Evidence used
- Australian Institute of Family Studies: How electronic gambling machines work — Australian research overview of machine design and game maths.
- Gambling Commission: RTS 3 — GB requirements for accessible rules and payout information.
- Gambling Commission: RTS 7 — GB standard for acceptably random outcomes.
- Gambling Commission: volatility terms — technical description of outcome variability.
- Gambling Commission: gaming machine categories — theoretical RTP as a large-sample average.
- Gaming Laboratories International: GLI-11 — technical game-information and paytable reference.
Sources were checked on 23 September 2026. GB standards are identified as GB standards and are not presented as Australian law. The Australian research source is used for mechanics context, not a current legal claim.
Editorial rules
Illustrations are original, abstract and non-numeric. They do not reproduce a game screen or imply probability. No commercial links, named-game examples or unverified contact details are published.