Frequently Asked Questions
All answers
about 21tk in one place
From opening an account to withdrawing funds — find simple and detailed answers to the most frequently asked questions about 21tk, Bangladesh's trusted online casino, right here.
21tk is committed to providing a complete English-language support experience for players in Bangladesh. The questions below are the ones our users ask most — everything related to creating an account, transactions with bKash and Nagad, bonus terms, cricket betting and responsible gaming is compiled here. If you cannot find the answer to your question, our 24/7 live chat support is always ready.
GROUP 01
Account and Registration
To open an account at 21tk, you must have an active Bangladeshi mobile number and be at least 21 years old. Complete the registration by entering your name, mobile number and a strong password in the sign-up form. The whole process takes just a few minutes.
No, each person is allowed only one account at 21tk. Creating multiple accounts may result in them being cancelled and any deposited funds and bonuses may be forfeited. This rule is strictly enforced in the interest of fair play.
If you have trouble logging in, first make sure your mobile number and password are correct. If you have forgotten your password, use the "Password Reset" option. If the problem persists, contact 21tk's 24/7 live chat support — our team is always ready to help in English.
Yes, after logging into your account you can update some information from the profile settings. However, for security reasons, changing your mobile number may require assistance from support. For any changes, consult support via live chat.
Yes, 21tk is for those aged 21 and above only. You will need to confirm your age during registration. Accounts belonging to underage users are closed immediately. Responsible gaming is our top priority.
GROUP 02
Deposits and Withdrawals
Deposits to 21tk via bKash are nearly instant — your balance is usually updated within a few minutes. The same timeframe applies for Nagad and Rocket. If a deposit is delayed for any reason, contact live chat with your transaction ID.
The minimum deposit amount at 21tk for all payment methods is ৳500. Amounts below this are not accepted. This limit applies to all three methods — bKash, Nagad and Rocket. There is an opportunity to receive a 150% bonus on your first deposit.
Withdrawals from 21tk are generally completed within 1 hour. Funds are sent promptly to your bKash, Nagad or Rocket account. You will receive an automatic notification once the approval process is complete.
The minimum withdrawal amount at 21tk is ৳800. For detailed fee information regarding transactions, please see the terms and conditions page or ask via live chat — we always provide transparent information.
Yes, depositing with Nagad is just as easy and fast as with bKash. Go to the cashier page, select Nagad, send to the specified number and confirm with the transaction ID. The same steps apply for Rocket users as well.
GROUP 03
Games and How to Play
To bet on BPL or any cricket match, first log in to your account and go to the cricket section. Select the match, event and your preferred outcome, enter the bet amount and confirm. In live betting, you can also place bets on ongoing matches by viewing real-time odds.
21tk offers slot games from various popular providers including PG Soft, Pragmatic Play and JILI. Enjoy a huge library including Fortune Tiger, Gates of Olympus, Fortune Gems and Aviator (Spribe). New games are added regularly, so there is always something fresh to play.
RTP (Return to Player) is a measure of how much of each bet a game theoretically returns to players over the long term. For example, a higher RTP means a greater statistical chance of more being returned to players on average — but it is not a guarantee of short-term winnings. It is a statistical average calculated over millions of rounds.
Yes, 21tk is fully mobile-friendly. Enjoy live casino, slots and sports betting from the browser of any Android or iOS device — no separate app download needed. With a good internet connection, you will have a seamless experience at the live dealer tables.
All games at 21tk are developed by certified providers and use Random Number Generator (RNG) technology. Every spin and round is completely independent and does not depend on previous results. The platform is secured with SSL encryption.
GROUP 04
Bonuses and Promotions
You will receive a 150% welcome bonus on your first deposit at 21tk, up to a maximum of ৳5,000. This means if you deposit ৳2,000, a ৳3,000 bonus will be added, letting you start with a total of ৳5,000. To withdraw the bonus, the total amount (deposit plus bonus) must be wagered 25 times.
A 25x wagering requirement means you must bet the total bonus balance 25 times before you can withdraw it as real money. For example, if you receive a ৳1,000 bonus, you must place ৳25,000 in bets — after that, any winnings are withdrawable. Please read the terms and conditions for full details.
21tk has three VIP tiers — Bronze, Silver and Gold. The Bronze tier offers weekly cashback of up to 0.5%, Silver up to 1.0% and Gold up to 1.5%. As you keep playing regularly, your tier increases and your benefits grow with it.
Yes, 21tk runs promotional offers during various festivals and special seasons. Separate terms apply to these offers. To stay up to date on the latest offers, log in to the platform regularly or ask via live chat.
Most bonuses can be used on slots, live casino and sports betting, but specific bonuses may have game restrictions. The terms and conditions of each promotion list the included and excluded games. Ask via live chat to be sure.
GROUP 05
Security and Responsible Gaming
21tk uses SSL encryption technology to keep all personal and financial information secure. Your data is not shared with any third party. You can find detailed information in our privacy policy.
If you feel you are playing too much, use 21tk's responsible gaming tools — there are options for deposit limits, session timers and taking a temporary break. Visit the "Responsible Gaming" page for more details. Contact live chat if you need help.
Yes, 21tk offers a self-exclusion option. To temporarily close your account for a set period, send a request via live chat or to [email protected]. This step is an important part of responsible gaming.
Yes, the 21tk support team provides full assistance in English. Live chat is active around the clock (24/7) according to BST — meaning you can get help any time of day or night. You can also reach us by email.
If you notice any unusual logins or transactions on your account, change your password immediately and notify support via live chat. Your account can be temporarily closed if necessary. Using a strong password and only your own device are the best practices.
No, 21tk is for those aged 21 and above only. We are firmly committed to keeping minors away from gaming. Parents are requested to keep their devices and account information secure. Contact support to report any suspected underage accounts.
Still have questions? Contact Support
Our English-speaking support team is by your side day and night, 24/7. Speak directly via live chat for any question, issue or advice.
DIRECT SUPPORT
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