We are more than just a gaming platform — b399 is the go-to destination for millions of Bangladeshi players. Delivering a safe, transparent, and thrilling gaming experience is what drives everything we do.
B399 was built on a simple but powerful idea — to give people in Bangladesh a safe, trustworthy, and genuinely fun online gaming experience. At the time, platforms available in Bangladesh lacked Bangla language support, had complicated payment systems, and raised serious questions about credibility. b399 was created to fill exactly that gap.
From day one, our team had a single focus — Player Experience. Whether it's technology, design, payment systems, or customer support — everything we've built has been with Bangladeshi users in mind. Integrating local payment channels like bKash, Nagad, and Rocket was our first major step, and it built player trust right from the start.
Today, b399 is more than just a gaming site. It's a community. Thousands of players enjoy Live Casino, slots, fish games, and Sports Betting here every day. Some play for fun, others have turned their skills into earnings — but everyone agrees on one thing: b399. Trusted.
B399's mission is to bring quality online entertainment to every corner of Bangladesh. We believe a great gaming platform isn't just about having a large game library — it means every game is fair, every payment is secure, and help is always available when something goes wrong.
Our team brings together experienced technologists, gaming specialists, and customer care professionals — all working continuously to make the platform better. Adding new games, speeding up payments, improving the mobile app — everything points to one goal: Your satisfaction.
B399 is a fully licensed and regulated platform. All our games run on certified RNG (Random Number Generator) technology, ensuring every result is completely fair and random. Independent third-party auditors regularly verify the integrity of our games.
We use the latest SSL encryption technology to protect your personal data and transactions. At b399, your information belongs only to you — it is never shared with any third party. This is a promise we have upheld from day one.
At b399, responsible gaming is always our top priority. We want our platform to be a place for entertainment, not stress. That's why we offer tools like deposit limits, self-exclusion, and cooldown periods. Our support team is here for you whenever you need help.
Every feature on our platform has been built with you in mind.
Your personal data and funds are protected with SSL encryption and advanced cybersecurity. At b399, your information stays completely safe.
Deposit and withdraw instantly via bKash, Nagad, and Rocket. Funds arrive in just 15 minutes — no hassle, no delays.
Live Casino, slots, Fish Game, Sports Betting — all in one place. New games added every week.
Smooth gameplay on both Android and iOS — enjoy the best mobile experience straight from your browser, no app download needed.
Even if you run into trouble at 1 AM, our Bengali-speaking support team is always there for you — any time, any day.
Welcome bonuses, cashback, referral bonuses, and VIP rewards — the opportunities never stop at b399.
A set of core values guides every decision we make. These aren't just words — they define what b399 stands for.
Every transaction, every rule — clear and transparent, no fine print.
RNG-certified games, fair outcomes — everyone gets an equal shot at b399.
We're not just a site — we're a family, a community.
Pushing ourselves to be better every day — that's what keeps us going.
B399 launched with a small team, starting out with just 10 games and bKash as the payment option.
The Live Casino section was added and a mobile-optimized interface was launched. Membership exceeded 50,000.
Deposits and withdrawals via Nagad and Rocket went live. The fish games section launched to an overwhelmingly positive response.
An exclusive VIP membership program launched, membership surpassed 200,000, and 24/7 live support went live.
Cricket, football, and international tournaments were added to the Sports Betting section. Total games surpassed 100.
Over 500,000 members have joined the b399 family. New features and faster payment processing are now live.
Welcome to the platform trusted by over 500,000 members. Register now and get a 100% bonus on your first deposit.