Double Rainbow is a vibrant online slot from Hacksaw Gaming that features a unique seven-reel, six-row layout with a cluster pays system. The game immerses players in a colorful candy-themed world, where each reel corresponds to one of the seven colors of the rainbow. Wins are formed by clusters of five or more matching symbols arranged horizontally or vertically, triggering cascades that remove winning symbols and allow new ones to fall into place for potential additional wins. The slot offers medium volatility and a solid RTP of 96.38%, which can slightly increase when activating the bonus buy feature.
The gameplay is enriched by several distinctive features, including multiplier clouds that activate reel multipliers ranging from 2x up to 250x, wild symbols that substitute for other symbols to complete clusters, and the Full Rainbow feature, which multiplies all active reel multipliers and awards free spins when all seven reels are activated simultaneously. Players can also choose to buy bonus spins with guaranteed activated reels and multipliers, adding strategic depth to the experience. Bets range from $0.10 to $100 per spin, and the maximum win can reach up to 5,000 times the stake. Despite its playful and candy-inspired aesthetic, Double Rainbow delivers a well-balanced mix of engaging mechanics and rewarding potential, making it a standout title in Hacksaw Gaming’s portfolio.
| Attribute | Details |
|---|---|
| Provider | Hacksaw Gaming |
| Release Date | March 2022 |
| Game Type | Video Slot with Cluster Pays |
| Theme | Candy, Rainbow, Clouds, Unicorn |
| Reels | 7 |
| Reel Configuration | 7 reels × 6 rows |
| Paylines | Cluster pays system (wins from 5+ matching symbols adjacent horizontally or vertically) |
| Volatility | Medium (3 out of 5) |
| RTP | 96.38% (varies with jurisdiction and bonus buy options, up to 96.41%) |
| Hit Frequency | Moderate (cluster wins with cascades) |
| Min. Bet | $0.10 |
| Max. Bet | $100 (some casinos allow up to €1,500) |
| Wild Symbol | Yes (Lightning bolt symbol substituting other symbols) |
| Scatter Symbol | No traditional scatter, bonus features triggered by Cloud symbols |
| Free Spins | Yes (awarded via Multiplier Clouds and Full Rainbow feature, up to +5 additional spins) |
| Bonus Features | Rainbow Reels, Multiplier Clouds (Normal and Double Rainbow Clouds), Full Rainbow, Cascades |
| Multiplier | Reel multipliers from x2 up to x250, Full Rainbow multiplies all active reel multipliers by x2 to x10 |
| Bonus Buy | Yes (two options: 1 Rainbow Spin for 10x bet, 4 Rainbow Spins for 50x bet) |
| Compatibility | Desktop, Mobile, Tablet (HTML5) |
| Max Win | Up to 5,000× the stake |
| Cascading Reels | Yes (winning clusters removed and replaced for potential consecutive wins) |
| Cluster Size for Win | Minimum 5 matching symbols |
Double Rainbow stands out for its inventive bonus features and rewarding mechanics, making it more than just a visually appealing slot. The game’s features are centered around activating reel multipliers, earning free spins, and maximizing cluster wins through special cloud symbols. Players will encounter two types of multiplier clouds-Normal Cloud and Double Rainbow Cloud-each offering different multiplier values and free spin rewards. When all seven rainbow reels are activated, the Full Rainbow feature comes into play, multiplying all active reel multipliers and awarding additional free spins. These elements, combined with cascading reels and the option to buy bonus spins, create a dynamic and engaging experience that appeals to both casual and experienced slot enthusiasts.
The Normal Cloud feature in Double Rainbow introduces an innovative layer of excitement by activating reel multipliers that significantly enhance winning potential. When a Normal Cloud symbol appears on a reel, it activates that reel’s multiplier, which can range from 2x up to 10x. These multipliers apply to all cluster wins on the activated reels, increasing the payout for each winning combination. This feature encourages players to aim for activating multiple reels simultaneously, as stacking multipliers across several reels can lead to substantial rewards. The Normal Cloud multipliers also trigger free spins when three or more clouds are active, adding further opportunities for extended gameplay without additional bets. By integrating this feature, Double Rainbow elevates the traditional slot experience, rewarding strategic play and patience while maintaining an engaging pace through cascading wins and colorful animations.
The Double Rainbow Cloud feature represents a premium upgrade to the Normal Cloud multipliers, offering even higher multiplier values and greater rewards. When a Double Rainbow Cloud lands on a reel, it activates a multiplier that ranges from 2x up to an impressive 250x, dramatically increasing the stakes and potential returns. This feature is rarer but more lucrative, creating moments of heightened anticipation and excitement. Similar to the Normal Cloud, activating multiple Double Rainbow Clouds simultaneously multiplies the cluster wins on those reels, exponentially boosting payouts. Additionally, the appearance of three or more Double Rainbow Clouds triggers a free spins round, granting players extra chances to capitalize on the boosted multipliers. This feature adds depth and variety to the gameplay, appealing to players who seek high volatility and the thrill of chasing substantial jackpot-style wins within a visually captivating environment.
The Full Rainbow feature is the pinnacle of the Double Rainbow slot’s bonus mechanics, delivering a powerful combination of multipliers and free spins that can transform the gameplay experience. This feature activates when all seven reels are simultaneously triggered by either Normal or Double Rainbow Clouds, completing the entire rainbow spectrum. Upon activation, the Full Rainbow multiplies all active reel multipliers by a factor ranging from 2x to 10x, effectively amplifying every cluster win across the reels. In addition to this significant multiplier boost, players are awarded free spins, extending the session and increasing the opportunity for consecutive wins without additional wagers. The Full Rainbow feature represents a strategic goal for players, combining visual spectacle with rewarding mechanics that reinforce Hacksaw Gaming’s commitment to innovative slot design. It offers a rare but highly rewarding moment that can lead to some of the highest payouts in the game.
Playing Double Rainbow is straightforward but offers plenty of depth through its unique cluster pays and multiplier features. Before spinning, players select their preferred bet size, then aim to form clusters of five or more matching symbols to trigger wins. The game’s cascading reels and multiplier clouds add dynamic layers to each spin, enhancing both excitement and winning potential. Below are the essential steps to get started and enjoy the full Double Rainbow experience.
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