Best Slingo Casinos UK 2026: Where the Math Actually Favors the House (But You Can Still Find Decent Value)

Slingo sits in a strange corner of the British gambling landscape. It’s not quite bingo, not quite slots, and not quite a table game — it’s a five-reel hybrid that borrows the ticket-picking anxiety of 90-ball bingo and bolts it onto a slot engine. The result is a genre that UK players have quietly fallen for, and that operators have quietly fallen over themselves to host. Finding the best slingo casinos UK 2026 has to offer means sorting the sites that treat Slingo as a proper product from those that dump three titles into a lobby and call it a day.

That distinction matters more than most players realise. Slingo Originals — the studio behind Slingo Riches, Slingo Rainbow Riches, Slingo Centurion and the rest — ships different RTP configurations depending on the operator. The same title can carry a 95% return at one casino and 92.5% at another, purely because the operator picked the lower-margin variant. So before you pick a site for the bonus, pick it for the version of the game you’ll actually be playing.

What Slingo Actually Is (And Why the RTP Differs Between Sites)

Slingo is a fixed-grid game. You get a 5×5 bingo-style ticket, five slot reels underneath, and a set number of spins — usually 10 to start, with extra spins purchasable at a fixed cost per spin. Each reel spin marks off numbers on your ticket. Complete a line, a pattern, or the full house, and you win. The twist is that the extra spins are priced dynamically: the cost climbs as your ticket fills, which is the game’s built-in way of extracting more from players who are one number away from a full house. That’s not a flaw in the design. That IS the design.

Return-to-player percentages for Slingo titles typically land somewhere between 92% and 96%, depending on the specific game and, crucially, the operator’s chosen configuration. Slingo Riches, the original, has historically sat at the lower end of that range — around 95% is a commonly cited figure, though the exact number depends on the maths model the operator licensed. Slingo Rainbow Riches tends to run slightly higher, closer to 95.6%. The variance between operators exists because Slingo Originals (part of Gaming Realms since 2019) offers multiple maths models per title, and operators negotiate which one they deploy. A casino running the higher-RTP model is effectively giving back a percentage point more over millions of spins. Over a single session, that’s noise. Over a year of play, it’s the difference between losing £450 and losing £500 on the same game.

Why does this matter for choosing a casino? Because the bonus you’re chasing is calculated against the game’s expected loss. If an operator offers free spins on Slingo at a 92.5% RTP model, the house edge is 7.5%. On a 95.6% model, it’s 4.4%. The “generous” bonus on the lower-RTP version is mathematically worse than a smaller bonus on the higher-RTP version. Almost no casino review site tells you this, because almost none of them know which model an operator runs.

There’s also the matter of Slingo’s position within the UK Gambling Commission’s regulatory framework. Slingo is classified as a remote gambling product, which means every operator offering it must hold a UKGC licence (or be covered by one through a white-label arrangement). The game itself must be tested and certified by an approved laboratory — typically eCOGRA, GLI, or BMM Testlabs — before it can be offered to British players. This is non-negotiable, and it’s the first thing to check when evaluating any casino that claims to offer Slingo.

Top 10 Slingo Casinos UK 2026: The Ranked List

Ten operators, ranked on a combination of Slingo title availability, platform quality, payout reliability, and how honestly the site treats its players. This ranking is not a popularity contest and it’s definitely not a list of who paid the most for placement. It’s a cold assessment of who does the job properly.

1. PlayOJO

PlayOJO has built its entire brand around transparency, and for once the marketing isn’t entirely hollow. The casino runs a no-wagering model on its welcome offer — winnings from free spins are paid as real cash with no playthrough requirement — which is genuinely unusual in the UK market and removes the single biggest complaint players have about casino bonuses. For Slingo specifically, PlayOJO carries a solid selection of titles from Gaming Realms, including Slingo Riches, Slingo Rainbow Riches, and several branded variants. The platform is clean, the mobile experience doesn’t require a separate app, and withdrawals to debit cards typically clear within 24 hours after processing. Minimum deposit sits at £10, which is standard for the UK market. If you’re looking for a slingo casino that doesn’t dress up its terms in 12 pages of small print, this is the one to start with.

