What online casino game offers the highest RTP?: where it sits and how many clicks it takes

Which online casinos offer transparent RTP information for slot games?

Check 1 of 6 — the RTP figure: inside the game's own rules or information panel, before you commit to gamble.

The game with the highest RTP in any lobby is the one whose published figure is highest, and that figure is published one game at a time. Every online casino licensed in Great Britain must make it easily available before a customer commits to gamble. That is Remote gambling and software technical standard 3C, read 21 September 2026.

The information must include 'the return to player (RTP) percentage or the probability (likelihood) of winning events occurring', and the guidance names 'the average theoretical return to player percentage'. So the answer is not a game name. It is a route: open the game's information, read the figure, repeat for the next game.

This sheet did not inspect a named lobby. It records where the standard puts the figure and what a reader should expect to find on the way. Which operator is more transparent than another is not something the standard measures, and this sheet does not rank operators.

The standard applies to every remote licensee, so 'transparent RTP information' is a licence requirement rather than a feature of one casino. What varies is the route: the panel may open from the tile, from a menu, or only after the game has loaded.

Sources: Remote gambling and software technical standards (RTS): RTS 3, rules, game descriptions and the likelihood of winning.

How can I check the RTP rates on online casino websites?

Check 2 of 6 — the game rules: the same place as the RTP figure, or one link away from the game.

The standard ties the figure to the rules. RTS 3A states that 'an explanation of the applicable rules must be easily available to the customer before they commit to gamble'.

Its guidance says links 'should be prominently placed, for example on home pages for gaming sections, game selection pages or menus, or within individual games, so that customers can easily locate them'. The RTP figure is one of the items that explanation must carry.

In practice the path string is usually short. Lobby › game tile › information or rules panel › the percentage. Some panels open before the game loads; others only after it.

The standard does not state a click count, so the number of clicks is an observation to make, not a rule to quote.

Write the figure down with the game name and the date. A figure without a date is not evidence, because the panel can change.

Sources: Remote gambling and software technical standards (RTS): RTS 3, rules, game descriptions and the likelihood of winning.

How to locate game RTP percentages on casino websites?

Check 3 of 6 — the licence statement: on the operator's site, with a link to its current licensed status.

Before reading any figure, confirm the regime the figure sits under. A remote casino licensee must display 'a statement that they are licensed and regulated by the Gambling Commission' and its account number. It must also link to its current licensed status on the Commission's website.

That is condition 8.1.1 of the Licence Conditions and Codes of Practice (LCCP). If the statement is absent, RTS 3 does not apply to the site, and nothing on this sheet describes it.

Check 4 of 6 — the terms: made available in an easily accessible way.

LCCP 7.1.1 requires terms to be 'made available to customers in an easily accessible way' and transparent within the meaning of the Consumer Rights Act 2015. It does not say where. The location is an observation; the requirement is the accessibility.

Sources: LCCP condition 8.1.1: Display of licensed status (remote operators); LCCP condition 7.1.1: Fair and transparent terms and practices; Remote gambling and software technical standards (RTS): RTS 12, financial limits; LCCP condition 3.3.1: Responsible gambling information; Help for problems with gambling.

Checks 5 and 6 of 6 — the deposit-limit control and safer-gambling help: a homepage link, then availability

Check 5 of 6 — the deposit-limit control: a direct link on the homepage.

RTS 12C is the one standard in this set that names a place. Financial limit facilities 'must be provided via a direct link on the homepage and be clearly visible and accessible'. Increases take effect only after a cooling-off period of at least 24 hours and a positive confirmation.

Support: GamCare, 0808 8020 133, free, 24 hours a day.

Check 6 of 6 — safer-gambling information: available, with self-exclusion options and where to get help.

LCCP 3.3.1 requires information on measures to monitor or control gambling, timers or reality checks where available, self-exclusion options and 'the availability of further help or advice'. The page read states placement rules for premises; for a website it requires availability rather than a fixed position.

Sources: LCCP condition 8.1.1: Display of licensed status (remote operators); LCCP condition 7.1.1: Fair and transparent terms and practices; Remote gambling and software technical standards (RTS): RTS 12, financial limits; LCCP condition 3.3.1: Responsible gambling information; Help for problems with gambling.

The comparison table

The table sets each check beside the rule that governs it, the place the rule names, and the distance the rule states. 'Not stated' means the rule requires availability without naming a position; the clicks are then an observation for a reader with a lobby open, not a figure this sheet can supply.

Sources: Remote gambling and software technical standards (RTS): RTS 3, rules, game descriptions and the likelihood of winning; LCCP condition 8.1.1: Display of licensed status (remote operators); LCCP condition 7.1.1: Fair and transparent terms and practices; Remote gambling and software technical standards (RTS): RTS 12, financial limits; LCCP condition 3.3.1: Responsible gambling information; LCCP condition 5.1.9: Other marketing requirements.

A worked example in pounds

The figure lets a reader compare two games on one number. The percentage is a long-run average across all players and all spins, not a forecast for one session, and one session can end anywhere. Reel & Story's pages explain what the figure is; this sheet only shows how to read two of them side by side.

Take £20 staked in total, which is the stake this network uses for examples. At a published figure of 96.0%, the long-run average cost of that £20 of play is £20 × (100 − 96.0) ÷ 100 = £0.80. At 94.0% it is £1.20.

At 92.0% it is £1.60. The three percentages are illustrations; they are not the figures of any named game, and a reader should use the ones on the panels in front of them.

The working is the same for any stake. The difference between two games' figures, applied to the total staked, is the long-run difference in cost. It is not money a reader will receive.

If the comparison is turning into a reason to stake more, the deposit-limit control from Check 5 is one link from the homepage, and GamCare is on 0808 8020 133.

Sources: Remote gambling and software technical standards (RTS): RTS 3, rules, game descriptions and the likelihood of winning; Remote gambling and software technical standards (RTS): RTS 12, financial limits; Help for problems with gambling.

What this page does not tell you

It does not name the game with the highest RTP anywhere, because no published source lists every game's figure across every lobby, and the figure is per game. It does not report click counts from a real lobby: no inspection was made for this sheet, and a count that was not observed is not written down here.

It does not tell you whether a game's figure can differ between operators. Some standards discussions mention configurable versions, but none of the pages read for this sheet states it, so this sheet does not either.

Sources: Remote gambling and software technical standards (RTS): RTS 3, rules, game descriptions and the likelihood of winning.

Questions answered

Each answer gives the finding first, from the rule read on 21 September 2026.

Sources: Remote gambling and software technical standards (RTS): RTS 3, rules, game descriptions and the likelihood of winning; LCCP condition 7.1.1: Fair and transparent terms and practices.

Sources checked 21 September 2026

Sources checked 21 September 2026. All pages are published by the Gambling Commission unless stated, and were read over HTTPS on that date.

Support: GamCare, 0808 8020 133.

Sources: Remote gambling and software technical standards (RTS): RTS 3, rules, game descriptions and the likelihood of winning; Remote gambling and software technical standards (RTS): RTS 12, financial limits; LCCP condition 5.1.9: Other marketing requirements; LCCP condition 8.1.1: Display of licensed status (remote operators); LCCP condition 3.3.1: Responsible gambling information; LCCP condition 7.1.1: Fair and transparent terms and practices; Help for problems with gambling.