5 key figures

Gems Bonanza by Pragmatic Play - your Leonbet guide

Pragmatic Play's cluster-pays grid game with tumbling reels and a progressive bonus round that multiplies wins up to 10x. Play at 96.55% RTP with high volatility.

Claim bonus Trusted by 363,000+ players

Aztec-themed grid slot with cascading cluster mechanics

Gems Bonanza uses clusters, not lines. Gems Bonanza spreads across an 8-column, 8-row grid where clusters of touching symbols—horizontally or vertically—form your wins instead of paylines. Six coloured gems (ruby, purple, emerald, turquoise, amber and magenta) land on the reels. After each winning cluster lands, the grid tumbles: symbols drop to fill empty spaces and fresh symbols fall in from the top, giving you multiple chances to win in a single spin. Released in 2020 by Pragmatic Play, the slot carries an Aztec treasure theme. High volatility means wins come less often but can land at larger amounts.

Who finds the right fit in this slot? This slot suits players who enjoy extended play sessions with the chance of bigger payouts, especially those who back high-volatility games. Bets run from NZ$0.20 to NZ$240, so you can set a stake that matches your budget. The tumble feature and random spin modifiers keep base-game rounds active. If you prefer frequent, predictable wins or shorter sessions, the gaps between wins here may not suit your play style.

Tumble and spin modifiers drive base-game action. Tumble is the feature that defines each round. Whenever a cluster of five or more matching symbols connects, those symbols clear and the rest fall down as new symbols drop in from above. This cascade can trigger additional wins without you placing another bet. Random coloured marks on the grid can activate one of five spin modifiers—Nuclear, Wild Gem, Squares, Colossal Symbol or Lucky Wilds—each designed to boost your chance of landing the next cluster. The tumble cycle repeats until no fresh clusters form.

Understanding the game

From studio to grid: the core facts

When you arrive at this slot and want to know what you are about to play

Pragmatic Play

StudioPragmatic Play

RTP96.55%

Win frequencyhigh

Grid layout8x8

Gems Bonanza

Release01/10/2020

5 steps to a spin

How does one round of Gems Bonanza play out?

Follow a round from your first bet choice through to the bonus trigger or session close.

From low stakes to high

You select your bet before the reels turn. Gems Bonanza lets you stake anywhere from NZ$0.20 up to NZ$240 per spin, matching your comfort with how much is in play on each turn.

Clusters pay across the grid

Winning symbols land as clusters on the 8x8 grid: five or more of the same gem touching horizontally or vertically create a payout. The reels then tumble and refill, and any new clusters that form will also win.

What triggers the modifiers?

During play, random colored marks can land on the grid after a win. When this happens, one of five spin modifiers fires next: Nuclear, Wild Gem, Squares, Colossal Symbol, or Lucky Wilds, each reshaping what lands on the reels.

Reaching the five-level bonus

Gold Fever bonus unlocks when you collect 114 winning symbols in one base spin. This launches a five-level round where all five modifiers play in order, and your multiplier climbs from 2x up to 10x.

Gems Bonanza and your limits

Before you spin, set a loss limit or session time reminder through Leonbet Casino. These tools help you manage your session length and spending so play stays in your control.

The game unfolds

Moving through a round of Gems Bonanza

Show all

Eight by eight grid with coloured gems

Marked squares glow after a winning tumble

Cluster of matching gems turns to credits

6 winning symbols

When gems land on your reels

These payouts show what you win at NZ$0.20 per spin; more matching symbols in a cluster increase your payout.

Top payers

Red ruby5+ NZ$0.10 · 25+ NZ$100

Purple gem5+ NZ$0.05 · 25+ NZ$50

Green emerald5+ NZ$0.03 · 25+ NZ$30

Lower values

Teal gem5+ NZ$0.03 · 25+ NZ$15

Orange gem5+ NZ$0.02 · 25+ NZ$10

Pink gem5+ NZ$0.01 · 25+ NZ$7.50

Gold Fever and base game features

Before and after: base game to bonus round. Gold Fever is a five-level bonus round triggered by collecting 114 winning symbols in one base spin, or bought for 100x your total bet. Each level plays all five spin modifiers in a fixed sequence: Nuclear, Wild Gem, Squares, Colossal Symbol, and Lucky Wilds. Your win multiplier rises from 2x through to 10x across the five levels.

Gems Bonanza tumble and modifier mechanics. The base game runs on an 8x8 grid where five or more matching gems connected horizontally or vertically create a winning cluster. After each win, the grid tumbles and refills. Random coloured marks can activate one of five spin modifiers—Nuclear, Wild Gem, Squares, Colossal Symbol, or Lucky Wilds—when a winning cluster lands on a marked square.

