Legal Document

f5666 Terms and Conditions

Please read these terms and conditions carefully before using the f5666 platform. These terms apply to your account, bonuses, and transactions.

Last Updated: January 2026

By registering on or continuing to use the f5666 platform, you agree to fully accept and comply with all the terms and conditions stated below. Do not use the platform without reading these terms.

1. General Provisions

These terms and conditions ("Terms") form a legal agreement between the f5666 platform and its user ("you" or "user"). f5666 is an online casino, slots, live games, and sports betting platform operated for players in Bangladesh.

These terms are effective under Bangladesh Standard Time (BST, UTC+6). f5666 reserves the right to modify these terms at any time. Continued use of the platform after any changes will be considered acceptance of the updated terms.

f5666 is for individuals aged 21 (twenty-one) years or older only. If you are under 21, you must stop using this platform immediately.

2. Account Registration and Eligibility

2.1 Registration Requirements

To open an account on f5666, you must meet the following requirements:

  • You must be 21 years of age or older.
  • You must provide accurate and complete personal information.
  • Each person may open only one account. Multiple accounts are prohibited.
  • You must register the account in your own name — not on behalf of anyone else.
  • You confirm that online gaming is legally permitted in the country or region from which you are playing.

2.2 Account Verification

f5666 may request identity verification at any time. Failure to submit the required documents for identity verification may result in temporary suspension of your account. Providing false information will result in account termination and any pending winnings may be forfeited.

2.3 Account Security

It is your responsibility to keep your account login details (username and password) confidential. Allowing others to use your account is prohibited. If you suspect any unauthorized access to your account, you must notify f5666 support immediately.

3. Deposits and Withdrawals

3.1 Deposit Terms

The minimum deposit amount on f5666 is ৳100 (one hundred taka) per method. Accepted payment methods are: bKash, Nagad, Rocket, Upay, and bank transfer. You must only use payment methods registered in your own name.

3.2 Withdrawal Terms

The minimum withdrawal amount is ৳1,000 (one thousand taka). Withdrawal requests are generally processed within 1 hour. Your account must be fully verified before withdrawals can be made.

Withdrawals will be processed using the same payment method used for your most recent deposit at the time of the withdrawal request. Withdrawals to third-party accounts are strictly prohibited.

3.3 Bonus Money and Withdrawals

To withdraw funds earned from bonuses, the applicable wagering requirements must be met. The wagering requirement for the welcome bonus is 25 times. Bonus balance cannot be withdrawn until the wagering requirements are fulfilled.

4. Bonuses and Promotional Offers

4.1 Welcome Bonus

f5666 offers new players a 150% welcome bonus on their first deposit, up to a maximum of ৳5,000. To receive this bonus:

  • Your account must be verified before claiming the bonus.
  • A wager of 25 times the bonus amount must be completed.
  • Each player may receive this bonus only once.
  • Withdrawing while a bonus is active may result in the bonus being cancelled.

4.2 VIP Cashback Program

f5666's VIP program has 5 tiers. Weekly cashback is provided at each tier:

  • Bronze — up to 0.2% weekly cashback
  • Silver — up to 0.4% weekly cashback
  • Gold — up to 0.6% weekly cashback
  • Platinum — up to 0.8% weekly cashback
  • Diamond — up to 1.0% weekly cashback

Cashback is automatically credited to the account each week. Wagering requirements may also apply to cashback bonuses.

4.3 General Bonus Terms

f5666 reserves the right to modify, suspend, or cancel any bonus offer at any time. Misuse of bonuses or any attempt at fraud will result in cancellation of the relevant bonus and winnings. Multiple accounts from the same household or the same IP address may not claim bonuses.

5. Gaming Rules and Fair Play

5.1 Gaming Policy

All games on f5666 are operated using certified Random Number Generator (RNG) technology, which ensures fair play. There is no possibility of manipulation or interference with game outcomes. In the event of any technical error or server issue on the platform, f5666 reserves the right to void the bets of that round.

5.2 Prohibited Activities

The following activities are strictly prohibited and may result in account termination:

  • Using bots or automated software to play games.
  • Misusing bonuses or claiming bonuses from multiple accounts.
  • Money laundering or conducting suspicious financial activities.
  • Hacking or attempting to gain unauthorized access to the platform's software or systems.
  • Colluding with other players through prior arrangement ("collusion").
  • Exploiting vulnerabilities or bugs in the platform.

5.3 Dispute Resolution

If you have a dispute regarding a game outcome or transaction, please contact us via your registered email or through live chat. f5666 reviews all disputes fairly and its decisions are considered final.

6. Sports Betting Terms

f5666 offers betting on cricket, football, and other sports. The following terms apply to the sports betting section:

  • Bets are accepted at the odds set before the match begins.
  • Real-time odds apply for live betting.
  • If a match is abandoned or incomplete, the related bet will be voided and the stake will be refunded.
  • Rules for BPL, IPL, T20 World Cup, and other tournaments will be determined based on the official results of the respective tournament.
  • If incorrect odds are displayed due to a technical error, f5666 reserves the right to void those bets.

7. Responsible Gaming

f5666 takes responsible gaming very seriously. We believe gaming is a form of entertainment, not a source of income. Our platform offers the following to promote responsible gaming:

  • The ability to set deposit limits.
  • The option to voluntarily suspend your account temporarily.
  • A self-exclusion program.
  • The opportunity to seek guidance through 24/7 live chat support in Bengali.

If you are experiencing problems with gaming addiction, please read our Responsible Gaming page for more information. For players aged 21+ only.

8. Privacy and Data Protection

f5666 uses SSL encryption technology to protect your personal information. Your data is never sold to third parties. Detailed information on how data is collected, stored, and used is provided in our Privacy Policy.

To comply with Anti-Money Laundering (AML) regulations, we monitor suspicious transactions and are obligated to report to the relevant authorities when necessary.

9. Intellectual Property Rights

All content on the f5666 website — including logos, designs, text, graphics, software, and other elements — is the intellectual property of f5666. Copying, redistributing, or using this content for commercial purposes without prior permission is strictly prohibited.

10. Limitation of Liability

f5666 will not be held liable for the following:

  • Game sessions or bets affected by loss of internet connection.
  • Account details being exposed due to the user's own negligence.
  • Delays or errors by third-party payment providers.
  • Force majeure — natural disasters, war, government restrictions, or any other unavoidable circumstances.

f5666 is not responsible for any financial losses arising from gaming. Always game at your own discretion and risk.

11. Account Closure and Termination

11.1 Account Closure by the User

You may close your account at any time. Before closing your account, make sure all pending bets are settled and your winnings balance is withdrawn. You can request account closure by contacting the support team via live chat or email.

11.2 Account Closure by f5666

f5666 may close or suspend an account under the following circumstances:

  • Violation of these terms and conditions.
  • Evidence of fraud or bonus misuse.
  • Providing a false identity or information.
  • Suspected violation of Anti-Money Laundering regulations.
  • The account remaining inactive for an extended period.

12. Changes to Terms and Contact

f5666 reserves the right to modify these terms and conditions at any time. For significant changes, a notification may be sent to your registered email. The latest version will always be available on this page.

If you have any questions about these terms, please contact us:

For more information, please visit our FAQ section and About Us page.