Double Rainbow is an online slot game developed by Hacksaw Gaming that offers a vibrant and engaging experience with its seven-reel setup and cluster pay mechanics. The game is visually themed around a whimsical fantasy world filled with rainbows, clouds, and candy-like symbols, creating a colorful and playful atmosphere. Players can enjoy medium volatility gameplay with an RTP around 96.38%, making it a balanced choice for those seeking both excitement and reasonable winning opportunities. The slot features unique mechanics such as cascading reels, where winning clusters disappear to allow new symbols to fall, potentially creating consecutive wins. A standout feature is the Rainbow Reels system, where multiplier clouds activate reel multipliers ranging from 2x up to 250x, significantly boosting potential payouts. Activating all seven Rainbow Reels triggers the Full Rainbow bonus, multiplying all reel multipliers further and awarding additional free spins. Players also have the option to buy bonus spins, enhancing the gameplay experience. Overall, Double Rainbow combines charming visuals with dynamic multiplier features and cluster pays, offering a fresh take on the candy-themed slot genre with the potential for wins up to 5,000 times the stake.
Double Rainbow by Hacksaw Gaming is a visually striking slot that combines cluster pays with innovative multiplier mechanics across a 7×6 grid. Featuring seven reels, each themed with a distinct rainbow color, the game offers medium volatility and an RTP of 96.38%, providing balanced gameplay with a promising hit frequency. Players aim to form clusters of five or more matching symbols horizontally or vertically, triggering cascading wins. The game’s standout features include Rainbow Reels with reel-specific multipliers activated by cloud symbols, a Full Rainbow bonus that multiplies all reel multipliers and awards extra free spins, and a Bonus Buy option for immediate access to these features. With a betting range suitable for all players and a maximum win potential of 5,000 times the stake, Double Rainbow delivers a fresh and engaging slot experience.
| Attribute | Details |
|---|---|
| Provider | Hacksaw Gaming |
| Release Date | September 2022 |
| Game Type | Video Slot, Cluster Pays |
| Theme | Rainbow, Fantasy, Candy-like Symbols |
| Reels | 7 |
| Reel Configuration | 7×6 grid |
| Paylines | Cluster Pays (5+ connected symbols) |
| Volatility | Medium |
| RTP | 96.38% |
| Hit Frequency | Approximately 39.5% |
| Min. Bet | £0.10 |
| Max. Bet | £100 |
| Wild Symbol | Lightning bolt with "Wild" text (substitutes for standard symbols) |
| Scatter Symbol | None (cloud symbols trigger multipliers and bonuses) |
| Free Spins | Awarded via cloud symbols and Full Rainbow feature (up to +5 additional spins) |
| Bonus Features | Rainbow Reels with reel multipliers, Multiplier Clouds (normal and Double Rainbow Clouds), Full Rainbow feature |
| Multiplier | Reel multipliers from x2 up to x250, Full Rainbow multiplies all reel multipliers by up to x10 |
| Bonus Buy | Available: 1 Rainbow Spin (10x bet), 4 Rainbow Spins (50x bet) |
| Max Win | 5,000× stake |
| Cascading Reels | Yes |
| Autoplay | Yes |
| Compatibility | Desktop, Mobile, Tablet (HTML5) |
Double Rainbow features a 7×6 grid with a cluster pays system, requiring players to form clusters of five or more matching symbols either horizontally or vertically to win. Winning clusters trigger cascading reels, where winning symbols vanish and new ones fall into place, potentially creating consecutive wins. A key mechanic is the Rainbow Reels feature, where each of the seven reels corresponds to a rainbow color and can be activated by landing cloud symbols. These clouds add multipliers to their respective reels, ranging from 2x up to 250x. There are two types of multiplier clouds: Normal Clouds activate individual reel multipliers and award one free spin, while Double Rainbow Clouds multiply all active reel multipliers and grant three free spins. Activating all seven reels simultaneously triggers the Full Rainbow feature, multiplying all reel multipliers further and awarding five additional free spins. Players can also purchase bonus spins directly via the Bonus Buy option, allowing immediate access to these multiplier features and free spins.
Double Rainbow embraces a bright, candy-inspired fantasy theme centered around the vivid colors of the rainbow. The reels are set against a backdrop of fluffy white clouds and pastel skies, with a whimsical rainbow weaving through the scene and a rainbow-haired unicorn adding charm to the display. Symbols consist of colorful geometric shapes resembling candy pieces, all uniformly valued to maintain simplicity. The overall visual style is playful and vibrant, designed to evoke a sense of joy and lightheartedness. While the theme may feel somewhat childlike to some, it is polished with smooth animations and a soft color palette that appeals to players who enjoy cheerful, visually rich slots. The graphics are crisp and detailed, with the rainbow and cloud motifs integral to both the aesthetic and gameplay mechanics.
