Casinos That Accept Mastercard in the UK

Updated November 2026

Licensed

Available in GB

Fast payouts

18+ Only

UK casino acceptance depends on the card type and cashier availability, while payment choice can affect deposits, withdrawals, bonuses and account controls.

When a Mastercard Deposit Is Available in the UK

A Mastercard deposit can be available at a UK casino when the card is a debit card and the operator offers that payment option to your account. UK casinos commonly accept debit cards, including Mastercard and Visa, but that general pattern does not mean every casino accepts every card product. Nor does a payment logo on a page confirm that the option is enabled for you when you open the cashier.

The distinction between debit and credit matters because UK rules prohibit credit-card payments for gambling. The regulator introduced the ban on 14 April 2020, and it remains in force. A Mastercard credit card is therefore not a permitted way to fund gambling at a UK-licensed casino. The restriction also covers credit-card payments routed through a money service business; changing the route does not turn a credit-funded payment into an acceptable debit-card deposit.

A card bearing the Mastercard name may be linked to a debit account, a credit facility or another product. The logo identifies the payment network, not the source of the funds or the card’s eligibility for gambling transactions. Check the product type with the card issuer if it is unclear. If the payment is credit-funded, do not try to route it through another service to make a gambling deposit.

General acceptance is not account-level availability

A specialist casino review may list Mastercard among a site’s payment methods. Treat that as an indication to investigate, not confirmation that a deposit will work at the time you use the site. The casino’s current cashier is the relevant place to see which methods are available to your account. Options can depend on the operator’s current setup and on whether your card product is accepted.

Casinos That Accept MiFinity in the UK

This is why “Mastercard casino” is not a precise category. Two sites can both display Mastercard in general payment information while showing different options in their cashiers. A site may accept Mastercard debit cards but not a particular issuer’s card, or the option may not be presented for a particular customer. A failed or absent option does not necessarily mean that Mastercard debit cards are unavailable everywhere; it describes the payment route offered in that specific situation.

Before depositing, check that the cashier explicitly presents Mastercard and that its terms identify the accepted card type. If the cashier only shows a general card symbol, look for the accompanying payment instructions or ask the operator to clarify whether debit cards are supported. Do not infer acceptance from a card logo elsewhere on the site, from an older review, or from another customer’s experience.

What makes an attempted deposit eligible

For a card deposit to be available, several parts of the transaction must align: the casino must offer Mastercard through its cashier, the card must be a permitted debit product, and the payment must pass the relevant checks by the operator and payment providers. The cashier’s display is useful because it reflects the options presented for your account rather than only a general statement about the casino.

Use the name and account details that belong to you, and make sure the card is yours to use. A mismatch between the casino account and payment details can create avoidable questions about ownership. If a transaction is declined, check whether the casino lists a specific reason before repeatedly attempting the same payment. A decline may relate to card eligibility or payment processing; it does not establish that credit-card gambling is allowed through a different route.

The same distinction applies when comparing sites described as new, popular or offering a bonus. Those labels do not establish that a Mastercard debit deposit is currently available, and they do not override the credit-card ban. You need to check the payment options for the casino and the card product you intend to use. A promotion is a separate matter from whether the cashier accepts the card, so do not treat a bonus advertisement as evidence of payment eligibility.

Credit Card Ban

UK rules prohibit the use of credit cards for gambling deposits, including payments routed through money service businesses.

Choosing a UK casino

For real-money gambling in Great Britain, the operator must hold the relevant UK Gambling Commission licence. A payment option does not establish that regulatory status. Check the operator on the Commission’s public register before depositing, then check the casino cashier for Mastercard availability. These checks answer different questions: the register concerns the operator’s authority to serve the market; the cashier concerns the payment methods currently offered to your account.

In practical terms, Mastercard deposits remain possible in the UK when the card is debit-funded and the casino’s current cashier makes that option available. They are not possible with a credit card, regardless of how the casino describes its payment methods. Use the card’s actual product type and the cashier’s current information to decide whether your intended deposit is eligible.

