Devil's Number Slot Review – Free Play by Red Tiger
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Ranked & reviewed
18+ | Play responsibly | T&Cs apply. Free demo slots on this page require no deposit or registration.
Devil's Number Slot Facts
The Devil’s Number slot from Red Tiger pays up to 2,520x the stake at a 96.06% RTP, set on a 5x4 grid with 30 win lines inside a candlelit, book-lined chamber where flame randomly rewrites the symbols in play. A burning mark can upgrade the strong symbols or burn away the weak ones on any spin, and reaching 12 Free Spins turns that same mechanic loose for an entire round. It is a slot built around watching the reels change shape mid-session rather than staying fixed.
Devil’s Number Theme & Design
Red Tiger sets this one inside a gloomy, occult library packed with old tomes and candlelight, giving the whole game an ominous, ritual-like feel. The flame motif ties directly into the mechanics, since a fiery brand is what drives the symbol changes across the grid, tying the visual theme directly to how the math behaves. Scatter symbols built around the number nine reinforce the devilish numerology running through the design, and the overall presentation leans into a slow-burning, sinister mood rather than anything playful or cartoonish.
How Devil’s Number Plays
Spins across the 5x4 grid pay through 30 lines, and the defining twist is that any winning line can get touched by fire before the next spin begins. When a line of the stronger, high-paying symbols wins, that symbol can burn and upgrade into a higher-paying version just for that one spin, while a line of weaker, low-paying symbols can instead be burned away entirely after paying out, with the empty spaces triggering a cascade of falling tiles. Landing three of the nine-symbol scatters on reels two, three, and four unlocks 12 Free Spins, and the same fire mechanic carries into the round with a twist: high-paying symbols only pay their normal amount on their first bonus-round win, after which they stay permanently upgraded for the rest of the round, while low-paying symbols that win instead vanish off the board for good once they set off a single cascade, permanently thinning the board as the round goes on.
RTP, Volatility & Win Potential
A 96.06% RTP places Devil’s Number right around the industry average of around 96%, so the baseline return sits in line with expectations before volatility reshapes how it actually arrives. High volatility combined with a 17.82% hit frequency means winning spins land less than one in five tries, so sessions can run cold for stretches before a cluster of upgraded symbols or a Free Spins round turns things around. The 2,520x max payout reflects that same profile: a ceiling built for patient players willing to ride out dry spells in exchange for the chance at a permanently reshaped, high-paying board inside Free Spins.
Our Verdict on Devil’s Number
This Devil’s Number slot review suits players who like a board that visibly evolves instead of resetting every spin, since watching low-paying symbols burn away and high-paying ones upgrade genuinely changes what a later spin can pay. The honest downside is a 17.82% hit frequency paired with High volatility, which means patience is required before that reshaping effect really pays off. Anyone curious about the 2,520x ceiling can try the free demo on this page before deciding if the slow-burn pacing fits their session style.
Devil's Number RTP, Payout & Specs
| RTP (overall) | 96.06% |
|---|---|
| Volatility | High |
| Hit frequency | 17.82% |
| Max payout | 2520x bet |
| Reels / rows | 4-4-4-4-4 |
| Min / max bet | 0.1 / 50 |
| Technology | HTML5 |
| Platforms | Desktop, Mobile |
| Provider | Red Tiger |
| Release date | 10 Apr 2019 |
| Bonus buy | No |
Devil's Number Bonus Features & How They Work
Upgrade
When high-paying symbols land in a winning combination, there is a random chance that the burning mark upgrades one of them just for that one spin, turning it into a higher-value version. It is a way for a single win to pay out more than the symbol’s base value would normally allow, adding an extra layer of unpredictability to every winning spin.
Remove
If a low-paying symbol lands as part of a winning combination, there is a random chance it gets burned away entirely right after it pays out. The empty positions then trigger a cascade of new tiles falling into place, and the removed symbol will not appear again as part of that specific cascade sequence.
Free Spins
The nine symbol acts as the scatter, appearing only on reels two, three, and four, and landing three of them awards 12 Free Spins. Inside the round, high-paying symbols that win for the first time pay their normal amount and then stay upgraded for every remaining spin, steadily raising the board’s paying potential. Low-paying symbols that win during the round instead disappear off the board entirely for the rest of the bonus after setting off one cascade, thinning the board down as the free spins continue.
Devil's Number FAQ
What is the RTP of Devil's Number?
Devil's Number runs at a 96.06% RTP, around the industry average of around 96%, combined with High volatility and a 17.82% hit frequency.
Can I play Devil's Number for free?
Yes, a free demo of the Devil's Number slot is available on this page, letting you see the symbol-burning mechanic play out before betting real money.
What is Devil's Number's max win?
The maximum payout is 2,520 times the stake, though High volatility means that ceiling takes a well-timed Free Spins round to approach.
How do you trigger Free Spins on Devil's Number?
Landing three of the nine-symbol scatters on the second, third, and fourth reels awards 12 Free Spins, during which winning symbols permanently upgrade or get burned away.
Where to Play Real-Money Slots
Ranked & reviewed18+ | Play responsibly | T&Cs apply. Free demo slots on this page require no deposit or registration.
