All the games loved by millions of players across Bangladesh, in one place. Register at 399b and start playing today.
Whatever type of game you're looking for, you'll find it on 399b
This Pragmatic Play slot is one of the most played games on 399b in Bangladesh.
Play Baccarat with a real dealer. Asia's most beloved casino game is now live on 399b.
A traditional dice game from Southeast Asia, now available in a new version on 399b.
Spribe's crash game Aviator is now live on 399b. Cash out before the multiplier drops.
Play roulette on European and Asian tables. Multiple dealer tables are always open on 399b.
Simple rules, fast results. Dragon Tiger is one of the most popular games among new players on 399b.
Team up with friends in the multiplayer fishing game Ocean King and compete for prizes .
The most iconic card game from the Indian subcontinent. Play Teen Patti at a live table on 399b.
Win big prizes in a simple spin-and-win format — ideal for new players on 399b.
This classic Indian card game is even more enjoyable with a live dealer on 399b.
Just as thrilling as Aviator, but with different mechanics. JetX is the newest crash game on 399b.
PG Soft's Mahjong Ways slot is hugely popular on 399b. The free spin feature is a particular highlight.
Online gaming is growing fast in Bangladesh, and 399b is right at the center of it. From Dhaka to Chittagong, Sylhet to Rajshahi — players across the country are choosing 399b for its wide game selection, easy payment options, and local-language support, all in one place.
First-time players often wonder — which game should I start with? On the 399b platform, every game comes with a simple guide right beside it. Games like Dragon Tiger and Lucky Wheel have straightforward rules, making them easy to pick up for beginners. More seasoned players tend to spend their time on strategy-based games like Aviator or Mahjong Ways.
"I started out playing Dragon Tiger on 399b. Within just a couple of days I had the hang of it, and now I play Live Baccarat too."
Slots are easy at their core — spin and see what happens. But modern titles like Gates of Olympus and Mahjong Ways go deeper, with free spin rounds, multipliers, and bonus levels that add real excitement. On 399b, these games come from world-class providers including PG Soft, Pragmatic Play, and Habanero, so the graphics and audio quality are top-notch.
Players in Bangladesh tend to prefer spinning slots on mobile. Checking into 399b's mobile version for a few quick spins before bed or on the commute home has become part of the daily routine for many.
The Live Casino section on 399b is in a class of its own. Real dealers sit in front of a camera — dealing cards or spinning the roulette wheel — while you watch on your mobile screen and place your bets. It's about as close to a real casino experience as you can get. A decent internet connection is all you need, and 399b has put particular focus on keeping the live stream stable.
Live Baccarat is one of the most played games on 399b, and for good reason — the rules are simple. Just pick between Player and Banker. With an RTP of around 98.9%, it outperforms many other games, which is exactly why experienced players keep coming back to it.
Since Aviator launched on 399b, it's been a massive hit with younger players. A plane takes off, the multiplier climbs — and you have to decide when to cash out. Get out before the plane crashes and you win; wait too long and you lose. That simple but thrilling mechanic is exactly what makes Aviator so popular.
Strategy does play a role in Aviator. Some players cash out repeatedly at low multipliers — a "small but steady" approach. Others hold out for bigger multipliers, which carries more risk but opens the door to larger rewards. You can also discuss strategies with other players in the 399b chat.
Fishing games like Ocean King support multiple players at once. All kinds of sea creatures swim across the screen, and your job is to hunt them down — the bigger the catch, the bigger the reward. These games run smoothly on mobile at 399b, with graphics that really stand out.
Try the free demo mode first to learn the game, then play with real money.
The higher the RTP, the better your chances of returns over the long run.
Make the most of bonuses and vouchers for extra value.
Set a deposit limit to keep your spending in check.
Take breaks instead of playing for long stretches — it keeps your mind fresh.
What sets 399b apart from other platforms
399b games run smoothly even on a 3G connection. Enable low-bandwidth mode to cut down on data usage.
The 399b app is available on both Android and iOS, with a layout that looks and feels perfect on smaller screens.
Deposits and withdrawals via bKash, Nagad, and Rocket. Transactions are typically completed within 15 minutes.
All transactions are SSL-encrypted. Your personal and financial information is completely secure on 399b.
Whenever you run into an issue, 399b's Bengali-speaking support team is ready to help via live chat.
Daily reload bonuses, weekly cashback, and special offers on new game launches — 399b always has something on.
The most frequently asked questions about popular games