Glossary

As someone who reviews pokies and live casino for a living, I've fielded the same terminology questions from Aussie players enough times to know which terms actually matter and which ones are just industry noise. This glossary cuts straight to the vocabulary you'll encounter at King Johnnie — pokies maths, live roulette mechanics, table game strategy, and account terms — all explained in plain Australian English with AU$ examples where the numbers actually mean something.

What do the most important pokies terms mean for Aussie players?

The pokies vocabulary at King Johnnie covers the maths behind every game you load. Understanding it before you spin means you're choosing games deliberately rather than just picking whatever looks good in the lobby.

RTP (Return to Player) — the theoretical percentage a pokie returns across a very large number of spins. A 96% RTP means AU$96 returned per AU$100 staked over the long run. This is a mathematical average, not a session guarantee. It's in every game's info panel and independently audited under Australia licensing requirements. Two pokies with the same RTP can have completely different volatility profiles — which is why you need both numbers.

Volatility (variance) — describes how a pokie distributes its payouts. Low volatility: frequent small wins, steady bankroll. High volatility: long dry stretches punctuated by rare larger hits. A high-variance pokie on a short 50-spin session is an entirely different animal from the same game played across 5,000 spins. Matching volatility to your session length and bankroll is the most practical thing you can do before choosing a title.

Megaways — Big Time Gaming's licensed mechanic where each reel shows a random number of symbols per spin, generating anywhere from 64 to 117,649 ways to win. The variable reel height creates inherently high volatility. Widely licensed across the industry — you'll find Megaways titles from Pragmatic Play, Red Tiger, and Blueprint as well as BTG's own catalogue at King Johnnie.

Max win cap — the maximum payout a single spin can deliver, expressed as a stake multiplier. A AU$1 spin on a 10,000× max-win pokie pays no more than AU$10,000 regardless of what the reels display. Becomes the key differentiator when comparing high-variance titles chasing jackpot-level returns.

Bonus buy — pays 50–100× your base stake to skip straight to the bonus round. Useful if you want to bypass base game grinding, but check availability in Australia first — some jurisdictions have restrictions on this feature.

Hit frequency — the percentage of spins that return any win, regardless of size. A pokie with 25% hit frequency pays out on roughly one in four spins. Low hit frequency + high max win = classic high-variance profile. High hit frequency + lower max win = low-variance profile. Neither is better; it's about matching the profile to how you want your AU$ session to feel.

Author's tip from Lachlan Reeves, iGaming Analyst & Pokies Reviewer: "The combination of RTP and volatility tells you far more about a pokie than either number alone. A 97% RTP at high variance will feel very different from a 94% RTP at low variance — even though the first one is mathematically better value. Match the volatility to how much runway your bankroll gives you, then optimise for RTP within that constraint."

What roulette terms do you need before sitting at a live table?

Roulette at King Johnnie runs on Evolution's live infrastructure — multiple variants, stable AU-friendly streams, and a bet range that covers casual punters through to higher-stakes play. The terminology is worth getting right before you sit down, because the variant you choose and the bets you place have a direct, measurable effect on your AU$ value per session.

House edge — the casino's mathematical advantage on every spin, expressed as a percentage of each bet. European single-zero: 2.70%. French with La Partage: 1.35% — the best roulette edge you'll find in Australia. American double-zero: 5.26% — nearly twice European. The house edge is identical across all inside and outside bets on a given variant; payout differences reflect coverage, not edge.

La Partage — a French roulette rule where half your even-money stake is returned if zero lands. This is what halves the house edge from 2.70% to 1.35% on even-money bets. Only applies to Red/Black, Odd/Even, and High/Low bets — not inside bets. Worth looking for in Evolution's French Roulette lobby.

En Prison — a variant of La Partage where your entire even-money bet is "imprisoned" on the table for the next spin rather than returning half immediately. If the next spin wins, the full bet is released. The house edge outcome is mathematically equivalent to La Partage at 1.35%.

Inside bets — bets placed directly on the numbered grid: Straight Up (1 number, 35:1), Split (2 numbers, 17:1), Street (3 numbers, 11:1), Corner (4 numbers, 8:1), Line (6 numbers, 5:1). Higher payout ratios, lower win frequency — all carrying the same 2.70% edge on European roulette.

Outside bets — bets placed on the outer sections of the layout: Dozen (12 numbers, 2:1), Column (12 numbers, 2:1), Red/Black (18 numbers, 1:1), Odd/Even (18 numbers, 1:1), High/Low (18 numbers, 1:1). Lower payouts, higher win frequency — same 2.70% edge. Even-money bets become 1.35% edge on French roulette with La Partage.

Neighbour bets — call bets on groups of numbers that are adjacent on the wheel rather than the layout. Voisins du Zéro (neighbours of zero), Tiers du Cylindre, and Orphelins cover specific sectors of the wheel. Available in the race track betting panel on European tables at King Johnnie.

Lightning numbers — in Lightning Roulette, 1–5 numbers are randomly selected each round and assigned multipliers of 50×, 100×, 200×, 300×, or 500×. The trade-off is a reduced standard straight-up payout of 30:1 instead of 35:1 — this is where the additional house edge in Lightning Roulette sits.

Author's tip from Lachlan Reeves, iGaming Analyst & Pokies Reviewer: "The house edge is the same on every single bet on European roulette — Straight Up and Red/Black both cost you 2.70% per AU$ wagered. Choosing between them is purely about risk preference: low coverage with high payout, or high coverage with low payout. Neither is smarter. What IS smarter is choosing French over European when it's available, and European over American every time."

What bonus, wagering and account terms does every Australia player need?

The account and bonus side of online casino uses language borrowed from financial services regulation — which is why it can feel foreign at first. These are the terms you'll hit at King Johnnie during registration, verification, and any time you're moving AU$ or evaluating an offer. Full KYC and verification details are on the login page.

Author's tip from Lachlan Reeves, iGaming Analyst & Pokies Reviewer: "If you're planning to use a bonus primarily on roulette, check the game contribution rate before you accept it. Live roulette commonly contributes 0–10% toward wagering — which means a 10× requirement on a AU$200 bonus could effectively require AU$20,000 in roulette bets to clear. That's a completely different number from the headline. Know it before you click accept."

Where do you go from here?

If the terminology is sorted and you're ready to look at the platform, the home page has a full breakdown of King Johnnie's roulette offering — variant comparison heat map, bet type reference table, and how the platform stacks up for Aussie punters overall. For anything related to registering, getting verified, or sorting account access issues, the login page covers the full process step by step.

Playing with a clear understanding of the terms — house edge, volatility, wagering contribution — changes every decision you make at King Johnnie. Gambling is entertainment for adults who are 18 and over. The more clearly you understand the maths, the better that entertainment holds up over time and the less likely you are to get caught out by something hiding in plain sight in the terms.