Recommended online casinos

1. NightWin
   Bonus: £900 + 400 free spins · Payout speed: 1-3 business days
2. Chanze
   Bonus: Slots Welcome Bonus #1 200% up to €500 · Payout speed: 1-3 business days
3. Britsino
   Bonus: Welcome Package – Get your £2,200 + 2,000 FS · Payout speed: 1-3 business days
4. Zombillion
   Bonus: Welcome Pack 250% up to £4000 + 200 FS · Payout speed: 1-3 business days
5. Dieselwin
   Bonus: Welcome Pack 250% up to £4000 + 200 FS · Payout speed: 1-3 business days
6. EvoSpin
   Bonus: 125% up to €2500 + 125 Free Spins · Payout speed: 1-3 business days
7. x3bet
   Bonus: Welcome Pack 100% Up to £1.000 + 200 Free Spins · Payout speed: 1-3 business days
8. Jetsetspins
   Bonus: 200% Bonus + 100 Free Spins + Free Royal Wheel · Payout speed: 1-3 business days
9. BeOnBet
   Bonus: 100% up to €500 + 100 FS · Payout speed: 1-3 business days
10. SlotoSport
    Bonus: 500% up to £ 10 200+ 777 FS · Payout speed: 1-3 business days

Other Ways to Fund an Online Casino Account

If Mastercard is not shown in a casino’s cashier, the alternatives may include a bank-based payment, a prepaid voucher or an e-wallet. These methods do not work in the same way: a bank payment sends funds through your bank, a voucher applies prepaid value, and an e-wallet uses an account with a payment provider. The cashier determines which options are available to you; a method being used by other casinos does not mean every operator offers it.

Bank-based payments

Open banking and bank transfers are two bank-based routes you may encounter. With open banking, you authorise a payment through your bank rather than entering card details in the casino cashier. A bank transfer moves funds from your bank account to the payment destination using the details or process supplied at the time of payment. The exact steps depend on the method presented by the operator.

Casinos That Accept Maestro in the UK: What to Check

A specialist review describes open banking and bank transfers as capable of providing instant deposits, with fast withdrawals also available at many sites. Treat that as a description of some operators, not a guarantee for every cashier or account. Before choosing a bank method, check the payment instructions and status shown by the casino. A payment that requires a separate transfer may not follow the same process as an instant, authorised transaction.

Bank-based options can be useful if you want to pay from your own bank account without using a card. However, the label alone does not tell you how the payment is initiated, how long the operator takes to record it, or whether that specific option is enabled for your account. Follow the cashier’s instructions rather than assuming that every bank transfer uses the same process.

Prepaid vouchers

Paysafecard is a prepaid voucher used for deposits only. You buy or hold voucher value and enter the required details at a casino that accepts it. This separates the deposit from a direct card payment, but the voucher should not be mistaken for a method that also handles withdrawals. Its stated use is deposit-only.

Check that the cashier names Paysafecard before obtaining a voucher for gambling. A voucher is not interchangeable with every other prepaid product, and acceptance at one casino does not establish acceptance at another. You should also check the operator’s instructions for applying the voucher, including whether it must be used through a particular payment screen.

Paysafecard is a deposit-only prepaid voucher and cannot be used to handle withdrawals.

Prepaid value can make the amount available for a deposit easier to define in advance, but it does not override the casino’s account rules. The operator still decides whether the payment method is available for your account, and a deposit must be made through the casino’s permitted process.

E-wallets

Skrill and Neteller are offered by some casino sites. A specialist review characterises them as commonly available among UK-friendly casino payment options, but availability is not universal and can change. Look for the provider in the cashier after signing in, and check the casino’s instructions before transferring funds to an e-wallet for this purpose.

An e-wallet acts as an intermediary account: you use the provider’s service to make a payment rather than entering bank details directly in the casino’s payment form. The provider and casino may each have their own account requirements. Having a Skrill or Neteller account therefore does not, by itself, mean that you can use it at a particular casino.

Payment eligibility and promotion eligibility are separate questions. A specialist review notes that Skrill and Neteller are often excluded from promotions, but the terms of the specific offer and the operator’s current cashier are what matter. If you intend to claim an offer, read its payment conditions before making a deposit; do not assume that every accepted payment method qualifies.

Casinos That Accept AstroPay in the UK: How to Check

Choosing between the alternatives

Start with the methods actually displayed in the casino cashier. Then identify what each one does: bank-based payments draw on a bank account, Paysafecard is a deposit-only voucher, and Skrill or Neteller require the relevant e-wallet account. This makes it easier to avoid choosing a method based only on its name or on information about another operator.

