Devil’s Number

(Red Tiger) Slot Review

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Devil's Number (Red Tiger): Review

Though the combinations may seem endless, there are limits to what slots can do. Regardless of all the skilled mathemagicians out there, no machine can escape the chains of the random number generator or the choke hold of the theoretical return to player. When it comes to the visual presentation, however, the human mind is capable of things calculators are not. Unfortunately, not all studios are brave enough to freely express themselves, for in an industry intensely focused on revenue, it's often best to play it safe.

Devil's Number does anything but to play it safe. Produced by Royal Studio and powered by Red Tiger, here's a slot that sticks out like a sore thumb on the digital shelves otherwise dominated by absurdly bright and happy mainstream creations with generic themes. Devil's Number is a creepy 5x4, 30-payline slot with emphasis on symbol upgrades and symbol removal that can be played across all devices from between 0.20 and 40€ per spin.

Whether the wicked feel is to your liking or not, the imaginative design is sure to make an impression. The comic book-inspired graphics are brilliantly done and the sinister setting is sure to arouse one's curiosity. The symbol set which, of course, fits the narrative, includes lower value A, K, Q, J and 10 royals as well as scrolls, spell-books and cauldrons. The dominating symbol is the bottle of potion with the skull cap which delivers 12 times your stake if you get 5 on a full payline.

Devil's Number (Red Tiger): Features

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Devil's Number benefits from two features in the main game known as the Mark of the Beast. The first one is an upgrade feature that can trigger randomly on any spin made up of one of the premium symbols. If activated, the symbols receive a boost in value.

The second feature is a symbol removal feature. Whenever you land a winning combination of lower value symbols, there's a chance that a chain reaction may activate - all the symbols that are part of the win are removed, triggering a cascade. This gives you the chance to land another winning combination.

The highlight is the Free Spins bonus which is triggered by landing three 9-symbols on the middle reels which then turn upside down to reveal the number of the beast. Things get intense now as a heavy metal soundtrack kicks in. Starting with 12 spins, you'll benefit from both of the previously mentioned Mark of the Beast features, which are in play throughout the bonus. But there's more to it.

If you land a win from an A, K, Q, J or 10 symbol, they will be permanently removed. In a similar fashion, every win with a premium symbol upgrades the value of the symbol permanently as well. It's also possible to re-trigger the feature with 6 extra spins if you land 3 additional scatters.

Devil's Number (Red Tiger): Verdict

Devil's Number has its pitfalls, namely the relatively low 2000 xbet potential as well as its somewhat weak main game, but it also thrives on stylistic prowess and charismatic charm. The free spins feature is where Devil's Number shows its real strength and where it kicks into gear to deliver a satisfying thrill.

The dark theme won't be to everyone's liking and not everyone will appreciate the, in our humble opinion at least, outstanding artistry, but even so, there's enough to like here to make it worth a session or two. All in all, we consider Devil's Number to be a competent slot and a poetic creation that takes a step outside of the box without compromising the long-held traditions of online slot machines.


Devil’s Number is an enjoyably creepy venture with some engaging gameplay mechanics.

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