Built with HTML5 technology, Double Rainbow is fully optimized for mobile play and performs seamlessly across all modern devices, including iOS and Android smartphones and tablets. The cluster pays and cascading reels mechanics translate well to smaller screens, maintaining clarity and ease of interaction. The game’s interface is responsive, allowing players to adjust bets, activate autoplay, and navigate the paytable effortlessly on mobile devices. Playing in portrait mode on mobile can reduce visual clutter by focusing more on the reels themselves, which some players may prefer. Overall, the slot offers a smooth and engaging experience on mobile, matching the desktop quality without compromising on features or graphics.
Double Rainbow is developed by Hacksaw Gaming, a Malta-based gaming studio founded in 2017. Initially focused on scratchcards, Hacksaw Gaming quickly expanded into video slots and has built a strong reputation for innovative, mobile-first casino games. The company is known for combining creative themes with unique mechanics and high-quality graphics. Hacksaw Gaming holds licenses in multiple regulated markets, including the UK and Malta, and emphasizes compliance and fairness with independently tested RNGs. The developer’s portfolio includes over 90 titles, with a focus on delivering engaging gameplay and optimized mobile performance. Hacksaw Gaming continues to grow globally, partnering with major operators and expanding into new jurisdictions while maintaining a commitment to innovation and player satisfaction.
Double Rainbow stands out for its dynamic bonus features and inventive use of multipliers, designed to keep gameplay engaging and rewarding. The slot centers around special cloud symbols that trigger reel multipliers, offering two types: Normal Clouds and Double Rainbow Clouds. Normal Clouds add a multiplier to the reel and award a free spin, while Double Rainbow Clouds boost all active reel multipliers and grant three free spins. The Rainbow Reels feature allows each of the seven reels to be activated with its own multiplier, and when all are active, the Full Rainbow feature is triggered. This multiplies all reel multipliers and awards five extra free spins, significantly increasing win potential. Additionally, players can access bonus spins instantly through the Bonus Buy option, providing immediate entry to the slot’s most lucrative features. With cascading reels, wild symbols, and a cluster pays mechanic, Double Rainbow delivers a rich array of bonus elements that elevate the overall gaming experience.
Double Rainbow offers a range of engaging special features that enhance the gameplay and increase winning potential. The core mechanic revolves around the Rainbow Reels system, where each of the seven reels corresponds to a different color of the rainbow and can be activated by landing cloud symbols. When a cloud lands on a reel, it triggers a reel multiplier that applies to all wins of that reel’s color. These multipliers can range from 2x up to a massive 250x, and if a reel already has an active multiplier, new values are added to it. There are two types of cloud symbols: Normal Clouds, which activate a reel multiplier and award one free spin, and Double Rainbow Clouds, which add multipliers to all active reels and grant three free spins. The cascading reels mechanic complements this by removing winning clusters and allowing new symbols to fall, potentially creating chain reactions. The combination of multipliers and cascading wins makes the gameplay dynamic and rewarding.
Double Rainbow does not have traditional bonus rounds triggered by scatter symbols or separate mini-games. Instead, its bonus content is integrated into the core gameplay through the multiplier clouds and the Full Rainbow feature. The Full Rainbow bonus activates when all seven Rainbow Reels are simultaneously active, multiplying all reel multipliers by an additional factor of 2x, 3x, 4x, 5x, or 10x. This feature also awards five extra free spins with all activated reels, significantly boosting the chance for big wins. Free spins are also awarded when landing Normal Clouds (one free spin) and Double Rainbow Clouds (three free spins), but these spins are tied directly to the multiplier activation rather than a separate bonus round. Additionally, players outside the UK can use the Bonus Buy feature to purchase immediate access to Rainbow Spins, offering either one spin with three activated reels or four spins with multipliers, providing a shortcut to the slot’s most lucrative features.
Double Rainbow has a standard RTP (Return to Player) of approximately 96.38%, which is slightly above the industry average of 96%. However, this RTP can vary depending on the jurisdiction and casino, with versions ranging from as high as 96.42% when using certain bonus buy options, down to as low as 88.38% in some cases. Players should check the specific RTP offered by their chosen casino before playing. The slot features medium volatility, meaning it offers a balanced blend of win frequency and payout size. Wins tend to occur with moderate regularity, but they are generally not extremely large, making the game suitable for players who prefer steady gameplay rather than high-risk, high-reward scenarios. This medium volatility combined with the cluster pays and multiplier features delivers an engaging experience with the potential for wins up to 5,000 times the stake.