Also check that your chosen route is permitted for gambling use. UK remote gambling licensees cannot accept credit-card payments for gambling, including credit-card funding routed through a money service business. They also cannot accept wallet payments where the wallet allows credit-card funds to be used for gambling. Do not try to turn a prohibited credit-card payment into an acceptable one by passing it through another service.

The practical choice is the option that appears in your own cashier and whose instructions you can follow. If a method is absent, do not infer that a similar service or a different provider will work instead. Availability is specific to the operator and payment route, so confirm it before you start a transaction.

Debit Cards, Deposit Requirements and Cashier Checks

A casino’s payment information can show Mastercard without confirming that your particular debit card can fund your account. The cashier is the practical check: sign in, open the deposit area and see whether Mastercard is offered for your account and selected currency. A payment method listed on a general information page may not be available in the cashier at that moment.

Do

• Check the cashier while signed in
• Verify the specific card product eligibility
• Use the cashier’s displayed minimum deposit

Don’t

• Rely on general payment logos on the site
• Assume bonus eligibility from payment options
• Infer acceptance from older reviews

Specialist casino review pages may list Visa and Mastercard among a site’s payment methods, but that listing is not confirmation of current UK availability or of which card products are eligible. Check the operator’s own cashier before relying on it. If Mastercard appears, read the accompanying instructions to establish whether the option applies to debit cards and whether any issuer or card-product restrictions are stated. A Mastercard logo alone does not establish that every card carrying it will work.

The cashier also shows the deposit amount accepted for that method. Specialist casino review pages quote minimum deposits beginning within the £10–£20 range, with the amount depending on the payment method. Treat that as an indication to verify, not a guaranteed Mastercard minimum for your account. The cashier’s displayed minimum is the relevant figure before you submit a transaction; if it differs from a review page, use the current information shown by the operator.

A minimum-deposit search can refer to two different things: the smallest amount accepted in a transaction, or the amount needed to qualify for a promotion. Those conditions are not interchangeable. A casino may accept a card deposit at one amount while a separate offer has its own eligibility rules. Check the cashier for the transaction minimum and the promotion’s terms for any offer threshold, rather than assuming one figure governs both.

Casinos That Accept Upaycard in the UK: How to Check

A no-deposit promotion is different again. If an offer does not require a deposit, it does not follow that you must pay with Mastercard to receive it. The offer may have account or eligibility conditions, so read its terms and confirm how it is claimed. The presence of Mastercard in the cashier tells you about a possible deposit route; it does not establish that a deposit is needed for a no-deposit offer, or that the offer is available to every account.

Likewise, descriptions such as “free spins” or “no wagering” do not confirm that Mastercard is accepted. These describe an offer, while the cashier describes available payment methods. Check each separately: review the offer terms for what is included and open the cashier to confirm whether a Mastercard debit deposit is currently available. Do not make a deposit solely on the assumption that a payment-method listing guarantees access to a particular promotion.

Before confirming a card payment, make sure the selected method, currency and amount shown on the cashier match what you intend to use. If Mastercard is absent, do not assume the operator has stopped accepting it altogether; availability can be account-specific or depend on the card product. Check the operator’s current payment information or contact its support team for clarification. If the method is visible but the transaction is declined, the cashier or support team can help distinguish an operator restriction from an issue with the card.

The useful check is therefore specific: confirm that Mastercard is displayed for your signed-in account, that your debit-card product is eligible, and that the displayed minimum suits the amount you intend to deposit. Treat general payment lists and promotion labels as separate information, not as proof that a particular card transaction or offer will be available.

Payment Verification

• Confirm Mastercard is displayed for your specific signed-in account
• Ensure your card is a permitted debit product
• Verify that the displayed minimum deposit suits your intended amount
• Treat promotion labels and payment lists as separate information

Using Mastercard on Mobile Slots

A slot opening on your phone does not mean Mastercard is available to fund your casino account. The game and the cashier are separate parts of the service: the game may load through a mobile browser or app, while the cashier displays payment methods enabled for your account. You can therefore have access to mobile slots but no Mastercard option at the point of deposit.

The same distinction applies whether you want to play for free or for real money. Free-play access does not establish that a casino accepts Mastercard, and a game being available on mobile does not establish that you can use a card to deposit. For real-money play, check the cashier rather than relying on a slot page, app description or general payment-method list.

