Bonus buy slots are the strangest gap in the UK market: games like Sweet Bonanza and Money Train ship worldwide with a button that sells you the bonus round outright — and on every GB-licensed casino that button simply isn’t there. This page explains why. It’s a rules explainer, not a workaround guide: the feature is prohibited for GB players, and below you’ll find the actual regulations behind that, the January 2026 bonus-rule changes, and what it all means for the games you already play.
Where to Play UK-Licensed Slots
What a feature buy actually is
In most regulated markets outside Great Britain, many modern slots carry a purchase option: pay a multiple of your stake — commonly around 100x, sometimes far more — and the game skips straight to its bonus round. Studios call it Bonus Buy, Feature Buy or Buy Pass; Big Time Gaming’s Feature Drop is a pay-down variant of the same idea, where the trigger price falls as you spin. Whatever the branding, the transaction is identical: a large one-click outlay in exchange for immediate access to the volatile part of the game.
That one-click outlay is exactly what UK regulation objects to.
Bonus buy slots and UK law: the rules behind the ban
There is no statute that names “bonus buy”. The prohibition comes from the Gambling Commission’s Remote Gambling and Software Technical Standards (RTS), which bind every GB-licensed operator and supplier. In January 2020 the Commission published a formal warning after finding six operators offering feature buy-in on slots — one game charged over £3,000 for bonus access — and pointed at two standards:
- RTS 14A: “Gambling products must not actively encourage customers to chase their losses, increase their stake or increase the amount they have decided to gamble.” A button that invites you to spend 100x your stake in one click sits squarely inside that wording.
- RTS 3A: the applicable rules must be easily available before a customer commits to gamble — a further problem for buy features that skip a game’s ordinary structure.
Every operator contacted removed the feature, and since then studios have shipped separate GB builds of their games with the buy option stripped out. That’s why the same slot shows a buy button on a stream recorded abroad and none at your UK casino — it isn’t your settings, it’s the licence.
The games you’ll see mentioned — and what GB versions do
These are the titles that made the mechanic famous elsewhere. All of them are available to UK players; in every case the GB build simply has the purchase option disabled, and the bonus triggers the ordinary way.
| Game | Studio | Buy feature (other markets) | GB version |
|---|---|---|---|
| Sweet Bonanza | Pragmatic Play | Bonus buy at 100x stake | Buy disabled |
| Gates of Olympus | Pragmatic Play | Bonus buy at 100x stake | Buy disabled |
| Money Train 2 / 3 / 4 | Relax Gaming | Tiered buys; MT2’s buy RTP ≈98% | Buys disabled |
| San Quentin | Nolimit City | Buy tiers up to 2,000x stake | Buys disabled |
| Mental | Nolimit City | Tiered buys, extreme volatility | Buys disabled |
| Chaos Crew | Hacksaw Gaming | Bonus buy options | Buys disabled |
| Wanted Dead or a Wild | Hacksaw Gaming | Three buy tiers | Buys disabled |
| White Rabbit / Extra Chilli | Big Time Gaming | Feature Drop (pay-down) | Feature Drop withdrawn when the Commission intervened |
Checked 10 July 2026. This table records what exists in other regulated markets for context — it is not a menu. GB-licensed versions of all eight play without any purchase option.
A few of these deserve a line of context. Pragmatic Play’s pair — Sweet Bonanza and Gates of Olympus — are probably where most UK players first notice the missing button, because both are streamed constantly from markets where it exists. Relax Gaming’s Money Train series is the case regulators cite in the other direction: its bought bonuses carry a higher published RTP than the base game, which shows how deliberately the mechanic reshapes a slot’s maths. Nolimit City’s San Quentin and Mental sit at the extreme end — buy tiers reaching 2,000x stake — and Hacksaw’s Chaos Crew and Wanted Dead or a Wild round out the modern volatility school. Big Time Gaming’s Feature Drop, on Extra Chilli and White Rabbit, is the historically interesting one: it was among the industry’s first buy mechanics, and it was withdrawn from UK-facing versions when the Commission acted.
January 2026: the bonus rules tightened again
The feature-buy position hasn’t changed since 2020, but the wider bonus rulebook has. From 19 January 2026, under the revised Social Responsibility Code 5.1.1 of the LCCP, GB operators face two new limits on promotions: wagering requirements on bonuses are capped at ten times the bonus amount, and a single promotion can no longer mix gambling products (a bonus can’t require both sports bets and slots play, for instance). The Commission’s stated logic is the same thread that runs through the feature-buy warning — offers must not push people into gambling more than they intended, and their terms must be simple enough to actually understand.
Read together, the two interventions describe the UK’s settled position: you can play the world’s most volatile slots here, but the product isn’t allowed to sell you acceleration — neither a bought bonus round nor a 50x playthrough dressed up as a gift.
Bonus buy FAQs
Why can't I buy the bonus feature in the UK?
Because the Gambling Commission treats feature buys as breaching its technical standards — in particular RTS 14A, which says gambling products must not actively encourage customers to increase the amount they have decided to gamble. After the Commission's January 2020 warning, GB-licensed operators removed buy options from every slot they offer.
Are bonus buy slots themselves banned in the UK?
No — the games are still available on GB-licensed sites. Only the buy button is removed. Sweet Bonanza, Money Train and the rest play normally in the UK; the bonus simply has to be triggered through ordinary spins.
When did the UK feature buy ban happen?
The Gambling Commission moved against feature buy-ins in late 2019 and published its formal warning to operators on 17 January 2020, citing RTS requirements 3A and 14A. Buy options have been absent from GB-facing slots ever since.
What is the new 10x wagering rule?
From 19 January 2026, under the revised Social Responsibility Code 5.1.1 of the LCCP, any wagering requirement attached to a bonus offered by a GB-licensed operator cannot exceed ten times the bonus amount, and a single promotion can no longer span multiple gambling products.
Do bonus buys change a slot's RTP?
Often, yes — studios publish separate RTP figures for bought bonuses, and some run higher than the base game (Relax's Money Train 2 buy is the famous example at around 98%). That published difference is part of why regulators scrutinise the mechanic.
Sources & Verification
Primary sources checked 10 July 2026, both from the regulator itself: the Gambling Commission’s games warning for online operators (17 January 2020 — the feature buy-in intervention, citing RTS 3A and 14A) and its announcement “Gambling promotions to be safer and simpler” (the 10x wagering cap and mixed-product ban under SR Code 5.1.1, in force 19 January 2026). Per-game buy details are from the studios’ published game information.
Paul edits Sister Slots’ UK slot-family guides. He researches provider histories, mechanics and published game data, checking material claims against provider sources and relevant public records. Unless a page states a dated hands-on method, it reflects documented editorial research rather than real-money play. More about Paul →