Double Rainbow uses a colorful set of symbols designed to match its vibrant rainbow theme. The game relies on cluster pays rather than traditional paylines, meaning wins are achieved by landing groups of five or more matching symbols adjacent horizontally or vertically. The symbols are uniformly valued, with no high or low symbol hierarchy, focusing instead on the size of the cluster to determine payouts. The wild symbol, represented by a lightning bolt, substitutes for all standard symbols to help complete winning clusters. Unlike many slots, Double Rainbow does not feature scatter symbols. Below is a detailed overview of the main symbols and their winning combinations based on cluster size.
| Symbol | Description | Winning Combinations (Cluster Size) | Payout Notes |
|---|---|---|---|
| Lightning Wild | Wild symbol, substitutes others | Part of any cluster | Helps complete clusters, no standalone payout |
| Red Candy | Red geometric candy piece | 5+ symbols | Payout increases with cluster size |
| Orange Candy | Orange geometric candy piece | 5+ symbols | Payout increases with cluster size |
| Yellow Candy | Yellow geometric candy piece | 5+ symbols | Payout increases with cluster size |
| Green Candy | Green geometric candy piece | 5+ symbols | Payout increases with cluster size |
| Blue Candy | Blue geometric candy piece | 5+ symbols | Payout increases with cluster size |
| Purple Candy | Purple geometric candy piece | 5+ symbols | Payout increases with cluster size |
Winning clusters start from a minimum of five connected symbols either horizontally or vertically. Larger clusters yield higher payouts, and multipliers from the Rainbow Reels feature can significantly boost these wins. The wild symbol increases the chance of forming winning clusters but does not have a fixed payout on its own. This uniform symbol valuation and cluster mechanic create a straightforward yet engaging paytable structure.
All users have the opportunity to try the Double Rainbow demo version of this slot directly at the top of this page. The Double Rainbow demo is completely free to play and allows you to experience all the features, mechanics, and bonus elements without risking any real money. This is an ideal way to get familiar with the gameplay, understand how the cluster pays and multipliers work, and see how the bonus features are triggered. Trying the Double Rainbow demo is highly recommended before you decide to play for real money, as it helps you develop a strategy and get comfortable with the slot’s unique mechanics. The demo version provides a risk-free environment to explore everything Double Rainbow has to offer.
Playing Double Rainbow is straightforward, making it accessible for both new and experienced slot players. The game uses a cluster pays system on a 7×6 grid, with special multiplier features that add excitement to each spin. Before starting, players can adjust their bet size to suit their budget, then spin the reels to try and land winning clusters. The interface includes easy-to-use controls and a menu for accessing game rules and paytable information.
Developing a specific strategy for Double Rainbow can be challenging due to its cluster pays system and random multiplier features. The game’s medium volatility and cascading reels mean that wins can come in streaks but are not guaranteed on every spin. A practical approach is to manage your bankroll carefully, setting consistent bets within your comfort zone to maximize playtime and increase the chance of triggering multipliers and free spins. Since the multiplier clouds and Full Rainbow feature greatly influence payouts, patience and steady betting often work better than chasing big wins with erratic wagers.
Popular slot strategies that players often apply include the flat betting system, where you keep your bet size consistent to avoid emotional swings and extend gameplay. The reverse Martingale strategy involves increasing your bet after wins to capitalize on streaks while returning to the base bet after losses. Another common tactic is the levels betting strategy, which adjusts bets based on recent wins and losses to recover from dry spells. Regardless of the approach, understanding the game’s mechanics and volatility is key to making informed betting decisions in Double Rainbow.
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Double Rainbow by Hacksaw Gaming delivers a lively and visually captivating slot experience, making it a solid choice for players who appreciate colorful themes and innovative mechanics. The game’s 7×6 cluster pays grid, combined with cascading reels, ensures that every spin has the potential for consecutive wins and engaging gameplay. Its standout features-Rainbow Reels, multiplier clouds, and the Full Rainbow bonus-add depth and excitement, especially when multiple multipliers align for bigger payouts. With a medium volatility level and a competitive RTP around 96.38%, Double Rainbow offers balanced risk and reward, appealing to a broad audience. The maximum win potential of 5,000x the stake is respectable, even if not the highest in the Hacksaw portfolio. The slot’s intuitive design, smooth mobile compatibility, and accessible demo mode make it easy for both newcomers and experienced players to enjoy. Overall, Double Rainbow stands out for its cheerful presentation, rewarding features, and approachable gameplay, making it a worthwhile addition to any slot enthusiast’s rotation.
Yes, Double Rainbow is considered a good slot thanks to its engaging cluster pays system, dynamic multiplier features, and balanced medium volatility, offering a fun and rewarding experience for many players.
Yes, Double Rainbow pays real money when played at licensed online casinos with real wagers, allowing players to win up to 5,000 times their stake.
Yes, Double Rainbow is a legitimate slot developed by Hacksaw Gaming, a licensed and regulated provider whose games are tested for fairness and use certified random number generators.