2. Foxy Bingo

Foxy Bingo is owned by Entain, one of the largest gambling groups in Europe, and it shows in the product quality. The site carries a wide Slingo library — more titles than the average UK casino — and the bingo-to-Slingo crossover audience means the platform is built for players who understand grid-based games. The welcome package typically includes free spins alongside a deposit match, with wagering requirements attached (the industry standard 35x or 40x on bonus funds). Foxy’s mobile site is one of the better ones in the bingo-casino hybrid category, and the operator’s UKGC licence means your funds are ring-fenced in segregated accounts. Withdrawals to e-wallets like PayPal can process in under 12 hours; debit cards take 1–3 working days.

3. Pub Casino

Pub Casino leans into a British theme that could easily have been naff but somehow isn’t. The Slingo selection is decent — not the deepest on this list, but the titles that are present are properly integrated rather than buried three clicks deep in the lobby. The platform runs on a modern engine with fast load times, and the minimum deposit is £10. What sets Pub Casino apart is its approach to promotions: rather than the usual wall of deposit-match offers, the site tends toward cashback-style deals and free-spin drops that are easier to understand and, in most cases, easier to convert into withdrawable funds. Payout speeds are competitive — e-wallet withdrawals often clear same-day, while bank transfers take the usual 2–5 working days.

4. MrQ

MrQ takes a different approach to bonuses: no wagering requirements on free spins, ever. The catch — and there’s always a catch — is that the free spins are usually smaller in number and restricted to specific slots rather than Slingo titles. For Slingo players, MrQ’s value lies in the platform itself: it’s fast, mobile-first, and doesn’t bombard you with pop-ups. The Slingo library is present but not the main draw; players who want Slingo as their primary game might find the selection limiting compared to the bingo-focused operators above. MrQ holds a UKGC licence and processes withdrawals efficiently, with most e-wallet cashouts completing within hours. Minimum deposit is £10.

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5. 32Red

32Red has been around since 2002 and is now part of the Kindred Group, which gives it serious institutional backing. The Slingo selection is solid, and the platform benefits from decades of operational refinement — the cashier works, the game lobby loads without drama, and customer support responds in reasonable time rather than after you’ve aged. The welcome offer typically includes a deposit match with standard wagering requirements (35x–40x on bonus funds). 32Red’s payout track record is among the more reliable in the UK market, with most withdrawals processed within 24 hours and e-wallet cashouts often faster. The site is fully optimised for mobile play without requiring a dedicated app, though one is available for those who prefer it.

6. bwin

bwin is primarily known as a sportsbook, and the casino side benefits from that infrastructure — the payment processing is robust, the account management is straightforward, and the platform handles high-volume traffic without buckling. The Slingo library is present and functional, though bwin’s focus remains firmly on sports betting and traditional slots. For players who want Slingo as part of a broader gambling portfolio rather than their sole focus, bwin is a reasonable choice. The welcome offer typically includes free spins and a deposit match, with wagering requirements attached. Withdrawals to e-wallets process within 24–48 hours; debit cards take 2–4 working days. Minimum deposit is £10.

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7. Paddy Power

Paddy Power doesn’t do anything quietly, and its approach to casino promotions is no exception. The Slingo selection is available through the broader casino lobby, and the platform is backed by Flutter Entertainment — the same group that owns Betfair and PokerStars — which means the payment infrastructure is battle-tested. The welcome offer tends to be aggressive, with large headline numbers attached to standard wagering requirements. Read the terms. The site’s mobile experience is strong, with a dedicated app that covers both sportsbook and casino functions. Paddy Power’s withdrawal speeds are competitive, with e-wallet cashouts often completing within 12 hours and debit cards taking 1–3 working days.

8. Fabulous Bingo

Fabulous Bingo is another Entain brand, and it shares much of the infrastructure with Foxy Bingo — including the Slingo library, which is one of the more extensive in the UK bingo-casino category. The site is aimed squarely at bingo players who’ve wandered into the casino section, and the Slingo titles are positioned as a natural extension of the bingo experience rather than a separate product. Wagering requirements on bonuses are standard (35x–40x), and the minimum deposit is £10. Withdrawal speeds mirror the Entain standard: e-wallets within 24 hours, debit cards 1–3 working days. The platform is mobile-optimised and doesn’t require a separate app.

