Hacksaw Gaming

Double Rainbow

Slots Video Slots Fantasy Star Rainbow Sky Candy

Rainbow Cluster Pays slot with color-linked reel Multipliers and extra spins

SlotRanker Score

/ 99

05099

The SlotRanker Score is calculated from the visible data below. It is not affected by affiliate deals, and it cannot be bought.

How this score is built

RTP

94.53%

return to player

Volatility

Medium volatility

variance

Max win

5,000×

top multiplier

Min bet

$0.20

per spin

Reels

6 lines

Player rating

5.0 ★

11 votes

DEMO Play free, no signup

Hacksaw Gaming

Embed on your site

5.0 / 5

11 ratings

User ratings are shown separately from the Slot Score unless stated otherwise.

Five weighted signals shape the composite. Four context signals refine ties. See how we rate for the full methodology.

Payouts & RTP6/10

RTP 94.53% → 6.0/10

Volatility8/10

medium → 8.0/10

Win Potential7.4/10

x5000.00 (5000×) → 7.4/10

Features10/10

16 features → 10.0/10

Game Mechanics8.6/10

f=16 r=6 p=n/a → 8.6/10

Context signals (tie-breakers)

Layout5/10

6x6 → 5.0/10

Bet Flexibility6/10

0.2–100 (×500) → 6.0/10

Provider Reputation6.6/10

provider avg 6.6 → 6.6/10

Popularity2.5/10

synthetic proxy → 2.5/10

Popularity blends real player search demand (~30 markets) with a catalogue-derived proxy; games without measurable search demand use the proxy alone. Not live play telemetry.

Cite this score

SlotRanker Score: 67 — Double Rainbow by Hacksaw Gaming

https://slotranker.com/hacksaw-gaming/double-rainbow#score

How to cite

Slot Summary

A cluster-pay grid that assigns a Multiplier to each color gives Double Rainbow its central idea. Clouds activate those colored reels, add to their Multipliers, and extend the round, while a Full Rainbow boosts every reel Multiplier together. Hacksaw Gaming rates the game at 3 of 5 for volatility, a middle setting that contrasts with the 5,000x maximum and the large Multiplier swings inside an extended sequence.

How It Plays

Connected matching symbols form Cluster Pays wins, then Cascading removes them and drops replacements into the open positions. The round continues while another winning cluster appears.

Each color has its own reel state and Multiplier, so a result may improve one part of the grid without affecting every symbol. Extra spins preserve active states longer.

Theme & Atmosphere

Rainbow and Sky imagery give the game a bright Fantasy presentation, while Candy-like shapes keep matching clusters readable even when several reel Multipliers are active.

Star symbols and separate color groups provide visual order. The theme therefore helps distinguish each active Multiplier instead of operating as unrelated decoration.

Fantasy Star Rainbow Sky Candy

Features & Win Potential

Cluster Pays and Cascading handle ordinary wins, while Random Multipliers can increase the value assigned to active color groups during an extended result sequence.

Wild Symbols substitute in cluster calculations, and Additional Free Spins give activated Multipliers more time to influence later drops before the current sequence closes.

6 Reels Multiplier Wild Symbol Cascading Respins Cluster Pays Medium volatility 7 Reels Bonus Buy Additional Free Spins RTP range Avalanche Colossal Reels Grid Bonus Bet Random multiplier

Bonus & Free Spins

Bonus Buy options guarantee activated reels, starting Multipliers, and Additional Free Spins at a fixed cost tied to the selected mode and current stake.

The larger option begins with four additional spins, while the smaller begins with one. Both preserve the same Cluster Pays and Multiplier rules as ordinary play.

Spec sheet

Double Rainbow at a glance.

Identity

Slot nameDouble Rainbow

StudioHacksaw Gaming

Released3/9/2022

Math

SlotRanker Score67

RTP94.53%

VolatilityMedium volatility

Max win5,000×

Bet range$0.20 – $100.00

Player rating5.0 / 5 · 11 votes

Format

Reels6

Paylines6

Layout6x6

Expected average based on this slot's 94.53% RTP — individual sessions vary with volatility.

Bet per spin

Spins per hour400

Session length (hours)

Cost per hour$4.38

Cost per session$4.38

Estimate only, for entertainment purposes — treat gambling as entertainment, not a way to make money, and set a budget you can afford to lose.

How long could a bankroll last on Double Rainbow? We simulate thousands of sessions from this game's published RTP and volatility — the long-run math, not a prediction of your next spin.

Bankroll ($)Bet per spin ($)Speed

Volatility tier: Medium

Running simulation…

How this works

Each simulated spin either misses or returns a win drawn from a log-normal distribution, with the hit rate and spread set by the slot's volatility tier (Medium). The model is calibrated so the average return equals this slot's published RTP (94.53%), with wins capped at its top multiplier (5,000×).

This is a simplified, parametric model of the game's math — not its real paytable. It exists to make the house edge visible over many sessions, so the numbers above are averages across thousands of runs, never a forecast of one.

This is math, not a prediction. Real sessions vary wildly, and no strategy changes a game's built-in house edge. Play for fun, set limits, and never bet more than you can afford to lose.

Where to play Double Rainbow

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Compare Double Rainbow with other games

	Double Rainbow Score 67This game	Sugarlicious EveryWay Score 73	Sweet Candy Cash Megaways Score 83	Candy Combo - Power Combo Score 82	Sweet 16 Blast Score 82
Identity
Studio	Hacksaw Gaming	Red Tiger Gaming	Iron Dog Studio	Slingshot Studios	SpinLogic Gaming
Released	3/9/2022	11/23/2023	6/15/2023	8/6/2024	8/9/2022
Math
RTP	94.53%	95.69%	96.2%	96.2%	96.25%
Volatility	Medium volatility	High volatility	Medium volatility	High volatility	—
Max win	5,000×	12,865×	25,000×	10,000×	50,000×
Format
Reels	6	6	6	5	6
Layout	6x6	6x5	6x7	5x3	6x5
Paylines	6	117649	117649	20	—
Min bet	0.2	0.2	0.2	0.2	0.25
Max bet	100	6	20	25	6.25
Features
Progressive	—	—	—	—	—
Wild symbol	✓	—	✓	✓	—
Free spins	—	✓	✓	—	✓
Scatter symbol	—	✓	✓	—	✓
Multiplier	✓	✓	✓	✓	—
Bonus game	—	—	—	✓	—
Respins	✓	—	—	✓	—

Every number is shown as a delta against Double Rainbow.

Comparing against

Double Rainbow

Hacksaw Gaming

RTP

94.53%

Max win

5,000×

Score

Sugarlicious EveryWay

+ Free Spins+ Scatter− Wild− Respins

Sweet Candy Cash Megaways

+ Free Spins+ Scatter− Respins

Candy Combo - Power Combo

+ Free Spins+ Scatter− Wild− Multiplier− Respins

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01How are wins formed in Double Rainbow?

Double Rainbow uses Cluster Pays, so matching connected symbols form wins without following conventional fixed Paylines. Successful clusters clear before replacements arrive.

02What activates a colored reel?

A cloud landing on an inactive color reel activates it, adds a Multiplier, and awards an extra spin for the current sequence.

03What happens when every color is active?

The Full Rainbow effect multiplies all active reel Multipliers and adds five extra spins, concentrating the game's strongest modifier in one event.

04How volatile is Double Rainbow?

Hacksaw Gaming rates Double Rainbow at 3 of 5 for volatility. The cataloged version has 94.53% RTP and a 5,000x maximum win.

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