Modern pokies come with a vocabulary that nobody explains before you start playing. Some of these terms affect your odds meaningfully. Others are marketing. This sorts out which is which.
Organised by what the term relates to rather than alphabetically, so related concepts sit together.
A vertical column of symbols. Most modern pokies have five, though three-reel classics and six or seven reel games both exist. Reels spin independently and stop in a position determined by the random number generator at the moment you press the button.
A fixed pattern running across the reels. Symbols must land on that exact pattern to pay. A game with 20 paylines is checking 20 specific routes across the grid on every spin. Wins are only counted along these lines — three matching symbols scattered randomly across the grid pay nothing on a payline game.
Removes the pattern requirement. Matching symbols on adjacent reels pay regardless of vertical position, so long as they start from the leftmost reel. A 243-ways game gives you every combination across five reels of three symbols each. More generous per spin than paylines, and usually priced into a slightly higher bet.
Position is irrelevant entirely. Symbols pay when enough of them touch anywhere on the grid, typically five or more connected horizontally or vertically. Sweet Bonanza is the best-known example. Almost always paired with tumbling reels.
A licensed mechanic where the number of symbols on each reel changes every spin, so the number of winning combinations varies constantly. The advertised maximum is usually 117,649 ways. Megaways titles are almost always high volatility — the variable structure produces rare, very large hits.
The in-game screen listing what each symbol pays, how features trigger, and usually the RTP. Accessible through the menu or info icon. Worth reading once before playing a game seriously, particularly the section explaining how the bonus round is entered.
Substitutes for other symbols to complete a win. Usually cannot substitute for scatters or bonus symbols. The most common feature in pokies and the easiest to understand.
A wild that grows to fill its entire reel, potentially completing multiple wins at once. Common in free spin rounds.
Stays locked in position for subsequent spins rather than disappearing. Usually appears during a bonus round, where it can accumulate across several spins into a strong position.
Pays regardless of position on the grid rather than needing a payline. Its main function is triggering the free spins round, most commonly requiring three or more. When people talk about a game "not paying", they usually mean scatters have not landed.
Similar to a scatter but specifically dedicated to triggering a feature. Some games use both, with scatters awarding free spins and bonus symbols opening a separate mini-game.
Multiplies the win it participates in, or the whole spin, by a stated figure. In games like Gates of Olympus, multiple multiplier symbols landing in one tumble sequence add together rather than multiplying each other — a detail worth knowing, because it changes the maths significantly.
Also called cascading or avalanche. Winning symbols disappear and new ones drop in to fill the gaps, potentially creating another win from the same spin. The chain continues until no new win forms. One spin can produce a long sequence of payouts.
A round of spins that costs nothing from your balance, usually triggered by scatters. Almost always where a game's real payout potential lives — multipliers, sticky wilds and expanded grids typically only appear here. The advertised max win figure is nearly always a free spins outcome.
Landing scatters during a free spins round to award additional spins. Some games allow unlimited retriggers, which is how the occasional enormous session result happens.
Landing enough special symbols starts a respin round where those symbols lock in place. Every new one resets the respin counter. Filling the entire grid usually awards a jackpot. The appeal is a visible progress state — you can see how close you are.
Pay a fixed multiple of your stake — commonly 100x, ranging from 60x to 500x — to enter the free spins round immediately. Priced using the same maths as the base game, so on paper it is fair value. The real risk is pace: buying features burns a bankroll several times faster than normal spinning.
An option to double a win by guessing a card colour or coin flip, with a total loss on a wrong guess. Usually offered at exactly 50/50 odds with no house edge, which makes it one of the few genuinely neutral bets in a casino. Neutral is not the same as good — it adds variance without adding expected value.
Nolimit City's proprietary mechanics. xWays symbols reveal multiple symbols in one position, expanding the ways count. xNudge wilds shift into position and add a multiplier for each nudge. Both produce very high variance.
The percentage of all money wagered that a game returns across an extremely large sample of spins. Most online pokies sit between 96% and 97%. It says nothing useful about your session — see our full RTP guide for why.
The inverse of RTP. A 96.5% RTP game has a 3.5% house edge. Stating it this way makes the difference between games clearer — 96% versus 94% RTP sounds marginal, but 4% versus 6% edge means one is 50% more expensive to play.
How a game distributes its payouts. Low volatility means frequent small wins; high means rare large ones. Affects your actual session far more than RTP does, and determines how you should size your bets. Covered properly in our volatility guide.
How often a spin produces any win at all. A game might have 25% hit frequency, meaning one spin in four returns something — often less than the stake. Rarely published, but a useful concept for understanding why a game feels the way it does.
The capped maximum payout, expressed as a multiple of your stake. A 5,000x cap on a $1 spin means $5,000 maximum regardless of what the reels show. The best single indicator of volatility — anything above 5,000x is a high-variance game.
The algorithm determining every outcome, running on the studio's servers and independently certified. The result is fixed the instant you press spin; the reel animation is presentation. Operators cannot influence it, and no betting pattern, timing or session length affects it.
Turnover that must pass through eligible games before bonus funds become withdrawable, expressed as a multiple. A $100 bonus at 35x needs $3,500 of turnover. Full explanation in our wagering requirements guide.
How much each game type contributes toward wagering. Pokies usually count 100%, table games often 10% or less. Matters more than the multiplier itself — a 25x requirement on 20%-weighted games is effectively 125x.
The per-spin limit while a bonus is active. Exceeding it can void the bonus and all winnings from it, retroactively. The single most common way players lose a balance they believed was theirs.
A ceiling on how much bonus-derived winnings can become withdrawable cash. Common on no deposit offers. Caps your outcome regardless of how well you do.
Total amount wagered, not amount lost. A $1 spin contributes $1 whether it wins or loses. Better news than most players assume when calculating a wagering requirement.
"Hot" and "cold" machines. No such thing. Every spin is independent and the RNG has no memory of previous results. A game that has paid nothing for 300 spins has identical odds on spin 301.
"Due for a win." The same misconception in different clothing, and the most expensive belief in gambling. Nothing accumulates between spins and no mechanism exists for a game to compensate for a dry run.
"Loose" and "tight" slots. Terminology from mechanical machines where physical adjustment was possible. Meaningless online, where the only variable is the RTP configuration, which is fixed and published.
Betting systems. Martingale, Fibonacci, D'Alembert and every variant. All fail against a house edge on independent events. Anyone selling one is selling something that does not work.
Knowing the vocabulary helps you choose games that suit how you want to play and read bonus terms before accepting them. It does not make pokies profitable — every game carries a house edge.
Deposit limits, session reminders, cool-off periods and self-exclusion are available in your account settings. Gambling Help Online is free and confidential, 24 hours a day, on 1800 858 858. More on our responsible gambling page.
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