Clawbuster

Rainbow Bonanza

High-volatility Rainbow slot with persistent multiplier frames

SlotRanker Score
66
/ 99
66
05099

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

RTP
94.01%
return to player
Volatility
High volatility
variance
Max win
10,000×
top multiplier
Min bet
$1.00
per spin
Reels
6
Pay Anywhere lines
Player rating
4.9 ★
5 votes
DEMO Play free, no signup
Clawbuster
Rainbow Bonanza
Embed on your site
4.9 / 5
5 ratings
Sign in to rate this slot and earn points.

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

Why this score

High confidence (100%)

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

Slot score profile across 5 weighted categoriesPayouts & RTP6/10RTP 94.01% → 6.0/10Volatility9/10high → 9.0/10Win Potential8/10x10000.00 (10000×)…Features9.5/1012 features → 9.5/10Game Mechanics7.4/10f=12 r=6 p=n/a →…
Payouts & RTP6/10
RTP 94.01% → 6.0/10
Volatility9/10
high → 9.0/10
Win Potential8/10
x10000.00 (10000×) → 8.0/10
Features9.5/10
12 features → 9.5/10
Game Mechanics7.4/10
f=12 r=6 p=n/a → 7.3/10
Context signals (tie-breakers)
Layout5/10
6x5 → 5.0/10
1–250 (×250) → 6.0/10
provider avg 6.2 → 6.2/10
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: 66 — Rainbow Bonanza by Clawbuster

https://slotranker.com/clawbuster/rainbow-bonanza#score
How to cite

Slot Summary

A six-reel, five-row grid that clears winning groups sets Rainbow Bonanza apart from Clawbuster's line-based slots. Its 94.01% RTP accompanies high volatility, while Cascading wins repeatedly feed multiplier frames during the same paid spin. Bomb modifiers can raise every active frame together, and Free Spins preserve those values, turning persistence into the game's main source of escalating potential.
MechanicsCascades double frames before Free Spins preserve them

How It Plays

Winning groups require at least eight connected matching symbols. Those symbols disappear after payment, and replacements fall into the empty spaces, allowing further results from the same paid spin.

This Cascading sequence matters because a framed winning position can strengthen before the round ends. A bomb modifier can then multiply all active frames before another refill occurs.

Theme & Atmosphere

Fantasy and Rainbow imagery soften the appearance of a game with a high-volatility profile. Clouds, a fairy character, and bright fruit symbols give the grid a playful surface.

The Rainbow theme also has a mechanical purpose. It identifies the multiplier frames and bomb effects that change values, connecting the visual subject directly to the payout system.

Features & Win Potential

Cascading wins remove successful symbols and refill the grid. Multiplier frames double when their positions participate in a win, allowing several increases during one paid spin.

Random Multiplier effects can improve all active frames at once. Pay Anywhere evaluation keeps those modifiers relevant across the grid instead of restricting their value to fixed paylines.

Bonus & Free Spins

Three Scatter Symbols award 10 Free Spins. Multiplier frames already present remain active between those spins, retain their values, and can continue increasing through later Cascades.

Additional Free Spins come from new Scatter Symbols during the round, with each qualifying Scatter adding 1 spin. The persistent Free Spins Multiplier is therefore the bonus's central distinction.

Spec sheet
Rainbow Bonanza at a glance.
Identity
Slot nameRainbow Bonanza
Released12/19/2025
Math
SlotRanker Score66
RTP94.01%
VolatilityHigh volatility
Max win10,000×
Bet range$1.00 – $250.00
Player rating4.9 / 5 · 5 votes
Format
Reels6
PaylinesPay Anywhere
Layout6x5

True Cost to Play

Expected average based on this slot's 94.01% RTP — individual sessions vary with volatility.

Cost per hour$23.96
Cost per session$23.96

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

Bankroll survival simulator

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

Volatility tier: High

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 (High). The model is calibrated so the average return equals this slot's published RTP (94.01%), with wins capped at its top multiplier (10,000×).

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 Rainbow Bonanza

No matching casinos for your region yet

Casino availability depends on where you play from. We only show casinos that accept players from your country.

Compare Rainbow Bonanza with other games

Rainbow Bonanza
Rainbow Bonanza
Score 66This game
Super Rainbow MegawaysSuper Rainbow Megaways
Score 88
Wild Link RichesWild Link Riches
Score 82
24k Gold Shamrock On!24k Gold Shamrock On!
Score 81
Stumpy McDoodlesStumpy McDoodles
Score 81
Identity
Studio
Released12/19/20253/9/20226/23/20233/13/202512/13/2019
Math
RTP94.01%96.13%96.43%96.1%96.26%
VolatilityHigh volatilityHigh volatilityHigh volatilityHigh volatilityMedium/High
Max win10,000×35,000×5,000×5,863×—
Format
Reels66555
Layout6x56x75x35x45x3
PaylinesPay Anywhere200704202332820
Min bet10.20.20.30.2
Max bet25025503060
Features
Progressive—✓———
Wild symbol—✓✓✓✓
Free spins✓✓✓✓✓
Scatter symbol✓✓✓✓✓
Multiplier✓✓✓——
Bonus game——✓✓—
Respins——✓—✓

Explore More Games with Similar RTP

GameProviderRTPVolatilityMax winScore
Carnival Cow Coin ComboCarnival Cow Coin Combo93.97%High volatility30,000×71
Dream Drop DiamondsDream Drop Diamonds93.98%High volatility10,640×66
Flying HippoFlying Hippo
Pragmatic Play This provider has been reviewed and approved by the SlotRanker team. What does this mean?
93.99%High volatility5,000×69
The Runemakers DoubleMaxThe Runemakers DoubleMax94%High volatility15,000×79
Rainbow BonanzaRainbow Bonanza94.01%High volatility10,000×66
Skate or DieSkate or Die94.01%High volatility30,000×77
Rock BottomRock Bottom94.02%High volatility19,960×78
San Quentin 2San Quentin 294.03%High volatility200,000×76
I Hate FairytalesI Hate Fairytales94.04%High volatility33,934×78
Cash TruckCash Truck94.05%High volatility25,000×76
Champions of OlympusChampions of Olympus94.06%High volatility12,500×75

Questions & Answers

Rainbow Bonanza FAQ

4 questions

Rainbow Bonanza has a listed RTP of 94.01%. It is classified as high volatility, with supplied maximum win potential of x10000.00.

Eight or more matching symbols must connect on the six-reel, five-row grid. Winning symbols disappear, allowing replacements to fall into the cleared positions.

When a winning symbol occupies a framed position, that frame doubles its current multiplier. Active frames normally clear when the paid spin ends.

Multiplier frames persist between Free Spins and can keep doubling during later Cascades. Additional Scatter Symbols can also add another spin to the round.

No player notes yet
Be the first to share your experience with this slot.