9. Virgin Games

Virgin Games runs on Gamesys technology, which gives it a platform that’s been refined over decades of operation. The Slingo selection is present, though not as deep as the bingo-focused operators on this list. Where Virgin Games stands out is in its approach to player rewards — the site’s loyalty programme offers tangible benefits rather than the usual points-for-points-exchange schemes that amount to very little. The welcome offer typically includes free spins with standard wagering requirements. Withdrawals are processed efficiently, with most e-wallet cashouts completing within 24 hours. Minimum deposit is £10, and the site is fully mobile-optimised.

10. LottoGo

LottoGo sits at the intersection of lottery betting and casino gaming, which makes it an unusual entry on a Slingo-focused list. The Slingo library is the smallest of the ten operators here, but the platform is functional and the operator holds a UKGC licence. LottoGo’s strength is in its lottery-betting products rather than casino games, and players looking specifically for Slingo depth will find better options elsewhere on this list. That said, the site processes withdrawals reliably, the minimum deposit is low, and the platform works on mobile without issues. It earns its place here for completeness rather than Slingo-specific excellence.

Comparison Table: Slingo Casinos at a Glance

Operator	Typical Welcome Bonus	Wagering Requirement	Min. Deposit	Typical Withdrawal Speed	Slingo Library Depth
PlayOJO	Free spins, no wagering	None on free spin winnings	£10	24 hours (e-wallets faster)	Strong
Foxy Bingo	Deposit match + free spins	35x–40x on bonus funds	£10	Under 12 hours (e-wallets)	Very strong
Pub Casino	Cashback / free-spin drops	Varies by promotion	£10	Same-day (e-wallets)	Decent
MrQ	Free spins, no wagering	None on free spin winnings	£10	Within hours (e-wallets)	Moderate
32Red	Deposit match	35x–40x on bonus funds	£10	24 hours (e-wallets faster)	Solid
bwin	Free spins + deposit match	35x–40x on bonus funds	£10	24–48 hours (e-wallets)	Moderate
Paddy Power	Large deposit match + spins	35x–40x on bonus funds	£10	Under 12 hours (e-wallets)	Solid
Fabulous Bingo	Deposit match + free spins	35x–40x on bonus funds	£10	24 hours (e-wallets)	Very strong
Virgin Games	Free spins	35x–40x on bonus funds	£10	24 hours (e-wallets)	Moderate
LottoGo	Deposit match / lottery bets	Varies by promotion	Low (varies)	24–48 hours	Basic

Are Slingo Casinos Legal and Safe in the UK?

Yes — provided the operator holds a valid licence from the UK Gambling Commission. There is no separate “Slingo licence” in the UK. Slingo is a remote gambling product like any other, and the regulatory framework that applies to slots, bingo, and table games applies equally to it. Any casino offering Slingo to British players must either hold a UKGC licence directly or operate under a white-label arrangement where the licence holder is ultimately responsible for compliance.

The UKGC’s licence conditions cover game fairness, player fund protection, responsible gambling tools, and advertising standards. Operators must use Random Number Generators (RNGs) that have been tested and certified by approved laboratories — eCOGRA, GLI, BMM Testlabs, and iTech Labs are among the most common. For Slingo titles specifically, this means the game’s maths model, RTP configuration, and spin mechanics have all been verified before the game went live on the operator’s platform.

Player funds protection is another critical layer. Under UKGC rules, operators must either keep player funds in segregated accounts (ring-fenced from the company’s operating funds) or hold an equivalent insurance arrangement. This means that if the operator goes bust, your deposited funds — as opposed to bonus funds or pending winnings — should be recoverable. Not all regulators require this, which is one of the reasons UK-licensed casinos are generally considered safer than their offshore counterparts.

How to verify a casino’s licence yourself: scroll to the footer of the website and look for the UKGC logo and licence number. Click through to the UKGC’s public register (gamblingcommission.gov.uk) and search for the operator’s name. If the licence number doesn’t match, or if the register shows the licence as revoked or suspended, walk away. It takes two minutes and it’s the single most effective thing you can do to avoid the wrong kind of excitement.

Slingo Game Types: What You’ll Actually Find in UK Casino Lobbies

The Slingo library available to UK players has expanded considerably since Slingo Riches launched in 2015. Gaming Realms now operates dozens of titles, and the range spans from straightforward number-matching games to complex hybrid experiences with bonus rounds borrowed from slots and bingo alike. Understanding what’s available helps you pick the right casino — and the right game within it.

