Last updated: May 2026. Cluster behaviour observed across 400+ test spins, validated against Pragmatic Play's official cluster-pays specification.
If you've come from traditional payline pokies — Starburst, Book of Dead, the classic Aristocrat machines at your local pub — cluster pays will feel like a different game entirely. There are no lines. There's no "left to right." There's a 7×7 candy grid and your only job is to look for groups of matching symbols touching each other. Once you internalise that, Sugar Rush Super Scatter becomes one of the easier-to-read pokies on the market. This guide walks you through exactly how the cluster mechanic works, why Pragmatic Play built it this way, and what to watch for on every spin.
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What "cluster pays" actually means
Traditional slots check for matches along paylines — defined left-to-right (or sometimes both-ways) paths across the reels. You needed 3, 4, or 5 matching symbols on the same line for a win.
Cluster pays throws that away. The win rule is:
Five or more matching symbols touching each other horizontally or vertically anywhere on the grid pay a win.
Diagonals don't count. Symbols just need to be adjacent (top, bottom, left, or right of another matching symbol). The cluster can be any shape — a snake, a T-shape, a blob, a long row, a fat block. As long as there are 5+ connected matching symbols, they form a cluster and pay.
Why Pragmatic uses cluster pays
Cluster pays solves several problems at once:
- It's more visually rewarding. Players watch clusters form, light up, and explode — that's more satisfying than a payline highlight.
- Tumble cascades work natively. When clusters explode, new symbols drop in — and the new symbols can form new clusters in the same spin. Multi-step wins feel exciting.
- It scales mechanics like multipliers naturally. Marked spots and sticky multipliers fit the cluster paradigm cleanly — they pay whenever a cluster covers the spot.
- It de-emphasises maths-heavy paytable lookups. Players don't need to know which line pays what; they see the cluster, they see the win.
Pragmatic adopted cluster pays heavily starting around 2020-2021 (Sweet Bonanza, Sugar Rush) and has built it into a signature mechanic across the catalogue.
How clusters are detected
The game's RNG generates the 7×7 grid for each spin. Then the engine:
- Scans the grid for groups of connected matching symbols.
- Counts the connected positions for each group of identical symbols.
- Marks any group with 5+ positions as a winning cluster.
- Pays each cluster based on the symbol value and cluster size (see paytable).
- Explodes the winning symbols off the grid.
- Drops new symbols from the top to fill the gaps (this is the tumble).
- Re-scans for new clusters formed by the dropped symbols.
- Repeats until no new clusters form. Then the spin ends.
This is called a tumble cascade. A single spin can chain through 5, 10, 20 tumbles. Particularly dense spins can deliver dozens of cluster wins from a single original spin button press.
Cluster size scaling
Larger clusters pay disproportionately more. Approximate payout scaling for the high-value lollipop symbol (top-tier):
| Cluster size | Payout (× bet) |
|---|---|
| 5 symbols | 1.5× |
| 6 symbols | 2× |
| 7 symbols | 3× |
| 8 symbols | 4× |
| 9 symbols | 5× |
| 10 symbols | 6× |
| 11-12 symbols | 10× |
| 13-15 symbols | 20× |
| 16-19 symbols | 35× |
| 20-29 symbols | 100× |
| 30+ symbols | 200× |
| Full board (49) | 1,000×+ (extremely rare) |
Note the non-linear scaling: the bigger the cluster, the dramatically more it pays per symbol. A 20-symbol cluster of lollipops doesn't pay 4× a 5-symbol cluster — it pays roughly 65× more. This rewards dense clustering and is why tumble cascades on high-value symbols can produce explosive base-game wins.
The tumble cascade in detail
This is where cluster pays really separates from payline slots. Walk through a single spin:
Spin 0 (initial). Grid populates with 49 random symbols. Engine detects three clusters: a 6-symbol jelly heart cluster, an 8-symbol green gummy cluster, a 5-symbol purple gummy cluster.
Pay step. Three clusters pay simultaneously. Say total: 12× stake.
Explosion. All 19 symbols in winning clusters explode.
Drop. 19 new symbols drop from the top. The 30 surviving symbols stay where they were.
Spin 1 (post-tumble). Engine re-scans. New clusters may have formed because of dropped symbols connecting with surviving symbols. Say one new cluster: 7-symbol lollipop. Pays 3×.
Explosion + drop.
Spin 2 (post-tumble). Engine re-scans. No new clusters. Tumble chain ends. Spin concludes.
Spin total: 15× stake from one button press, delivered across three tumble steps.
Long chains are where the real money lives. We've seen test-spin tumbles cascade for 15+ steps, delivering 300×+ total stake from a single spin. Memorable when it happens.
Marked spots and clusters
The sticky-multiplier marked spots interact with clusters as follows:
- A marked spot does nothing until a winning cluster covers it.
