Bangladesh's trusted online betting experience — 3999b
3999b is a safe, fast, and enjoyable online betting and casino platform built for players in Bangladesh — with everything from cricket to slots all in one place.
How 3999b Was Built
3999b was built with a simple purpose — to make online betting in Bangladesh easier, safer, and more enjoyable. With millions of cricket fans and casino players in this country in mind, the vision was to create a platform where Bengali-language support is available at any time and deposits and withdrawals are completely hassle-free.
Our mission is to give every player a fair and transparent environment. 3999b uses SSL encryption and advanced security technology to keep your personal information and financial transactions fully protected. Fair play is not just a phrase for us — it is the foundation of everything we do.
The biggest advantage for players in Bangladesh is payments. Via bKash, Nagad, Rocket, and Upay — these four popular mobile wallets — you can start playing with a deposit of just ৳200. We place equal importance on withdrawals — your money typically arrives within 30 minutes to 3 hours. The minimum withdrawal is just ৳800, so even smaller wins are easy to cash out.
We believe a good platform is measured not only by the variety of games it offers, but also by the quality of its relationship with players. That is why 3999b offers live chat and email support in both Bengali and English, 24 hours a day, 7 days a week. Our skilled support team is always ready for any question or issue you may have.
To reward players for their long-term loyalty, we have created a three-tier VIP program — Bronze, Silver, and Gold. The more you play, the more weekly cashback you earn. And for new players, there is an attractive 120% welcome bonus — with the chance to receive up to ৳20,000 on your first deposit.
3999b is not just a betting site — it is a community deeply connected to the sports and entertainment culture of Bangladesh. Whether it is a cricket match by the Tigers or an exciting slot game, our goal is to make every moment enjoyable at 3999b.
VIP Program
From Bronze to Gold — weekly cashback across three tiers. The more you play, the more rewards you earn.
120% Welcome Bonus
120% bonus on your first deposit — up to ৳20,000. Get started with a deposit of just ৳200.
Our Key Benefits
A brief look at what we do to make every player's experience better.
Secure & Encrypted
Every transaction and piece of personal information is kept fully secure through SSL encryption and advanced firewall technology.
Fast Withdrawals
Withdraw from as little as ৳800. Funds typically arrive in your mobile wallet within 30 minutes to 3 hours.
Cricket Betting
Wide markets across cricket tournaments including BPL, T20 World Cup, and IPL — for all cricket fans in Bangladesh.
Huge Game Collection
Hundreds of slots and casino games from leading providers including PG Soft, Pragmatic Play, JILI, and Spribe — all on one platform.
24/7 Bengali Support
Reach us by live chat or email in Bengali at any time. Our support team is ready seven days a week, twenty-four hours a day.
Local Payments
bKash, Nagad, Rocket (Dutch-Bangla Bank's mobile wallet), and Upay — deposit and withdraw using the most popular payment methods in Bangladesh.
The Principles That Guide Us
A set of core principles drives every decision at 3999b. These values reflect our commitment to our players, our service, and our plans for the future.
Transparency & Trust
We are fully transparent with our players. From bonus terms to withdrawal policies — everything is communicated clearly. No hidden fees or misleading conditions.
Player-Centered Service
Every feature, every update, every decision is made with players in mind. Your convenience is our top priority.
Fair Play
We ensure that every player has an equal opportunity. Our games are operated following internationally recognized fair play standards.
Responsible Gambling
We believe playing should be for enjoyment, not under pressure. That is why 3999b provides helpful information and tools for responsible play. For players aged 21+ only.
Technical Excellence
From mobile to desktop — the 3999b experience is smooth and fast on any device. We continuously invest in improving our technology.
Join 3999b today and get a bonus up to ৳20,000
A 120% welcome bonus on your first deposit, fast withdrawals, and 24/7 Bengali support — 3999b has it all ready for you. Visit our bonus page to learn more about the bonus details.