Slingo Classic: The base format. Five reels, a 5×5 ticket, ten spins to start, extra spins purchasable at escalating cost. Slingo Riches is the archetype, and it remains one of the most-played Slingo variants in the UK. The RTP tends to sit in the 94%–95% range, making it one of the more volatile options in the library. The escalating extra-spin cost is the key mechanic to understand: as your ticket fills, the price per extra spin rises, and the game will happily let you

charge you for it. That’s not a bug in the interface — it’s the game’s revenue model, and it works because the player’s brain is wired to think “I’m one number away” rather than “I’ve spent £4 on a spin that costs 40p.”

Slingo Branded: These are the licensed crossover titles — Slingo Rainbow Riches, Slingo Monopoly, Slingo Deal or No Deal, Slingo Centurion. They take a familiar brand and bolt Slingo mechanics onto it, usually with a themed bonus round that mimics the source material. Slingo Rainbow Riches, for instance, includes a Road to Riches-style bonus where you spin a wheel for multipliers. These titles tend to carry slightly higher RTPs than the classics — Rainbow Riches sits around 95.6% in commonly cited figures — because the licensing fees are offset by higher player engagement. They’re also the titles most likely to vary between operators, since the branded deals are negotiated individually.

Slingo with Jackpots: Several Slingo titles include progressive or fixed jackpot features. Slingo XXXtreme and Slingo Extreme are the most prominent examples, with jackpot pools that scale with play volume. The RTP on jackpot-inclusive Slingo variants is typically lower than the base game — the jackpot contribution eats into the return percentage — so the trade-off is straightforward: you’re paying a premium for the chance at a larger prize. Whether that’s worth it depends entirely on your tolerance for variance and your willingness to accept a lower expected return in exchange for a tail-risk payout.

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Slingo Live: A newer format that combines Slingo mechanics with live-dealer presentation. These games run in real time with a host, and the social element adds a layer of engagement that the RNG versions lack. The RTP on live Slingo variants is generally comparable to the branded titles, though the live format introduces its own house edge through the interactive bonus rounds. Availability varies by operator — not every UK casino carries live Slingo, and those that do often restrict it to peak hours.

Payments and Withdrawal Speeds: What to Expect at UK Slingo Casinos

Payment methods at UK-licensed casinos are constrained by regulation more than by operator preference. Since April 2020, credit cards have been banned for gambling deposits in the UK, which means the standard options are debit cards (Visa, Mastercard), e-wallets (PayPal, Skrill, Neteller), bank transfers, and prepaid methods like Paysafecard. Some operators also accept Apple Pay or Google Pay for deposits, though withdrawal support for these methods is less consistent.

Withdrawal speed varies more than deposit speed, because deposits are processed instantly in almost every case while withdrawals pass through internal review, payment processing, and the receiving bank’s own clearing cycle. E-wallets are consistently the fastest — PayPal, Skrill, and Neteller withdrawals from UK casinos typically clear within 12–24 hours after the operator’s internal processing, which itself can take anywhere from a few hours to one working day depending on the site. Debit card withdrawals take longer: 1–3 working days after processing is the norm, though some operators quote up to 5. Bank transfers are the slowest, with 3–5 working days being standard and occasional delays beyond that depending on the receiving bank.

The table below summarises the typical payment landscape across the operators on this list. These are category-typical figures rather than exact per-brand specifications — individual operators adjust their processing times based on volume, verification status, and payment provider agreements, and the numbers you experience will depend on your own account history and whether your identity has been fully verified.

Payment Method	Typical Deposit Time	Typical Withdrawal Time	Min. Deposit (Typical)	Notes
Debit Card (Visa/MC)	Instant	1–3 working days	£10	Most universally accepted; withdrawals return to card
PayPal	Instant	Within 12–24 hours	£10	Fastest e-wallet option; widely supported at UK casinos
Skrill	Instant	Within 24 hours	£10	Excluded from some welcome offers — check terms
Neteller	Instant	Within 24 hours	£10	Same exclusion caveat as Skrill at many operators
Bank Transfer	1–3 working days	3–5 working days	£10 (varies)	Slowest option; useful for larger withdrawals
Paysafecard	Instant	Not typically available	£10	Deposit-only at most operators; withdrawals require alternative method

One detail that catches people out: e-wallet exclusions from welcome bonuses. Many UK casinos — including several on this list — exclude Skrill and Neteller deposits from qualifying for the welcome offer. The stated reason is anti-money-laundering compliance, and it’s a legitimate concern from the operator’s side, but the practical effect is that players who prefer e-wallets may need to make their first deposit by debit card to unlock the bonus. Read the terms before you deposit, not after.

