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Double Flame

Review, Demo Play, Payout, Free Spins & Bonuses

Double Flame is an online slot developed by Spade Gaming. It is a traditionally-themed six-reel game with 25 paylines. The volatility is medium. Extras include the Bonu...s Wheel, Blazing Reel, Fast Hit Bonus and Fire Shot Feature. Free spins and multipliers are available.

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3.8 out of 5 stars
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  • Sixth reel with random multipliers
  • Bonus wheel with free spins and multipliers
  • Fast hit feature with extra payouts
  • Constant animation can be annoying
  • No win and loss limits in autoplay


Spade Gaming could have made another five-reel fruit machine with 25 paylines and had a fun but fairly standard offering. Instead, they added a sixth “blazing” reel and combined it with a host of bonus features that include multipliers and the occasional free spin. The gameplay of this slot is full of complexity even with its classic theme. That means Double Flame is one of the standouts among the Spade Gaming free play slots available here on Slots Temple.

Theme, Graphics & Soundtrack

This is a very traditional slot thematically. Symbols include a diamond, 7s, Bars, cherries and a bell, and the sounds include familiar beeps and whirrs. The screen is crowded slightly by the different features and jackpots displayed above the reels, the sort of thing you’d expect in a jackpot slot.

Less traditional are the six reels and the dramatic fire. This is the double flame of the title, half the screen burning orange and the other half raging blue. These flames are constantly animated, which is exciting at first but may grow annoying in a longer session. The sixth reel is slightly separate from the others, in keeping with its special role as the “Blazing Reel”. It’s an interesting combination of a classic and modern design.

Double Flame

Double Flame RTP & Volatility

Most slots come with an RTP figure, whilst volatility information is harder to come by. Unusually, Double Flame is the other way round. There’s no official RTP from Spade Gaming, but it does have an official three out of five volatility. That means the variance is medium, presenting a welcome balance between risk and reward for most players.

How to Play Double Flame

This game isn’t just a simple fruit machine, but the basics are still the same:

1. There’s an “i” on the left of the screen, on the translucent bar under the reels. It’ll open the paytable. You can also flick through pages on the different bonus features so you know exactly what you’re doing before you start playing.

2. More information about the game rules is available if you click the question mark at the very bottom of the screen. There are other buttons to close the game, mute the volume, view game history and toggle full screen mode in the same line.

3. The other main thing before you start playing is choosing your bet level. This can be done by clicking the bet adjustor back on the translucent bar, or the dollar symbol on mobile. Your total bet is displayed at the centre of the screen, as is your current balance.

4. On the right of the screen, you’ll find the arrows to activate fast play and the circled play symbol of autoplay on either side of the main Spin button. Autoplay will allow you to choose the number of automatic spins.

5. Every other display you need regarding potential prizes from the various bonus features available is located above the reels. The only other thing you need to do is set yourself a budget with win and loss limits to make sure your game stays fun, then hit Spin!

Bet & Win Sizes

There’s a pretty impressive bet range from a 0.5 minimum to a 500 maximum, which should satisfy most people.

Wins are based on the paytable, which tells you how much you’ll win for three, four or five matches. The maximum wins for each symbol are as follows:

Combination of Bars - 15

Bell, Cherries - 25

Blue Bar - 25

Red Bar - 50

Combinations of 7s - 50

Blue 7 - 100

Red 7 - 250

Diamond - 500

During the fire shot feature, the following rewards are available:

Flaming - up to nine times your stake

Diamond Flame - up to 22 times

Double Blazing - up to 60 times

Triple Blazing - up to 120 times

Flaming 7 Times - up to 350

Double Flame Bonus Features

Blazing Reel

The sixth reel is the Blazing Reel, which always spins alongside the other reels but has its own symbols. For instance, it can award you a random multiplier of up to x10. It also has more bonus symbols which may make it easier to trigger a bonus round.

Bonus Wheel

If you find three Bonus symbols then you’ll trigger the Bonus Wheel. A single spin of the wheel could win you free spins, a cash prize or even the Double Flame Reward! Free spins from the Bonus Wheel also come with an award of 2x your total bet, as well the potential to trigger five more free games.

Fast Hit Feature

Three Fast Hit symbols means a payout equal to your bet. More Fast Hit symbols increase the prize, through x4, x9, x20, x55, x150 and all the way to a very impressive x350 if you find the maximum nine symbols.

Fire Shot Feature

Again, this feature is triggered by finding three or more of the appropriate symbol, but this time it comes with one free spin for one of five bonus mini-games, each of which uses a combination of Bars and 7s on three reels.

Overall Review

Don’t let the traditional symbols fool you because this is much more than that. It’s not just the vivid animations or exciting sixth reel with its extra multipliers, but the wide selection of bonus games and potentially huge prizes. Any annoying features are outweighed by the depth of features and rewards. Like the Double Stacks slot, it’s a brilliant twist on a classic.


Disclaimer: Double Flame trademark / license is owned by Spadegaming. This site is not endorsed by Spadegaming.

Slot Data
Slot Name: Double Flame
Software: Spadegaming
Volatility: Medium volatility
Paylines: 25
Reels: 5
Min Bet (all lines covered): £0.50 (GBP)
Max Bet: £500 (GBP)
Top Win: 350
Features: Scatter Symbol, Multiplier, Free Spins, 5 Reels, Medium volatility
UK Available in UK? No. :maker does not have a UKGC license and cannot offer their games at UK licensed casinos.


What is the RTP of Double Flame?

There’s no official RTP figure.

How volatile is Double Flame?

It’s medium volatility, so size and frequency of wins are balanced.

How does the sixth reel in Double Flame work?

It can award random multipliers as well as extra chances to trigger a bonus feature.

Does Double Flame have a free spins bonus round?

Not exactly, but each Fire Shot feature comes with one free spin and there are free spins available from the Bonus Wheel.

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    Overall score: 3.8 out of 5 stars
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