Editorial note: this is an independent, general guide for information only. Game availability, features and RTP can vary between operators and game versions, so always check the in-game information panel before you spin. Slots are games of chance — nothing here is a prediction of results, and no strategy changes the odds.
Multipliers in slots explained
The multiplier is modern slots’ favourite ingredient — a number that boosts whatever it touches, from a simple doubling of free-spin wins to the compounding monsters that turn cascade chains into five-figure events. How a game handles its multipliers is usually where its volatility lives. Their dominance is a recent conquest: multipliers were garnish until the cascade era made them engines, and today the question that most separates gentle games from violent ones is simply what the multipliers are allowed to do — combine, persist, climb or all three.
The basic forms
The simplest multipliers are round-wide: Thunderstruck triples every free-spin win, Lucky Lady’s Charm likewise. Multiplier wilds attach the boost to a symbol — Starburst XXXtreme’s 2x–150x wilds, the Buffalo games’ 2x/3x/5x diamonds — and the crucial rule follows: when several join one win, most games multiply their values together rather than adding, which is how 5x and 5x becomes 25x.
Progressive and persistent multipliers
The modern era’s engine is the climbing multiplier: cascade games raise it with every reaction — unlimited and unresetting through Bonanza-style free spins — while Gates of Olympus sums its orbs and banks a global total across the bonus. Persistent variants stick to positions or symbols, compounding across a feature: Jammin’ Jars’ jars grow +1x per win and never reset mid-round. Where the multiplier cannot reset, the late spins of a round are structurally worth more than the early ones.
What players should know
Multiplier design is the quickest read on a game’s temperament: combining wilds and unresetting climbers concentrate value into rare aligned moments — the high-volatility signature — while flat round-wide boosts keep things gentle. The paytable specifies every rule: what combines, what persists, what resets, and the caps that contain it all.
Frequently asked questions
How do multiplier wilds combine?
In most games, multiple multiplier wilds in a single win multiply together — two 5x wilds make 25x, not 10x.
What is a progressive multiplier?
One that climbs with events — typically cascades — and in many bonus rounds never resets until the feature ends.
Which slots are famous for multipliers?
Gates of Olympus’ orbs, Starburst XXXtreme’s 150x wilds, Jammin’ Jars’ growing jars and the Bonanza-style cascade climbers.
Do multipliers change the RTP?
No — they are part of each game’s certified maths, shaping how the return arrives rather than its size.
Related guides
Starburst XXXtreme slot review
18+ only. Gambling should be fun, never a way to make money. Please play responsibly and only with money you can afford to lose. If gambling is affecting you or someone you know, free, confidential support is available 24/7 from the National Gambling Helpline on 0808 8020 133, run by GamCare. You can also visit BeGambleAware (begambleaware.org) or self-exclude from UK-licensed online operators through GAMSTOP (gamstop.co.uk).