How We Rank Slingo Casinos: The Methodology

Ranking casinos is inherently subjective, but it shouldn’t be arbitrary. The assessment behind this list weighs five factors, each chosen because it directly affects the player’s experience rather than the operator’s marketing budget.

Slingo title availability and depth. Not just whether a casino offers Slingo, but how many titles, which variants, and whether the library includes the branded and jackpot versions that experienced Slingo players actually want. A casino with three Slingo titles in the lobby scores lower than one with fifteen, all else being equal.

Bonus terms and transparency. The headline bonus number means nothing without the wagering requirement, game weighting, maximum bet limits, and withdrawal caps attached to it. Operators that present their terms clearly — PlayOJO’s no-wagering model being the extreme example — score higher than those that bury critical conditions in PDF appendices.

Payout reliability and speed. Not just the quoted processing time, but the actual experience: how often withdrawals are delayed, how responsive customer support is when something goes wrong, and whether the operator has a pattern of adding verification hurdles at the withdrawal stage rather than the deposit stage.

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Platform quality on mobile. The majority of UK online gambling now happens on mobile devices, so a casino that treats mobile as an afterthought is penalised. This covers load times, game stability, cashier functionality, and whether the site works properly in a mobile browser without requiring a dedicated app.

Regulatory standing and player protection. UKGC licence status, responsible gambling tool availability (deposit limits, time-outs, self-exclusion via GAMSTOP), and any history of regulatory action. An operator with a clean compliance record scores higher than one that has been fined for advertising breaches or responsible gambling failures, regardless of how good its Slingo library is.

New Online Casinos 2026: Worth a Look or Not?

New casinos launching in the UK in 2026 face a regulatory environment that’s considerably tighter than the one that existed five years ago. The UKGC’s licence application process now includes enhanced due diligence on operators’ financial stability, their responsible gambling policies, and their technical infrastructure. This means the new casinos that make it to market are, on average, better prepared than the wave of new sites that launched between 2015 and 2020 — many of which folded within 18 months, taking player funds with them.

That said, “new” and “good” are not synonyms. A new casino might have a modern platform, a competitive welcome offer, and an impressive Slingo library on day one — and still lack the operational maturity to handle withdrawal spikes, customer support surges, or the inevitable technical issues that come with scaling. The operators on the list above have all been running for years, which means they’ve weathered the kind of stress tests that new sites haven’t yet faced.

If you do want to try a new casino in 2026, the same rules apply as with established operators: verify the UKGC licence, check the withdrawal terms before depositing, and start with a small deposit to test the payout process before committing significant funds. The welcome bonus at a new casino is often more generous than what established operators offer — new sites need to buy market share — but the wagering requirements are frequently higher to compensate. A 200% match with 50x wagering is mathematically worse than a 100% match with 20x, and the new casino’s flashy numbers are designed to obscure that fact.

Mobile Slingo: Playing on the Go in 2026

Slingo translates well to mobile. The game’s grid-based format doesn’t require the screen real estate that a five-reel video slot demands, and the spin-based mechanic works naturally with touch controls. Most UK casinos now offer Slingo through their mobile browser experience without requiring a separate app, though dedicated casino apps — available through the Apple App Store and Google Play Store — often provide faster load times and push notifications for promotions.

The question of app versus browser comes down to frequency of play. If you log in a few times a week, the mobile browser experience at any of the operators on this list will serve you fine — the games are built in HTML5 and run natively in Safari, Chrome, and Edge. If you’re playing daily and want the fastest possible access, a dedicated app is worth the 50–100MB of storage. Both PlayOJO and MrQ offer strong app experiences; Foxy Bingo and Paddy Power have apps that cover both casino and bingo/sportsbook functions respectively.

One practical consideration: mobile data. Slingo games are relatively light compared to live-dealer streams — a single session typically uses 10–20MB of data depending on the title and the quality of the graphics — but if you’re playing on a limited data plan, the difference between a well-optimised mobile casino and a poorly-optimised one can be the difference between a smooth session and a buffering nightmare. The operators on this list have all been tested for mobile performance, and the ones ranked higher generally deliver a more consistent experience on mid-range Android devices as well as iPhones.

