Bangladesh's #1 Online Platform
Thousands of games, live Sports Betting, live dealers, and lottery — all in one place. Get started now and claim your welcome bonus.
399b offers over a thousand games — from slots to live dealer tables, all in one place
Play directly with professional dealers — a real-time experience like no other
Experience real-time Baccarat with professional dealers. The best odds are at 399b.
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Your data is protected with SSL encryption and advanced firewall security.
Deposit & withdraw in minutes with bKash, Nagad, and Rocket.
Our Bengali-speaking support team is always ready to help with any issue.
The highest payout rate on the market — maximum value on every bet.
Enjoy the full experience on any device.
Log in every day to unlock new offers and bonuses.
Watch matches live and place bets in real time.
Play more, earn more points, and unlock exclusive rewards.
Start your 399b journey in just 4 simple steps.
Create an account in just 2 minutes with your mobile number or email.
Sign in securely with your credentials.
Deposit easily via bKash, Nagad, or Rocket and earn a bonus.
Pick your favorite game and enjoy the thrill of winning.
The higher your level, the greater the rewards
Choose the right plan for your budget and needs
Start for Free
For Serious Players
For High Rollers
Enjoy 399b anytime, anywhere — with our mobile app.
Smooth, lag-free gameplay.
Stay updated on the latest bonuses and offers.
Quick access with fingerprint login.
Smooth experience even on a weak connection.
399b places the highest priority on protecting your personal information. We never share your data with third parties. All transactions are secured with SSL encryption. Read our full policy to learn more about how we collect, use, and store your data.
Read Full Privacy Policy399b is a well-known and trusted name in online gaming and betting. For millions of players across Bangladesh, 399b is more than just a website — it's a complete entertainment experience. From the thrill of cricket matches to the excitement of Live Casino, everything is available in one place at 399b.
Our platform brings together the best games from world-class providers. Titles from Evolution Gaming, Pragmatic Play, NetEnt, and other leading studios are all available at 399b — from slots and poker to baccarat and roulette.
Cricket runs deep in the hearts of people across Bangladesh. At 399b, you can bet directly on Bangladesh national team matches. IPL, BPL, T20 World Cup — live betting is available across all major tournaments. And it's not just cricket — 399b also lets you bet on football, tennis, badminton, and more than 30 other sports.
Our Sports Betting section features real-time odds updates, a cash-out option, and live streaming — so you can watch the match as you place your bets. That's what sets 399b apart.
The Live Casino section at 399b has transformed online gaming in Bangladesh. You can now enjoy the experience of playing with professional dealers in real time, right from your home. Broadcast in HD, our live games deliver the authentic atmosphere of a real casino.
Beyond Live Baccarat, Live Blackjack, and Live Roulette, we also offer Live Teen Patti and Andar Bahar — games specially designed for Bangladeshi players. These tables feature Bengali-speaking dealers, making the experience even more enjoyable.
Deposits and withdrawals at 399b are fast, simple, and secure. Transact through all major mobile banking services including bKash, Nagad, and Rocket. Deposits are credited instantly, and withdrawals are processed in just a few minutes.
Our minimum deposit is just ৳200, making 399b accessible to players of all levels across Bangladesh. All transactions are protected by 256-bit SSL encryption, keeping your money and personal information completely secure.
399b offers rewarding bonuses for both new and existing members. New members receive a 100% Welcome Bonus of up to ৳10,000. Log in daily to unlock the Daily Login Bonus. Weekly cashback, referral bonuses, and exclusive seasonal promotions make 399b Bangladesh's most generous bonus platform.
Use exclusive codes through our voucher system to unlock extra bonuses. 399b runs special promotions for Pohela Boishakh, Eid, Puja, and all major national festivals — a reflection of our deep connection with Bangladeshi culture.
399b believes that fun and responsible play go hand in hand.
Set daily or weekly deposit limits to stay within your budget.
Set limits on your play time. Avoid excessive sessions and take regular breaks.
You can temporarily or permanently close your account at any time if you feel the need.
399b is strictly for users aged 18 and above. Account registration by minors is strictly prohibited.