A specialist payment review may name Visa and Mastercard among a casino’s methods, but that is not confirmation that Mastercard is available to every UK customer. Availability can depend on the operator’s current cashier settings and the card product you hold. Check the deposit screen while signed in, and confirm that Mastercard is shown for your account before attempting a transaction. If it is absent, the fact that the casino’s slots work on your phone does not change that.

Currency is another separate setting. A specialist review may state that a casino supports GBP, but confirm the currency shown for your account before making a first transaction. If the account uses a different currency, a card payment may involve conversion; the amount displayed by the casino and the amount ultimately handled by your card issuer may therefore differ. Checking the account currency first helps you understand what the cashier is asking you to deposit.

Casinos That Accept Wirecard in the UK: What to Check

When checking a mobile cashier, make sure you are looking at the deposit options, not assuming that a method shown elsewhere is enabled for your transaction. Payment availability can differ by account and currency, so a list on a general information page is not a substitute for the options displayed after you sign in. If the method is unavailable, do not keep submitting card details; check the operator’s payment information or contact its support team to clarify what is enabled.

For a UK customer, legitimacy is not established by a polished mobile site, a working slot or a Mastercard logo. Remote gambling licensees serving Great Britain must hold the relevant UK Gambling Commission licence. Check the operator’s licence on the Commission’s public register before depositing. That verifies an important part of the service’s UK status, but it does not prove that a particular card will be accepted: the cashier remains the place to confirm current payment availability.

Real-Money Slot Play and Account Limits

When you play online slots for money, the payment step and the game’s stake controls are separate parts of the process. A Mastercard debit card may be a way to add funds where the casino offers it, but putting money into an account does not determine how much you stake on each spin. Your account balance, any limits you set, and the stake controls for the game all affect what you can spend.

Setting Limits

Set Financial Limit

Establish a financial limit through the casino’s responsible gambling controls before making your first deposit.

Manage Spend

Keep your Mastercard deposits within this predefined limit to control your gambling funds.

Observe Game Ceilings

Adhere to the legal stake limits of £2 for ages 18–24 and £5 for ages 25+ per game cycle.

Before a new customer makes a first deposit, remote gambling licensees must prompt them to set a financial limit. They must also make account-level limit controls accessible. This means the limit is managed through the gambling account; it is not simply a restriction imposed by the card issuer or a card’s spending setting. Check the account’s responsible-gambling controls before depositing so you know where the limit is recorded and how to access it.

A financial limit helps define the amount you are willing to make available for gambling. It does not guarantee a particular result, prevent every form of spending outside the account, or change the casino’s payment acceptance rules. If you plan to use Mastercard for real-money slots, decide on a limit before funding the account and keep your deposits within it. Do not treat a successful card transaction as a signal that further deposits are affordable.

A search for real-money slots with Mastercard can also mix together different questions: whether a casino accepts a card, whether a particular game is available, and whether you need to deposit to play. These are not the same thing. A no-deposit route, if offered, does not mean that a card deposit is needed; conversely, access to a slot does not establish that Mastercard is available for your account. Check the cashier and account controls separately.

UK rules also restrict the stake on online slot games. The maximum stake per game cycle is £2 for customers aged 18 to 24 and £5 for customers aged 25 and over. These are game-level legal ceilings, not recommended spending amounts and not substitutes for an account financial limit. A lower personal limit remains a separate control over your gambling funds.

Casinos That Accept Interac in the UK: What to Check

If a card payment is declined or the cashier does not show Mastercard, do not assume that changing the slot or its stake will resolve the payment issue. Payment availability belongs to the account’s cashier; responsible-gambling limits belong to account controls; and slot stakes are governed by the game and applicable rules. Keeping those mechanisms distinct makes it easier to see which setting applies before you play.

What Happens Between a Card Deposit and a Withdrawal

A Mastercard deposit and a casino payout are separate transactions. When you deposit with an eligible debit card, the payment is sent to the casino and may appear in your balance straight away. A withdrawal is not simply that transaction running in reverse: the casino must review the request, and the payout must follow the applicable payment and anti-money-laundering controls.

UK anti-money-laundering rules generally require winnings and returned funds to go back to the original payment source. This is known as a closed-loop approach. If you deposited by Mastercard, the casino may therefore direct funds back to that card rather than let you choose an unrelated destination. The cashier’s withdrawal instructions determine which routes are available for your account.