Responsible Gambling: The Part Nobody Reads (But Everybody Should)

Every UKGC-licensed casino is required to offer responsible gambling tools, and the range has expanded significantly in recent years. Deposit limits — daily, weekly, and monthly — are the most basic tool, and they’re effective precisely because they force a decision in advance rather than in the moment. Time-out periods (typically 24 hours to six weeks) and self-exclusion (six months to five years, or permanent via GAMSTOP) provide stronger interventions for players who need them.

The UK’s GAMSTOP scheme deserves specific mention because it’s one of the more robust self-exclusion systems in the world. Registering with GAMSTOP blocks you from all UKGC-licensed gambling sites simultaneously, rather than requiring you to self-exclude at each operator individually. If you’re reading this and recognising patterns in your own play — chasing losses, borrowing to gamble, feeling anxious when you can’t play — registering takes about 10 minutes and the effect is immediate across the entire licensed market.

Slingo’s particular design features deserve a moment of honest attention. The escalating extra-spin cost, the “one number away” tension, and the rapid pace of play all combine to create a game that’s engineered to sustain engagement. That’s not unique to Slingo — it’s the design philosophy behind most modern gambling products — but it’s worth being aware of when you’re deciding how much to spend on extra spins in a single session. The game will always offer you another spin. The question is whether the price of that spin is one you set deliberately or one you accepted because the interface made it feel inevitable.

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Frequently Asked Questions

What is the best slingo casino in the UK for 2026?

PlayOJO ranks highest for Slingo players in 2026 due to its no-wagering bonus model, strong Slingo library, and reliable payout track record. Foxy Bingo and Fabulous Bingo offer deeper Slingo selections for players who prioritise title variety over bonus structure.

Are Slingo games fair and regulated in the UK?

Yes. Slingo is regulated as a remote gambling product under the UK Gambling Commission. Every Slingo title offered to UK players must be tested and certified by an approved laboratory, and the operator must hold a valid UKGC licence. The game’s RNG and RTP configuration are verified before launch.

Can I play Slingo for free at UK online casinos?

Some UK casinos offer demo versions of Slingo titles that let you play without wagering real money. However, not all operators provide demo mode, and the free-play versions may use a different RTP configuration than the real-money games. Check the casino’s game lobby or contact support to confirm demo availability.

What is the typical RTP of Slingo games?

Slingo titles typically carry an RTP between 92% and 96%, depending on the specific game and the operator’s chosen maths model. Slingo Riches generally sits around 95%, while branded variants like Slingo Rainbow Riches tend to run slightly higher at approximately 95.6%. The exact figure varies by operator.

How fast are withdrawals at Slingo casinos?

E-wallet withdrawals (PayPal, Skrill, Neteller) from UK Slingo casinos typically clear within 12–24 hours after the operator’s internal processing. Debit card withdrawals take 1–3 working days, and bank transfers take 3–5 working days. Processing speed depends on the operator and whether your account is fully verified.

Do Slingo casinos offer no-deposit bonuses?

Some UK casinos occasionally offer no-deposit free spins or bonus funds, but these are becoming less common as the UKGC tightens advertising rules around bonus offers. No-deposit bonuses, when available, typically come with high wagering requirements and strict withdrawal caps. Always read the terms before claiming.

Is there a dedicated Slingo app for UK players?

There is no standalone Slingo app. Slingo games are played through individual casino platforms, either via a mobile browser or a dedicated casino app. Operators like PlayOJO, MrQ, and Foxy Bingo offer well-optimised mobile experiences that include their full Slingo libraries.

The irony of writing 6,000 words about Slingo casinos is that the game itself takes about ninety seconds to explain: numbers get marked off a grid, lines pay out, and the house keeps the difference. Everything else — the bonus structures, the RTP configurations, the withdrawal speeds, the licensing frameworks — exists to dress up that simple transaction in enough complexity that you forget you’re paying a premium for the privilege. And the worst part? The extra-spin pricing on Slingo Riches still goes up by exactly the same increment every time, no matter how many times you’ve been caught out by it, and the interface never once suggests you might want to stop.