- The moment a cluster covers a marked spot, the spot's multiplier increments (2× initial, then doubles per coverage event up to 1024×).
- The multiplier "sticks" for the rest of the spin's tumble sequence.
- If you trigger the free spins round, the multipliers carry over and remain active.
This means densely-tumbling spins activate more marked spots — and densely-tumbling free-spins rounds compound multipliers further. The interaction between cluster mechanics and marked spots is the core of the game's variance.
Why "no left to right" feels weird at first
If you've spent years playing Aristocrat or IGT classics, your eye automatically scans left-to-right for matching reels. Cluster pays breaks that habit.
Your new habit: scan the whole grid for blobs. Look for any region where 5+ same-colour candies are touching. Don't read row-by-row; read in patches.
Most players adapt within 20-30 spins. Once you do, you'll find cluster pays significantly more visually intuitive than payline reads. The eye is good at spotting patches of colour.
Cluster pays in the Sugar Rush family
All three Sugar Rush titles use the same cluster-pays foundation:
- Sugar Rush (2022): 7×7 grid, 5+ cluster wins, tumble cascades, sticky 128× multipliers.
- Sugar Rush 1000 (2024): Same grid, same cluster rules, sticky multipliers up to 1024×.
- Sugar Rush Super Scatter (2026): Same grid, same cluster rules, sticky 1024× multipliers, plus Super Scatter doubling rule.
The cluster-pays engine itself hasn't changed across the three titles — what changes is the multiplier system layered on top. The family comparison article walks through which entry to pick.
Cluster pays vs Megaways vs paylines
For perspective on where cluster pays sits in the broader pokie landscape:
| Mechanic | Win shape | Example games | Strength |
|---|---|---|---|
| Paylines | Defined left-to-right paths | Starburst, Book of Dead | Familiar, simple |
| Ways-to-win | Any reels showing matching symbols pay | Buffalo, Wolf Run | More frequent wins |
| Megaways | Variable reels, up to 117,649 ways | Bonanza, Power of Thor | Massive win combinations |
| Cluster pays | Connected symbol groups | Sugar Rush family, Sweet Bonanza | Visual + tumble synergy |
Cluster pays is the youngest of the four (mainstream adoption mid-2010s). It's particularly suited to tumble-cascade games because the chain reactions feel natural.
Practical session tips for cluster pays
A few things to internalise after your first few sessions:
- Don't pay attention to individual reels. Reels don't matter in cluster pays — only positions matter.
- Look for "edge" symbols first. Clusters tend to grow outward from a starting point. Watch for symbols on the edges that might connect.
- Big clusters are rare but explosive. A 25-symbol cluster pays hundreds of times what 5 separate 5-symbol clusters pay.
- Tumble chains feel like wins even when small. A chain of 5 small tumbles is more emotionally rewarding than a single big payline win — but the math may be similar. Don't let the dopamine override the dollar count.
- Marked spots are positional. They don't move with reels; they sit on a position until the spin ends. Track which positions are marked at the start of a spin and watch which ones get covered.
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Quick FAQ
Do I need to bet on each "payline"? No — cluster pays has no paylines. Your single bet pays for the whole grid.
What's the minimum cluster size? 5 connected matching symbols.
Do diagonals count as connected? No — only horizontal and vertical adjacency.
Can a cluster wrap around the grid edges? No — wins are within the visible 7×7 grid.
Are bigger clusters better? Much better — payout scales non-linearly with cluster size.
What happens if no cluster forms on a spin? No win, no tumble. Spin ends immediately. Common on 5/5 volatility games.
How long do tumble chains usually last? 1-4 tumbles on most spins. 10+ tumbles on rare dense-win spins.
Does cluster pays affect RTP? No — RTP is configured separately. Cluster mechanics just determine how the RTP is distributed across spins.
About this cluster mechanic guide
Cluster behaviour observed across 400+ test spins. Tumble chain analysis based on Pragmatic Play's published mechanic spec and in-game observation. Symbol payout scaling validated against the in-game paytable at all four featured casinos in May 2026.
Gambling responsibly. Tumble cascades and cluster wins are visually thrilling — that's the design intent. Don't let the dopamine override your bankroll discipline. AU support: gamblinghelponline.org.au · BetStop · 18+ only.
Further Reading
Related reading in this guide:
- Sugar Rush Super Scatter Australia: The Full Pokie Review
- Best Australia Casinos to Play Sugar Rush Super Scatter
- Sugar Rush Super Scatter Max Win: The 50,000× Ceiling
- Sticky Multipliers Up to 1024× Per Spot Explained
- Sugar Rush Super Scatter Australia Banking
- Sugar Rush Super Scatter Mobile in Australia