From cricket and football to Live Casino, slots, and fish games — everything in one place. Fast deposits, guaranteed payouts, and 24/7 support mean we've always got you covered.
Thousands of players enjoy these games on b399 every day
Start your b399 journey in just 4 simple steps
Create your b399 account in just 2 minutes using your mobile number.
Log in securely with your username and password.
Deposit easily via bKash, Nagad, Rocket, or bank transfer.
Pick your favorite game and enjoy the thrill of winning.
Find out why millions of Bangladeshi players choose b399
Your data is fully protected with SSL encryption and advanced cybersecurity measures.
Your winnings in your account in just 3 minutes. No delays, no hassle.
Get more out of your betting with the most competitive odds on the market.
Whatever the issue, our expert support team is always here for you.
Play seamlessly on any device. A great experience on both Android and iOS.
Welcome bonuses for new members and exclusive offers for regular players.
A fully localized interface built with Bangladeshi players in mind.
Exclusive VIP perks, cashback, and special rewards for regular players.
B399 has established itself as a trusted and recognized name in Bangladesh's online betting and casino gaming space. Millions of players have made it their platform of choice over the years, and for good reason. b399's core mission is to provide every player with a safe, enjoyable, and fair gaming environment.
Cricket is Bangladesh's most beloved sport, and b399 gives it the attention it deserves. You can bet at the best odds on any major tournament — BPL, IPL, T20 World Cup, and more. We also cover football, tennis, badminton, and a wide range of other sports.
In the Live Casino section, you'll find Live Baccarat, Live Roulette, Live Blackjack, and much more. The thrill of playing with a real dealer on live camera is truly unmatched. b399's Live Casino partners are internationally certified and use fully fair Random Number Generator (RNG) technology.
B399 is a paradise for slots lovers. With hundreds of theme-based slot games, progressive jackpots, and free spin offers, your slots experience will be like no other. New games are added every week, so there's never a dull moment.
Fish games are growing more popular in Bangladesh every day, and b399 offers a top-tier fish game collection. With stunning graphics, smooth gameplay, and the chance to win big, our fish game section has become a firm favourite among players.
Depositing at b399 is simple and straightforward. All major mobile banking methods are supported, including bKash, Nagad, Rocket, and Upay, along with bank transfers and cryptocurrency. The minimum deposit is just BDT 300, making it accessible for players of any budget.
B399 is always fast and reliable when it comes to withdrawals. Most withdrawals are processed in just 3 to 10 minutes — no hidden charges, no unnecessary delays. Your winnings are yours, and that's our promise.
Our VIP program sets a new standard in Bangladesh's online betting scene. From Bronze all the way up to Diamond, each tier unlocks exclusive benefits including special cashback, birthday bonuses, and a dedicated personal account manager. The more you play at b399, the more rewards you earn.
B399 takes the security of your personal information extremely seriously. We never sell or share your data with third parties. All your data is protected by SSL encryption. To learn more, visit our Privacy Policy View page.
Real experiences from players across Bangladesh
"I was a bit hesitant about b399 at first, but my very first withdrawal put all doubts to rest — the money hit my bKash in under 5 minutes. I play every day now and have never had a single issue."
"b399 is the best for live cricket betting. The odds are genuinely competitive — I've compared them with other sites. Customer service is quick too; I've chatted at 2 AM and got a reply right away."
"I'm a huge slots fan. b399 has so many different slot games that just picking one takes time! Last month I hit a progressive jackpot — completely unexpected. The cashback after going VIP is fantastic too."
"b399 is where I got into fish games. The graphics are stunning and everything loads instantly. It plays just as smoothly on mobile too. I've already referred several friends."
"I deposit via Nagad and it's completely hassle-free. I used to run into all kinds of problems depositing on other sites. I've been on b399 for a month now and every single payment has come through without a hitch."
"Live Baccarat is my favorite. The dealers at b399's Live Casino are very professional and the streaming quality is excellent. It really feels like being in a real casino."
B399 believes gaming should be a source of fun, not stress. The well-being and safety of our players is always our top priority.
Learn MoreSet a daily or weekly spending limit in advance. Stick to your budget and never play with borrowed money.
Avoid long, uninterrupted gaming sessions. Take regular breaks and spend time with family and friends.
B399 is strictly for users aged 18 and above. Keep minors away from gaming and never share your account credentials.
If you feel your gaming is getting out of control, reach out to our support team. We're here to help you get back on track.
Answers to the most frequently asked questions about b399
