Double Rainbow Slot Review

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72% Rated

Graphics - 70%

Gameplay - 69%

Bonuses - 70%

Value - 64%

Whizz hot?

  • Multiplier values combine up to 259x
  • 2x Bonus Buy Options
  • HD graphics and animations
  • Expressly for high rollers

Whats not so hot?

  • Graphics appeal to children

Where to play?

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300% Bonus To $2000 + 20 Freespins

98% Rated


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Welcome bonus

250% Welcome Bonus To $5000

97% Rated


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Welcome bonus

150% Bonus $750 + 50% Cash Back

96% Rated


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Game information


Double Rainbow


Hacksaw Gaming




Cluster Pays





Double Rainbow is a video slot from Hacksaw Gaming.

The online slot has 6 rows, 7 columns along with a unicorn, rainbows, and candy symbols. It’s Candy Crush but just on steroids.

Moreover, it’s most probably the most “girly” slot we’ve played to date. Besides, the visual fidelity is absolutely mint!

However, the slot’s graphics might induce underage gambling which is a strict no-no in our books.

Thought we’d get that out the way first before we commence with the slot review.

With regard to the game’s volatility the Whizz bunch rate it a 7/10. The slot has a Cluster Pays engine and offers 2x Bonus Buy Options.

If you’re a dreamer that likes to step into a slots fantasy world with an explosion of glitter and whatnot. This is it.

You can play Double Rainbow slots for real money at our recommended real money casinos online.

Playable on mobile devices bets per spin start at $0.10 up to $100. More importantly, Double Rainbow is a fantastic slot for high rollers!

If you want to know why we say so, keep on reading! As a side note, visit our best paying slots if you’re a high roller.



The average return to player percentage or Double Rainbow is 96.38%. That’s the default RTP, unfortunately, the RTP can drop as low as 88.38%.

Before you play dive into the paytable to see the RTP you’ll be playing with. Furthermore, you can increase the RTP via the Buy Options.

Bananas 10K Ways pokie has an RTP of 96.10%. The nice thing about it is Aussies can play the pokie at legal casinos online for Australians.



You need at least 5 symbols that match on the grid for a payout. Five symbols in a cluster pay anything from 0.1x.

However, if you hit a cluster of 15 or more symbols, you can win up to 50x your stake.

Plenty of candy symbols appears on the grid. There are 7 principal colours in a rainbow, and you’ll find all of them in Double Rainbow!


Double Rainbow Slot Bonus Rounds

Reel Multiplier

When the Cloud symbol appears it triggers its reel by awarding it a Reel Multiplier. Now, the Reel Multipliers also pitch in any of the 7 colour symbols.

If you land a winning cluster you’ll benefit from the Reel Multiplier because their values combine.

Multiplier Clouds

Double Rainbow slot has two different kinds of cloud symbols. When a normal cloud appears its multiplier value starts with 2x up to a gargantuan 250x for that reel.

Moreover, the Normal Clouds offer you an additional spin when the reels are active. The next one is the Double Rainbow Clouds.

Their multiplier values start off with 2x up to a mammoth 250x. But, most importantly, they offer you an extra 3 spins when the reels are active.

Full Rainbow

You’ll initiate the Full Rainbow bonus if you activate all 7 reels. Basically, the seven reel multipliers multiply by 2x, 3x, 4x, 5x, or 10x.

Plus, you’ll bag an extra 5 spins with all the reels being active.

Bonus Buy

The Bonus Buy Option is not available to players from the UK.

However, if it’s available to you we strongly suggest you use it. In the same breath, please use it with discretion.

The first buy option is ‘1 Rainbow Spin’ offers you an RTP of 96.41%.

You’ll play with an extra spin that activates the 3 reels with a starting Reel Multiplier of 4x. It costs 10x your stake.

The second Buy Option costs 50x and the RTP is 96.27%. It also guarantees you 4 extra spins with 4x staring Reel Multipliers.


Double Rainbow Tips & Strategy

We played the slot in the free mode at an average stake of $2 for a few spins.

Shortly after, we decided let’s go all-in at $100 per spin. It’s a high variance slot and why not.

Our next logical step was to buy “4 Rainbow Spins” and we selected 10 spins via the Auto Play feature.

We can’t remember the last time we played a slot where we received so many extra spins and wins.

Once the Cluster Pay system got going it just never stopped. For what seemed like a small eternity our final payout was $77,700.

Incidentally, it’s our biggest slot win of all time! As such we happily tip our hats to Hacksaw Gaming.

The only reservation we have with the slot is that it’s very childish. Perhaps HG could have coated it differently and retained the same engine.



If it’s social stimulation or adventure you’re after, Double Rainbow is a fantastic slot.

As a bunch of blokes, our initial impression was, “it’s a girly slot on steroids”. Nah, we’ll take a pass on it, eventually, we decided to play it. Glad we did!

The slot has all the elements of Candy Crush. But it’s far more exciting because it drops real cash like kids gobble up candy on Halloween.

We’ve never played a slot where the Cluster Pays system just keeps going on and on. That’s how things roll here.

Moreover, the Multiplier values go nuts once they get going. After all, we landed the top multiplier of 259x for a spectacular win of $77,700.

Double Rainbow is like catnip for real money casino slot players. We’ll even rate it as our best slot for 2022 thus far.

The online slot is so good, Hacksaw Gaming just crossed the proverbial slots Rubicon with it. Like Arnie said, we’ll be back!

No Limit City’s Misery Mining is most probably at the very opposite of the spectrum of Double Rainbow.

It’s just as grandiose with regard to its game mechanic and the jackpot on offer is 70,000x.

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