Understanding the house edge

What does the 96.55% RTP mean in money?

RTP is a long-run average calculated over millions of spins. The 96.55% figure applies to the standard game and shows what the slot returns to players over time, not what you will win in any single session.

RTP 96.55% · Standard game

Average payoutNZ$96.55

House keeps per NZ$100NZ$3.45

Knowing what you cannot know about Gems Bonanza

When will your bonus round come? The Gold Fever bonus round is triggered by symbol collection in base play, but when it arrives depends entirely on chance. No player can predict whether it will come within ten spins or a hundred.

Your session versus the average. The RTP of 96.55% describes results across millions of spins, not your next session. Your actual outcome in one sitting could be far better or far worse than any average.

Why maximum wins stay rare? The maximum win possible at Gems Bonanza is extremely high, but reaching it is extraordinarily rare. Treat the ceiling as a figure that defines the game's range, not a target you can reasonably expect.

When you want instant access

Can you buy your way into Gold Fever?

See all

18+Discover what paying to trigger the bonus round costs and what it delivers.

NZ$500 (x100)

Fast track to the bonus

You can buy Gold Fever directly for NZ$500 at a NZ$5 bet, skipping the base game and moving straight to the five-level bonus round with rising multipliers up to 10x.

Gems Bonanza demo mode

Try Gems Bonanza without spending

Leonbet Casino lets you spin the reels free to learn how the game works before your first bet.

Gems Bonanza demo play

The demo gives you unlimited credits to spin through all the features, see how tumbles reshape the reels, and watch the marked squares trigger spin modifiers. You learn the game risk-free and keep no winnings.

Play demo

Ready to play for real

Real-money play stakes your own funds on each spin. Your wins and losses are real, and you can trigger the Gold Fever bonus by collecting symbols or by buying it. Every bet counts toward your limits.

Play for money

From the same maker: cluster-pays alternatives

Show all

Pragmatic PlayGates of Olympus POP

Pragmatic PlayJade Legends

Pragmatic PlayLucky Dog

Pragmatic PlayMuertos Multiplier Megaways

Pragmatic PlayBig Bass Halloween 2

Pragmatic Play7 Clovers of Fortune

Pragmatic PlayJohn Hunter and the Tomb of the Scarab Queen

Pragmatic PlayBig Bass Christmas – Frozen Lake

Gems Bonanza essentials

What do players ask about Gems Bonanza?

learned what demo mode shows you, what the bonus costs, and how RTP applies to your bets

Can you play Gems Bonanza in demo mode at Leonbet Casino?+

Yes. The demo section of this page lets you spin the 8x8 grid without staking money and without winning real cash. Demo play shows you how the grid fills, how clusters form, and how tumble works, giving you a clear picture before you place your first real bet.

What is the maximum win you can get on Gems Bonanza?+

Gems Bonanza does not publish a fixed maximum win figure. The bonus round stacks multipliers up to 10x your spin bet across five levels, but the highest payout on any single spin depends on the symbols that land and how they cluster together during your session.

Do you need to buy the Gold Fever bonus round on Gems Bonanza?+

No. Gold Fever triggers by collecting 114 winning symbols during a base game spin at no extra cost. You can also buy it outright for 100 times your total bet if you want to start the bonus immediately instead of waiting for the symbols to land.

What RTP applies when you play Gems Bonanza?+

Gems Bonanza returns 96.55% to players over time in the standard game. This figure means that for every NZ$100 staked across many spins, the slot pays back NZ$96.55 on average; it applies to all base game spins and the Gold Fever bonus when triggered naturally.

What if you want to change your bet size on Gems Bonanza?+

You can bet from NZ$0.20 up to NZ$240 per spin. The examples shown here use NZ$0.20, NZ$0.50, and NZ$5, but you can select any amount within that range to match your budget and how long you want to play.

What if wins come slowly but large on Gems Bonanza?+

That is how high volatility works on this slot. Wins land less often than on gentler games, but when they do come, they tend to be bigger. The tumble feature can build wins into larger ones in a single spin, adding to that potential.

How to keep gaming safe

Know your spending limit. Set a budget for your session before you begin. Decide how much you can afford to spend on Gems Bonanza and stick to that amount, whether you win or lose.

Gems Bonanza: decide your exit point. Decide when you will stop playing before your session starts. This includes setting a point where you will walk away after a win, not just after losses.

Gems Bonanza: use account protections. Use the deposit and loss limits available on your Leonbet Casino account. These tools let you control how much goes in and how much you are willing to lose.

Step back when it matters. Stop and take a break if the game stops being fun or if you feel you are chasing losses. Use cooling-off periods or self-exclusion if you need time away.