Double Rainbow

Double Rainbow Slot Review: Chase Colorful Wins in Hacksaw's Vibrant World

Introduction: A Candy-Colored Adventure in the Clouds

If you're looking for a slot experience that combines cheerful visuals with genuinely innovative mechanics, Double Rainbow from Hacksaw Gaming might just be the pot of gold you've been searching for. This 2022 release transports players to a dreamy landscape of pastel clouds, radiant rainbows, and a friendly unicorn, creating a whimsical atmosphere that stands out from the more serious, edgy themes common in online slots.

What makes Double Rainbow particularly captivating isn't just its candy-themed aesthetic - though the vibrant colors and smooth animations certainly create an inviting experience. The real magic lies in how Hacksaw Gaming has paired this lighthearted theme with a sophisticated cluster-pays engine and a unique multiplier system tied directly to the rainbow motif. It's a slot that proves substantial winning potential doesn't have to come wrapped in dark, intense themes. Whether you're drawn in by the cheerful ukulele soundtrack or the promise of multipliers that can soar up to 250x, Double Rainbow offers a refreshing escape that keeps players engaged with its perfect blend of simplicity and depth.

Double Rainbow at a Glance: Key Specifications

Before we dive into the gameplay mechanics, let's examine the essential technical details that define the Double Rainbow experience:

This combination of above-average RTP and medium volatility makes Double Rainbow particularly appealing to players who enjoy a balanced approach with frequent smaller wins alongside legitimate chances for substantial payouts.

Gameplay Mechanics and Interface

Cluster Pays and Cascading Reels

Unlike traditional slot machines with fixed paylines, Double Rainbow utilizes a cluster pays mechanism where wins are formed by landing 5 or more matching symbols adjacent to each other horizontally or vertically. When a winning cluster forms, the cascading reels feature springs into action: the winning symbols disappear from the grid, making way for new symbols to drop down from above. This chain reaction can create multiple consecutive wins from a single spin, potentially leading to impressive winning sequences.

Symbol Hierarchy and Payouts

Double Rainbow features a colorful array of candy-shaped symbols that perfectly fit its sweet theme. There are seven main standard symbols, each represented by a different colored shape—red square, orange circle, yellow triangle, green heart, blue star, pink moon, and purple flower. Interestingly, despite their different appearances, all standard symbols pay equally, with clusters of 15 or more symbols paying 50 times your stake.

The game also includes special symbols:

Wild Symbol: Represented by a lightning bolt, this symbol substitutes for all standard symbols to help form winning clusters.

Cloud Symbols: These special symbols trigger the game's signature multiplier features, which we'll explore in detail next.

The Rainbow Reels System: Where the Magic Happens

Individual Reel Multipliers

The most innovative aspect of Double Rainbow is undoubtedly its Rainbow Reels system. The game features seven reels, each corresponding to a different color of the rainbow. Each reel has its own multiplier that activates when a Cloud symbol lands on it. Once activated, that reel's multiplier applies to all wins involving symbols of the reel's assigned color.

What makes this system particularly engaging is that multiple clouds can land on the same reel, with their multiplier values stacking together . This means a single reel could potentially accumulate a massive multiplier before a winning cluster of that color appears.

Multiplier Clouds - Your Ticket to Big Wins

The Cloud symbols are the key to activating the Rainbow Reels system, and they come in two varieties:

Normal Cloud: When this lands on a reel, it activates the reel multiplier if not already active and adds a random value (2x, 3x, 4x, 5x, 10x, 15x, 25x, 50x, 100x, or 250x) to that reel's multiplier. It also awards 1 extra spin with all activated reels remaining active.

Double Rainbow Cloud: This premium cloud adds a random multiplier (same range as Normal Cloud) to all currently active reels and awards 3 extra spins with multipliers locked in place.

The interaction between these clouds creates dynamic gameplay where the potential builds progressively, especially when multiple reels become active with growing multipliers.

Free Spins and Bonus Features

Full Rainbow Feature - The Ultimate Activation

The most coveted feature in Double Rainbow is the Full Rainbow, triggered when all seven Rainbow Reels are simultaneously activated. This impressive feat doesn't just create a pretty visual effect - it significantly boosts your winning potential:

All active reel multipliers are multiplied by an additional factor (2x, 3x, 4x, 5x, or 10x) 

Awards 5 extra spins with all turbocharged reels remaining active 

This feature represents the peak of Double Rainbow's winning potential, where substantial payouts can occur thanks to the massively boosted multipliers applied across all reel colors.

Bonus Buy Option

For players who prefer immediate access to the action, Double Rainbow offers a Bonus Buy feature . This allows you to purchase direct entry to the Rainbow Spins with guaranteed activated reels:

1 Rainbow Spin: Cost 100x your bet 

4 Rainbow Spins: Cost 500x your bet 

It's worth noting that the RTP slightly varies for these options - 96.42% for one spin and 96.32% for four spins compared to the base game's 96.38%.

Volatility, RTP, and Winning Potential

Understanding the Mathematical Profile

Double Rainbow operates with medium volatility, which creates a balanced experience where players can enjoy relatively frequent smaller wins while maintaining legitimate chances for more substantial payouts. This makes it particularly suitable for players who appreciate sustained gameplay without extremely long dry spells between significant wins.

