a kind. Three or more activates a set of 10 free spins. During your free spins bonus round, all three of the middle reels will be replaced by the stacked mystery symbols. This means that you're going to really have major chances to nail huge payouts because a single matching symbol on the first reel gives you a handful of four-of-a-kind wins at the very least.

Wild Symbols and Other Payouts

Payouts of 8x are yours for five of a kind of the man or woman symbols. They show up stacked often, so they're some great payouts just waiting to happen. You can get 6x for five of the chest or 5x for the golden blimp as well, which is a common air-based vehicle in steampunk settings. Payouts drop to 4x for the pistol for five of a kind combinations, and then there are card rank symbols. They pay 2x for five of the red spade, 1.8x for five of the golden heart, 1.5x for five of the green diamond and 1.2x for five of the blue club.


The Fortunium video slot by Stormcraft Studios really brings it in terms of the graphical side of things with the excellent steampunk theme. They also centered the game around a theme that you don't see that often from a gameplay perspective as well with the stacked wild features, and the win booster side-bet kicks that into overdrive. You really should keep that side bet activated all the time even though it increases your bet size by 50 percent because of how valuable it is in terms of your return to player percentage.

Even in the free spins bonus round, they center it around mystery stacked symbols to give you better chances of winning, and that's a fun way of tying everything together around one feature. It's a great style of play because it leads to an exciting experience with opportunities to run up a whole lot of wins as well.

By Jesse Eddleman

Top rated casinos to play Fortunium

    • Casino Adrenaline
    • 111%
      New Customer Offer. T&C’s Apply. This offer is not available for players residing in Ontario. T&C’s Apply. The minimum deposit is 30 €/$ or  Crypto-equivalent.  No max cashout.  There are no wagering requirements set on the bonus, but the casino states that all deposits must be wagered at least once before the player can withdraw any balance. Games contribution: 100% Slots, 20% Video Poker, 0% All other games bets toward wagering.

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