The same principle matters if you are looking for Mastercard direct withdrawals or a fast payout. A card that accepts deposits does not necessarily support withdrawals in the same way. Check the cashier’s withdrawal options and the operator’s terms before depositing; do not assume that the deposit route guarantees a matching payout route.

Attention: Due to closed-loop anti-money-laundering rules, winnings and returned funds must generally be sent back to the original Mastercard payment source.

Timing also differs because the casino has work to complete before a withdrawal is sent. It must approve the request, and KYC may still be needed, particularly for a first withdrawal. A specialist casino payment review describes card deposits as potentially instant while payouts can take several business days; that is an illustration of the difference in processing stages, not a timetable you can rely on for every account. Withdrawal speed depends on the casino’s own approval process and whether verification is complete.

If a payout takes longer than the deposit, that does not necessarily mean the card payment has failed. The deposit can be credited before the casino has reviewed a withdrawal, and the payout then has its own processing time. Check the withdrawal status and any verification request in your account. If the casino asks for information, follow its instructions; an incomplete review can delay approval.

A Mastercard credit card is not an alternative for gambling deposits at UK-licensed casinos: credit-card payments for gambling have been banned since 14 April 2020. The relevant route is an eligible debit card, where the cashier offers it. Before you play, confirm both the deposit option and the payout procedure for your account, rather than treating a successful deposit as proof that withdrawal will be immediate or use an identical route.

How Payment Choice Can Affect Casino Bonuses

A Mastercard deposit and a welcome bonus are separate decisions in the cashier and promotion terms. Seeing Mastercard as a deposit option does not establish that a particular offer applies to a Mastercard-funded payment. The reverse is also possible: an offer may be available to eligible customers, while the cashier does not show Mastercard for their account. Check both conditions before depositing.

Casinos That Accept Tether in the UK

The promotion’s terms determine which payment methods qualify. A specialist casino-review source reports that PayPal can be excluded from bonus eligibility, despite its use as a payment option. The same type of review reports that Skrill and Neteller are sometimes available for deposits but may be left out of promotions. These are not fixed rules across all casinos: the operator’s current offer terms are the relevant check.

Look for wording about payment-method exclusions as well as the offer’s general eligibility conditions. If the terms name excluded methods, compare that list with the method you intend to use. If they do not make the position clear, ask the operator before depositing; do not assume that a payment option shown in the cashier qualifies for a bonus.

A welcome offer, a slots promotion and a bonus code may each have their own conditions. A code being accepted, or an offer appearing on the promotions page, does not by itself confirm that a Mastercard deposit is eligible. The terms should identify the offer and explain any payment restrictions that apply. Do not rely on an advert or a general payment-method page to answer a question about a specific bonus.

A no-deposit offer is a separate case: by definition, it does not require you to make a card deposit to activate it. Its own terms still determine who can claim it and how it can be used. Avoid making a deposit solely on the assumption that it is needed for a no-deposit promotion.

Before accepting an offer, confirm its current terms on the operator’s site and check that the payment method you plan to use is not excluded. If you prefer to keep a bonus separate from a card transaction, read the offer conditions first rather than trying a deposit and assuming eligibility will be applied afterwards.

Minimum Deposits, Payment Caps and Account Controls

A minimum deposit is set by the casino for the payment method you select; it is not a standard Mastercard amount. A specialist casino review reports starting minimums in the £10–£20 range, with the amount depending on the method. Treat that as a guide to what one review reported, not a promise that every casino or Mastercard debit card will have the same threshold. The cashier’s current terms are the relevant check for your account.

If you are looking for a particularly small deposit, do not assume that a stated Mastercard option allows a £5 payment. The payment method may appear in a casino’s general information while its current minimum, availability or eligibility conditions differ in the cashier. Check the amount displayed before confirming a transaction, and do not proceed if it exceeds the amount you intended to deposit.

Maximum deposit caps are separate from minimums. A casino may set a ceiling for an individual transaction and different limits over a day or month. Those caps can vary with the payment method and your account status, so the limit shown to one customer may not apply to another. A card issuer may also decline or restrict a payment independently of the casino’s own cap. If a deposit is refused, check the cashier and account messages rather than repeatedly submitting the same payment.

