NinoGaming Glossary — Casino Terms, Explained Plainly

Every term here appears on casino pages constantly and is explained on almost none of them. Each entry gives the definition, the misreading that follows it around, and a worked example with the arithmetic done — because most of these terms are misunderstood in a specific, predictable way rather than merely being unfamiliar.

Everything in this section

Term	In one line	Fixed by
Paylines	The fixed patterns across the reels on which matching symbols pay.	The game studio, as part of the reel layout
Ways to win	A payline alternative where adjacent matching symbols pay regardless of their position.	The game studio, as an alternative to fixed paylines
Wild symbol	A symbol that substitutes for others to complete a winning combination.	The game studio, in the paytable
Scatter symbol	A symbol that pays or triggers a feature regardless of where it lands.	The game studio, in the paytable
Free spins	A feature round of spins awarded without an additional stake.	The game studio when it is a game feature; the operator when it is a promotion
Progressive jackpot	A prize pool that grows from a share of every qualifying stake until someone wins it.	The studio or jackpot network that pools the contributions

6 pages, each one covering a single entry rather than summarising several. Where a field above reads “not published”, the entry’s own page explains who would have had to publish it.

Each entry in a paragraph

Enough on each to know which page is the one worth opening.

Glossary	In short
Paylines	The fixed patterns across the reels on which matching symbols pay. Fixed by: The game studio, as part of the reel layout. Where you meet it: A game’s info screen and its spec table. The misreading: More paylines is often read as better odds.
Ways to win	Short for including Megaways. A payline alternative where adjacent matching symbols pay regardless of their position. Fixed by: The game studio, as an alternative to fixed paylines. Where you meet it: Spec tables on cluster and scatter-pays slots. The misreading: A large way-count is read as a large advantage.
Wild symbol	A symbol that substitutes for others to complete a winning combination. Fixed by: The game studio, in the paytable. Where you meet it: A game’s paytable and feature list. The misreading: Wilds are often assumed to substitute for everything.
Scatter symbol	A symbol that pays or triggers a feature regardless of where it lands. Fixed by: The game studio, in the paytable. Where you meet it: A game’s feature list, usually next to free spins. The misreading: Scatters are widely believed to become ‘due’ after a dry run.
Free spins	A feature round of spins awarded without an additional stake. Fixed by: The game studio when it is a game feature; the operator when it is a promotion. Where you meet it: Game feature lists, and separately in bonus terms. The misreading: Free spins awarded as a promotion by an operator are not the same thing as an in-game free-spin round, despite sharing the name.
Progressive jackpot	A prize pool that grows from a share of every qualifying stake until someone wins it. Fixed by: The studio or jackpot network that pools the contributions. Where you meet it: Jackpot tickers above the reels, and network jackpot pages. The misreading: A large jackpot is sometimes read as improved odds.

Check glossary details in the game itself

None of these definitions rests on this site’s authority. Each one can be checked against the game itself:

1. Open any slot’s own information screen. The paytable, the way-count and the feature rules are all there, and they are the primary source for every mechanical term defined here.
2. Compare a way-count against the grid. A 5x4 grid evaluated as 1,024 ways is 4 to the power of 5 — the number describes the grid’s geometry, not the game’s generosity.
3. For a bonus term, read the operator’s own conditions rather than a summary of them. A wagering requirement multiplies a figure, and which figure it multiplies — bonus only, or bonus plus deposit — changes the answer by a factor of two.
4. Where a studio publishes no RTP, check whether two sources quoting one agree. On JILI titles they differ by as much as two points, which settles the question of whether either is authoritative.

The thing most often got wrong here

The single most common error across all of these terms is assuming the casino sets them. For most it does not: RTP, volatility, paylines, wilds and scatters are fixed by the studio when the game is built, and the site offering the game cannot adjust them.

The exception is the wagering requirement, which an operator writes into its own bonus terms. Each entry states which of the two it is, because that difference decides who a complaint should go to — and a complaint sent to the wrong one goes nowhere.