The game's 96.38% RTP is slightly above the industry average, indicating theoretically favorable returns to players over extended sessions. As always, it's important to remember that RTP represents a long-term theoretical average rather than a guarantee for any single session.

Maximum Win Potential

Double Rainbow offers a maximum win potential of 5,000 times your stake. While this may not reach the extreme heights of some other slots, it still represents a substantial winning opportunity, especially considering the game's medium volatility and engaging gameplay mechanics.

Pros and Cons: Balanced Assessment

Advantages of Double Rainbow

Innovative Rainbow Reels System: The individual reel multipliers tied to specific colors create a unique and engaging gameplay dynamic 

High-Quality Visual and Audio Design: The candy theme is well-executed with appealing graphics and a fitting soundtrack that enhances immersion 

Balanced Volatility Profile: The medium variance provides a satisfying blend of regular action and legitimate winning potential 

Exciting Multiplier Potential: With cloud multipliers ranging up to 250x and the ability to stack across reels, the winning potential is significant 

Flexible Betting Range: With stakes from $0.10 to $100, the game accommodates both casual players and high rollers 

Potential Drawbacks

Theme Might Be Too Sweet for Some: The colorful, candy-themed aesthetic may not appeal to players who prefer more serious or edgy themes 

Full Rainbow Feature Is Challenging to Trigger: Activating all seven reels simultaneously occurs relatively infrequently 

Cluster Pays May Confuse Traditional Players: Those accustomed to payline-based slots might need time to adjust to the cluster mechanics 

No Traditional Free Spins Round: The extra spins are tied to the cloud features rather than a separate bonus round 

Tips for Players

Take Advantage of the Demo Version

Before wagering real money, take advantage of the Double Rainbow demo version available at Neon Royale. This risk-free environment allows you to:

Familiarize yourself with the cluster pays mechanics and cascading reels

Understand how the Rainbow Reels system and multiplier clouds work in practice

Develop a feel for the game's medium volatility and pacing

Determine if the colorful theme and gameplay style suit your preferences

Understanding Cluster Formation

Since Double Rainbow uses cluster pays rather than paylines, it helps to understand that larger clusters generate significantly higher payouts. While a 5-symbol cluster pays only 0.1x your stake, a 15+ symbol cluster pays 50x. This makes the cascading reels feature particularly valuable, as it can create opportunities for larger clusters to form after initial wins clear space on the grid.

Budget Considerations

Given the medium volatility profile, Double Rainbow is relatively forgiving compared to high-volatility slots, but it's still wise to:

Set a budget before you start playing and stick to it

Choose a bet size that allows for a reasonable number of spins

Remember that the Bonus Buy feature, while convenient, comes at a significant cost 

Frequently Asked Questions

What is the RTP of Double Rainbow?

Double Rainbow has a Return to Player (RTP) percentage of 96.38% in its default configuration. When using the Bonus Buy feature, the RTP slightly varies - 96.42% for one Rainbow Spin and 96.32% for four Rainbow Spins.

Can I play Double Rainbow for free?

Yes, you can play a free demo version of Double Rainbow on this page without wagering real money or creating an account. This is an excellent way to familiarize yourself with the game mechanics before playing with real funds.

How do I win in Double Rainbow?

Wins in Double Rainbow are achieved by forming clusters of 5 or more matching symbols adjacent to each other horizontally or vertically. There are no traditional paylines. When a winning cluster is formed, the symbols disappear, and new ones cascade from above, potentially creating additional wins from a single spin.

What is the maximum win in Double Rainbow?

The maximum win potential in Double Rainbow is 5,000 times your total stake. This means if you're betting $100, you could potentially win up to $500,000 during an exceptionally lucky session.

How does the Rainbow Reels system work?

The Rainbow Reels system consists of seven reels, each with an assigned color. When a cloud symbol lands on a reel, it activates that reel's multiplier, which then applies to any wins involving symbols of that reel's color . Multiple clouds can land on the same reel, stacking their multipliers for potentially massive wins.

Is Double Rainbow optimized for mobile play?

Yes, like all Hacksaw Gaming slots, Double Rainbow is fully optimized for mobile devices and performs seamlessly across smartphones and tablets running both iOS and Android operating systems .

Final Verdict: Is Double Rainbow Worth Your Time?

After thoroughly examining every aspect of this game, we can confidently say that Double Rainbow delivers a refreshingly cheerful slot experience that successfully balances innovative features with accessible gameplay. While it may not appeal to players who prefer darker, more serious themes, it executes its colorful concept with polish and precision, resulting in a game that's easy to recommend to the right audience.

The game's true strength lies in its unique Rainbow Reels system that creates dynamic gameplay where each spin can fundamentally change the winning potential . Watching multipliers build across the reels, then seeing them apply to colorful clusters during cascading wins creates a genuinely engaging experience that few similarly themed slots can match.

For players who enjoy cluster-based mechanics, cascading reels, and creative multiplier systems, Double Rainbow represents a solid choice that's likely to provide entertaining sessions. Its medium volatility makes it suitable for longer playing sessions, while the 5,000x maximum win provides legitimate big-win potential.

If you approach Double Rainbow with an appreciation for its whimsical theme and understand that its beauty lies in the steadily building multiplier action rather than constant massive payouts, you'll likely find it a satisfying and visually delightful slot that showcases Hacksaw Gaming's talent for combining innovative mechanics with appealing themes.