Casinos That Accept USDC in the UK: How to Check

Transaction caps are not the same as the financial limits required by UK rules. Remote operators must prompt new customers to set a financial limit before their first deposit and make account-level limit controls accessible. These controls let you restrict your gambling spend; they are not simply a statement of the maximum amount the cashier will accept. Set a limit you can afford before depositing, and use the account controls if you need to reduce it.

For a Mastercard deposit, check both sets of figures: the cashier’s minimum and transaction maximum, then your own account-level financial limit. A payment can fall within the casino’s cap but still be blocked by a personal limit. Likewise, a larger account limit does not increase the payment method’s transaction cap. Confirm the details shown for your account before authorising the deposit.

Comparing the Cost of Mastercard Alternatives

A payment method’s apparent price can differ from its total cost. A specialist payment-method review identifies several possible charges: fees from the casino or payment provider, charges from your bank or card issuer, currency-conversion costs and network fees. Which ones apply depends on the route, your account and the transaction currency, so compare the method you plan to use rather than relying on a general claim that one option is cheapest.

Casino & Provider Fees

Direct charges applied by the operator or the payment service provider for the transaction.

Bank & Issuer Charges

Fees imposed by your own bank or card issuer, which may occur outside the casino cashier.

Currency Conversion

Costs arising from the exchange-rate spread when the casino account and payment account use different currencies.

Start with the amount that would leave your account. Check whether the casino charges for the transaction, then check the payment provider’s terms and your bank or card issuer’s fees. A charge may be applied outside the casino cashier, so a displayed deposit amount does not necessarily show the full cost. If a transaction crosses currencies, check which party performs the conversion and what rate it uses.

The exchange-rate spread is the difference between the rate used for the transaction and a reference market rate. It may not appear as a separate line item. A specialist payment-method review notes that this conversion cost can exceed a visible flat fee; therefore, comparing only stated fees can give the wrong result. If your casino account and payment account use different currencies, include that conversion in your comparison. Confirm the account currency before transacting.

For a fair comparison, use the same intended deposit amount and currency for each method. Add any casino charge, provider fee, bank or issuer charge, conversion cost and network fee that applies. The result is an estimate of the total cost for that transaction, not a permanent ranking: charges and exchange rates can change, and the same method may cost different amounts for different users.

There is no universally lowest-fee alternative to Mastercard. A method with no visible casino fee may still involve a provider charge or an unfavourable conversion rate; another may have a stated fee but no currency conversion for your account. Check the terms shown by the casino, provider and bank before choosing. If the total cost is unclear, do not infer that a zero-fee label covers charges imposed elsewhere.

Casinos that accept Zimpler in the UK: payment checks

Payment Security and UK Gambling Protections

A payment can be delayed for a basic reason: the casino needs to establish that the account and the funds belong to the same person. If your casino account details and Mastercard payment route are in your own name, their ownership information is more likely to match, reducing avoidable questions about who is funding the account. Using one named account consistently for deposits and withdrawals is generally the clearest arrangement.

That does not remove the operator’s checks. A remote gambling licensee may still need to complete KYC or ask for further information before processing activity on an account. If you use a payment route belonging to someone else, or switch between accounts with different ownership details, the mismatch can make it harder to confirm the source or destination of funds.

Returning money to the original payment source is a common anti-fraud and anti-money-laundering control. It helps link a payout to the account that funded the gambling activity. If the original route cannot be used, an alternative may involve extra verification. This is one reason a payment method should not be judged only by whether it appears in the deposit menu: the casino’s rules for ownership and payouts also matter.

Searches for Mastercard casinos that are not connected to GamStop can reflect a wish to keep gambling after self-exclusion. They should not be treated as a reason to look for ways around that protection. UK-licensed casinos must provide responsible-gambling tools, including self-exclusion, and the appropriate response to an active exclusion is not to seek another operator to continue playing.

For a casino serving customers in Great Britain, check that it holds a current UK Gambling Commission licence before depositing; remote gambling licensees selling into this market must be licensed. You can verify the licence number on the Commission’s public register. A UK licence also means the operator must provide an internal complaints process and access to an approved Alternative Dispute Resolution service. These protections are more relevant to a safe choice than whether a site advertises itself as outside a self-exclusion scheme.

Responsible Gambling