- General information about Double Rainbow
- Rating of Double Rainbow compared to other slots
- First Impressions of Double Rainbow
- Double Rainbow RTP & Volatility Explained
- Bonus Features
- Explanation of Symbols and Features
- Comparison of Double Rainbow with Other Slots
- Slotsjudge's verdict on the game Double Rainbow
- FAQ
- More Slots Similar to Double Rainbow
Double Rainbow Slot for Free – Demo & Review
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Best Casino Bonus for Real Money on this Slot
Welcome Bonus: max. 100% up to $1,000 + 200 Free Spins + 1 Bonus crab
Get bonus & play this slot
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18+ | New players only | Terms Apply | Please play responsibly |
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Release Date:09.03.2022
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Volatility:
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RTP:96.4%
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Multiplier:Yes
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Max. win:5,000x
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Bonus game:No
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Free spins:Yes
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Scatter Symbol:No
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Wild symbol:Yes
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Symbol Stacked:No
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Jackpot Game:No
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Slot lines:Cluster Pays
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Slot reels:7
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Layout:7-6
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Stakes range ($/€):0.1 to 200
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Slot Theme:Heavens, rainbow
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Technology:HTML5, JS
Rating of Double Rainbow compared to other slots
First Impressions of Double Rainbow
Double Rainbow immediately grabbed our attention with its unapologetic burst of color and charm. The upbeat soundtrack combined with smooth cascading animations creates an inviting atmosphere that feels genuinely enjoyable rather than saccharine. The graphics land solidly by 2024 standards—each candy symbol animates with personality, and the unicorn character adds personality without overdoing the childish angle. What impressed us most was the responsiveness; every spin feels snappy, and bonus features trigger frequently enough to maintain engagement. It's clearly designed for players who want colorful entertainment without the brutal variance of Hacksaw's harder-hitting titles. The cascading wins feel rewarding even in base game, which sets a strong foundation for longer sessions.

Double Rainbow RTP & Volatility Explained
Bonus Features
Double Rainbow's bonus mechanics revolve around cloud symbols and the innovative Full Rainbow feature. The core system works through two cloud types, each generating different outcomes.
Normal clouds activate a reel's multiplier (ranging from 2x up to 250x) and award one additional spin. Double Rainbow clouds—the rarer variant—apply their multiplier across all currently active reels simultaneously and grant three extra spins, creating compound multiplier effects.
Landing these clouds consistently was our experience during play; they appeared frequently enough to feel rewarding without feeling handed out arbitrarily. The Full Rainbow feature activates when all seven reels hold active multipliers. This triggers a powerful multiplier boost (2x to 10x) applied across all active reel multipliers, plus five free spins where all reels remain active. We triggered this feature multiple times across test sessions, and each occurrence delivered genuinely thrilling moments.
The bonus buy feature offers two tiers: a 10x cost for guaranteed activation with three reels at 4x multipliers, or 50x cost for four guaranteed activations with more free spins attached. These feel positioned toward impatient players rather than necessary components.

Explanation of Symbols and Features
The symbol palette reflects the candy-party aesthetic. High-value symbols include the rainbow-haired unicorn (the standout character), various colorful candies styled as lollipops and gumdrops, and cloud formations. Card values J, Q, K, and A appear in pastel colors maintaining visual consistency.
Scatter symbols trigger free spins and function independently from the cluster system. Wild symbols substitute for regular symbols naturally or through cloud-activated reel multipliers. The cluster formation requires five or more matching symbols connected horizontally or vertically to generate payouts. The 7x6 grid offers substantial symbol combinations—the system avoids feeling restrictive even when matching symbols feel elusive.

Comparison of Double Rainbow with Other Slots
| Parameter | Double Rainbow | Chaos Crew | Dork Unit | Wanted Dead or a Wild |
| Release Year | 2024 | 2020 | 2023 | 2022 |
| RTP | 96.38% | 96.3% | 96%+ | 96.38% |
| Volatility | Medium (3/5) | Very High (5/5) | Medium | High (4/5) |
| Max Win | 5,000x | 20,000x+ | 10,000x | 12,500x |
| Reels/Grid | 7×6 | 5×5 | Variable | 5×5 |
| Theme | Candy/Fantasy | Street/Punk | Comedy | Western |
| Free Spins | Yes | Yes | Yes | Yes |
| Mobile | Yes | Yes | Yes | Yes |
| Provider | Hacksaw Gaming | Hacksaw Gaming | Hacksaw Gaming | Hacksaw Gaming |
FAQ
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What is the RTP of Double Rainbow slot?
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Double Rainbow carries a 96.38% RTP, considered above average. Alternative versions at lower RTPs exist for certain jurisdictions.
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Can I play Double Rainbow for free?
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Yes, most online casinos and slot review sites offer free demo play without deposits required. Test gameplay risk-free before committing real money.
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How do I trigger the free spins bonus?
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The Full Rainbow feature activates when all seven reels have active multipliers simultaneously. Free spins quantity depends on which cloud symbols landed. Landing three scatters also triggers spins in certain configurations.
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What's the maximum win potential?
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The game offers up to 5,000x your stake through optimal cascading combinations paired with multiplier clouds during extended sequences.
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Is Double Rainbow different from other Hacksaw slots?
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Yes—the candy theme represents a departure from Hacksaw's darker, edgier aesthetic. Reel-specific multipliers and the Full Rainbow feature offer mechanical depth not present in most competing slots, though maximum win potential remains conservative compared to Chaos Crew or Wanted Dead or a Wild.
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How often do bonus features trigger?
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During our testing, cloud symbols appeared regularly (roughly every 8-15 spins), making bonus features a consistent part of gameplay rather than a rare occurrence. The frequency balanced well for sustained engagement.
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