Let It Burn Slot Review
Embers drift through a dark brown haze behind the reels, copper fittings glow, and the title lettering looks like it was pulled straight out of a fire. Let It Burn is a slot where the paytable barely matters: NetEnt has built the whole game around three moving reels in the middle of the grid, and the symbol pays are practically an afterthought. It’s a tinkerer’s release, closer in spirit to Twin Spin Megaways than Starburst.
The set-up is a 5×4 grid with 1,024 bet ways, rising to 3,125 in the bonus. It runs at 96.00% RTP with a 25% hit frequency, and the ceiling is 2,700x the bet. Whether the studio’s mean streak, the one behind Dead or Alive 2, survives the move is the question the fire’s hiding.
The Base Game and Its Rolling Reels
Wins land the ways-pay way: matching symbols in any position on three or more adjacent reels, left to right, form a bet way win. With 1,024 ways on a 5×4 grid, that’s a lot of adjacent real estate. Bets run from 0.10 to 100 per spin.
The wilds substitute for everything except each other and the scatter, and they only ever land on the rolling reels. The rolling reels are what make this game unusual.
They can appear at random on reels 2, 3 and 4, in the main game and in free spins. Each one starts life carrying a 1x value. From there, almost everything that touches a rolling reel moves it or grows it.
How the Rolling Reels Move
The full set of rules:
- Any ordinary symbol landing on a rolling reel moves it one position down on the next spin and adds 1 to its value
- A rolling reel that reaches the bottom of its reel disappears on the next spin, unless one of the directional wilds intervenes
- Two rolling reels that slide into the same position merge into one, their values added together after the increase
- If a symbol on a rolling reel forms part of a bet way win, the symbol count on that way increases by the value of that rolling reel
That last rule is the whole engine. A reel that’s climbed to 5x turns a five-symbol win into a ten-symbol win. Keep the reels alive, keep climbing, let the merged ones compound.
What the Diamond Pays
The paytable is short on this one, and the diamond sits at the top of it. Payouts are multiples of the total bet:
- Diamond: 1x for three, 1.5x for four, 2.5x for five
The Four Action Wilds
There are four wilds besides the plain one, and each does something different to the reel it lands on:
- Wild Up: moves the rolling reel to the highest position on its reel and adds 1 to its value
- Wild Left and Wild Right: shift the rolling reel one reel sideways, either direction, and add 1 to its value
- Wild +3: adds 3 to the reel’s value outright, then on the next spin it goes up by 1 more and drops a position
The +3 is the only wild that feeds a reel without steering it. The directional ones do the steering, and together they’re what stop the reels from dying. A reel drifting towards the bottom of the grid can be yanked back up or sideways by a single well-placed wild, which is why the directional ones matter more than the +3 in the long run.
Free Spins and the Expanding Grid
The scatter is a crown coin, and it works on a sliding scale:
- 3 crown coins: 10 free spins
- 4 crown coins: 15 free spins
- 5 crown coins: 20 free spins
The bonus round doesn’t carry the base game’s reels over: they’re saved and restored when the round ends, and the free spins start fresh. Fresh means the grid grows. The reel area expands to 5 rows, taking the ways from 1,024 up to 3,125.
At the start of the round, between one and three rolling reels are placed at random on the play area, each at 1x. They hold still for the first free spin before the movement rules take over.
Retriggers are on the same scatter, landing during the round:
- 2 scatters: 3 additional free spins
- 3 scatters: 5 additional free spins
- 4 scatters: 8 additional free spins
- 5 scatters: 12 additional free spins
The maths of the round is the maths of the base game, amplified: more rows, more ways, and rolling reels that can merge into something large.
Buy Feature
There’s no waiting required. The Buy Feature sells the free spins round outright, at three tiers:
- 10 free spins: 100x the bet, at 96.03% RTP
- 15 free spins: 150x the bet, at 96.02% RTP
- 20 free spins: 200x the bet, at 96.01% RTP
All three tiers run a fraction above the base game’s 96.00%, so the buy costs nothing in return terms. The differences are thousandths of a percent, which is to say: pick the tier you want for the session you want, not for the RTP.
Our Honest Verdict
Overall Rating: 7.8/10
Playing this is less like spinning a slot and more like tending something. Most sessions are quiet: the reels drift down, tick up by one, and every so often a wild pulls one back from the edge. The reason to choose it is that a reel you’ve kept alive for twenty spins, merged with its neighbour, is worth more than any single win here.
The free spins round is the payoff. The grid opens up, everything scales at once, and one good round genuinely can carry a session. The cost is everything before it: the base game can go long stretches where nothing grows and nothing pays, and there’s not much happening on screen to bridge that.
It’s for players who enjoy the mechanism as much as the money, the patient kind who liked watching systems build in older NetEnt titles. Anyone after fast hits or big spectacle will be bored before the reels warm up. Settle in, feed the fire slowly, and it repays the patience.
Let It Burn FAQs
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How is the Let It Burn free spins round triggered?
Three, four or five crown coin scatter symbols award 10, 15 or 20 free spins respectively. -
What do the rolling reels in Let It Burn do?
Rolling reels appear at random on reels 2, 3 and 4 with a starting value of 1x. Almost any symbol that lands on one moves it down a position and increases its value by 1, and if a symbol on a rolling reel forms part of a win, the symbol count on that bet way increases by the reel’s value. Reels that reach the bottom disappear, and two reels landing in the same position merge and add their values together. -
Do the different wild symbols in Let It Burn do different things?
Yes. Wild Up moves a rolling reel to the top of its reel and adds 1 to its value, Wild Left and Wild Right shift it one reel across with the same value increase, and Wild +3 adds 3 to the reel’s value outright. -
Can you retrigger the free spins in Let It Burn?
Yes. Two, three, four or five scatter symbols landing during free spins award 3, 5, 8 or 12 additional spins respectively. -
Can you buy the bonus on Let It Burn?
Yes. The Buy Feature sells 10, 15 or 20 free spins for 100x, 150x or 200x the bet respectively. -
What is the RTP of Let It Burn?
The RTP is 96.00%. The Buy Feature tiers run fractionally higher, at 96.03% for 10 spins, 96.02% for 15 and 96.01% for 20. -
What is the maximum win on Let It Burn?
The maximum win is 2,700x the bet. -
Who makes Let It Burn?
NetEnt. It’s a 5-reel, 4-row game with 1,024 bet ways in the main game and 3,125 during free spins.
