Bonus
No separate code or application is needed to claim the 3999b welcome bonus — it's fully automatic. First Register for free and verify your account. Then Payment Make your first deposit from the section — minimum ৳100 to get started. Once the deposit is confirmed, a 150% bonus is automatically credited to your wallet. For example, a ৳1,000 deposit earns you an extra ৳1,500 in bonus funds — bringing your total balance to ৳2,500. The maximum bonus is ৳15,000, achieved with a ৳10,000 deposit. Keep in mind this bonus is available on your first deposit only and cannot be withdrawn directly — you'll need to meet a wagering requirement before withdrawing. For full details on the bonus wagering conditions Terms & Conditions View on page.
Betting
Betting on cricket at 3999b is pretty simple. First, Login and go to the Sports Betting section. Select cricket and you'll see a list of all ongoing and upcoming matches — IPL, BPL, Test series, everything is covered. Click on the match you want to bet on, then browse the available markets — match winner, toss, total runs, top scorer, and more. Click your selection and it will be added to the bet slip. Enter your stake and review the potential payout. Finally, confirm your bet. Live match betting is even more exciting — odds shift over by over, so you can make decisions based on how teams are performing. The minimum bet amount generally starts at ৳50.
Payment
Winnings at 3999b are settled quickly after you win a bet. Once the result of a match or event is confirmed, the bet is automatically settled and your winnings are credited to your 3999b wallet instantly — usually within a few minutes. For Sports Betting, results are updated within 5–15 minutes of the match ending. In Live Casino games, winnings are credited as soon as the round concludes. Once funds are in your wallet, withdrawing to bKash or Nagad typically takes 15 minutes to 24 hours — faster if your KYC is verified. Withdrawals up to ৳500 are generally completed within 15–30 minutes; larger amounts may take a little longer. If there's a delay Financial Transactions Check your transaction status in the section or contact support.
Account
Registering at 3999b takes just 2–3 minutes. Registration page You'll need to provide: your full name, an active Bangladeshi mobile number (e.g. 01XXXXXXXXX), and a strong password — that's all that's required. An email address is optional but useful for password recovery. After submitting the form, you'll receive an OTP on your mobile — verify your number with it and your account is ready. No national ID or other documents are needed at registration. However, before making a withdrawal, KYC verification is required, which means you'll need to submit your NID or passport along with a selfie. One important note — only one account per person is allowed, and you must be 18 or older to register.
Betting
3999b isn't limited to cricket — you can bet on hundreds of sports. For football, markets are available for the English Premier League, La Liga, Bundesliga, Champions League, and domestic leagues in Bangladesh and India. You'll also find betting on tennis, badminton, basketball, volleyball, table tennis, and esports. Pre-match betting is available in advance for all sports, while live betting offers real-time odds updates as the action unfolds. Football markets include match result, both teams to score, handicap, total goals, and more. Once you enter the Sports Betting section, you'll see a full list of sports on the left-hand side.
Payment
3999b supports all major mobile banking methods in Bangladesh, available for both deposits and withdrawals: bKash (most widely used), Nagad, Rocket, and select bank transfers. The minimum deposit is ৳100, and maximum limits vary by method. Withdrawals require a minimum of ৳200 and are typically processed within 15 minutes to 24 hours. Importantly — both deposits and withdrawals must be made using a payment account registered in your own name; transactions through someone else's number may be blocked. For all payment-related information Payment Full details are available on the page.
Bonus
Wagering (or playthrough) means you need to place a certain amount in bets before you can withdraw your bonus funds. The 3999b welcome bonus generally carries a 20x wagering requirement. For example, if you deposit ৳1,000 and receive a ৳1,500 bonus (total ৳2,500), you'll need to wager 20 times the bonus amount — that's ৳1,500 × 20 = ৳30,000. You don't have to place it all at once — smaller bets over time count toward the total. One important thing to note: not all games contribute equally to wagering — Sports Betting typically counts at 100%, while some slots or table games may count at a lower percentage. For exact wagering rates and contribution details per game Terms & Conditions It's clearly stated on the page — worth reading through once.