From welcome bonuses and weekly cashback to referral rewards and VIP perks — every deposit at b399 comes with something extra.
A b399 user from Dhaka enjoying bonuses on mobile
Not just the numbers — the terms are fair too
Many platforms online promise big bonuses, only for players to find the money locked behind a maze of conditions they can never meet. b399's bonus structure is built with Bangladeshi players in mind — straightforward terms, transparent rules, and fast eligibility.
Whether you're joining for the first time or have been playing for years, b399 aims to offer something extra at every stage. Bonuses here aren't a tactic to keep players locked in — they're a way to give players more to enjoy.
New or regular — b399 has something for everyone
On your first deposit at b399, you'll receive a bonus equal to the amount you deposit. Put in ৳1,000 and you'll have ৳2,000 to play with.
Deposit on two days a week — Monday and Thursday — and get a 50% reload bonus. Existing members get in on the deal too.
If you end the week with a net loss, b399 automatically credits 15% cashback to your account. No application needed.
Refer a friend or acquaintance to b399. Once they make their first deposit, ৳500 will be credited to your account — with no limit on how many referrals you can make.
B399 knows just how deeply cricket runs in Bangladesh. That's why during international cricket matches, BPL, and major tournaments, b399 rolls out special bonus offers that go well beyond the regular promotions.
From Chittagong to Sylhet, millions of Bangladeshi cricket fans take advantage of special odds boosts and free bets on match days at b399. During World Cup season, b399's bonus pool grows significantly as well.
A Fan Enjoying Cricket Betting on b399 in Chattogram
Bonuses at b399 Go Beyond Just Deposits
Playing regularly at b399 builds up your VIP points over time. You can use these points to unlock bonus credits, free spins, and personal cashback. The higher your VIP tier, the better the rewards.
B399 regularly offers free spins on selected slots and Live Casino games. On special days, extra chip bonuses are also available at the live baccarat and roulette tables.
Pohela Boishakh, Eid ul-Fitr, Eid ul-Adha, Durga Puja, Victory Day — b399 runs special bonus offers for every major festival. These offers are available for a limited time only.
Download the b399 app and get an extra bonus when you log in for the first time. Depositing through the app can also earn you up to an additional 5% bonus from time to time.
Join b399's monthly leaderboard tournament and compete for the top spot. The highest point-earners walk away with cash prizes, free bets, and exclusive trophies — and you can earn points from any game.
Depositing in USDT or other cryptocurrencies earns you an extra 8% bonus from b399. Crypto users also benefit from comparatively faster withdrawals.
In cities like Barisal, Pohela Boishakh is more than just alpona and panta-ilish — for many, it also means a special night of baccarat on b399. The festive mood and b399's bonus offers truly make it something to look forward to.
B399 understands that in Bangladesh, every festival is a time to celebrate with family and friends. That's why bonus offers get even bigger during the festive season — so players can enjoy a little extra joy, without any extra pressure.
Sitting down at b399's baccarat table on Pohela Boishakh night has become more than just a game for many — it's part of a cherished celebration. The special cashback bonus on that night makes the moment even more memorable.
Baccarat on b399 on Pohela Boishakh Night in Barisal
Your bonus will be active within just a few minutes
Sign up on b399 with your mobile number and complete registration in just a few minutes. Simple and straightforward.
Verify your identity using your National ID or passport. Approval typically comes within 24 hours.
Deposit via bKash, Nagad, or Rocket. You can get started with as little as ৳300.
As soon as your deposit is confirmed, b399 automatically credits the bonus to your balance.
A quick look at what each bonus offers
| Bonus Type | Amount | Wagering | Validity | Automatic |
|---|---|---|---|---|
| Welcome Bonus | 100% (up to ৳10,000) | 10× | 30 Days | |
| Reload Bonus | 50% (Up to ৳5,000) | 8× | 7 Days | |
| Weekly Cashback | 15% (up to ৳8,000) | 3× | 7 Days | |
| Referral Bonus | ৳500 per referral | 5× | 14 Days | |
| VIP Rewards | Varies by Tier | 2× | 30 Days | |
| App Bonus | ৳150 + 5% Extra | 5× | 7 Days | |
| Crypto Bonus | 8% on Every Deposit | 6× | 14 Days |
B399's bonus benefits aren't limited to Dhaka or Chittagong — players in Rangpur, Dinajpur, Gaibandha, and Kurigram get the same advantages. All you need is a mobile internet connection.
Many young people in northern Bangladesh now see b399 as a trusted source of entertainment. Settling in with family after dinner, opening b399 on a smartphone, checking out the Pohela Boishakh bonus offer — for a lot of people, it's become a small but enjoyable part of everyday life.
B399 ensures that no matter where you are in the country, your bonus is credited automatically the moment your deposit goes through — no separate request, no waiting.
Pohela Boishakh celebrations on b399 in Rangpur
A Few Practical Tips from Experienced Players
Most bonuses are valid for 7 to 30 days. Once you log in to b399, you can clearly see each bonus's expiry on your dashboard. Any unused bonus will expire when the time runs out.
Wagering refers to how many times you need to bet the bonus amount before you can withdraw it. b399's wagering requirements are much lower than most other platforms — still, it's worth reviewing them before claiming any bonus.
The weekly cashback is a safety net. Even after a rough week, b399 returns 15% of your net losses. Keep that in mind when planning your budget.
Keep push notifications enabled on the b399 app to be the first to know about new bonus offers. Festival bonuses are often available for a limited time only.
Bonuses can tempt players to place bigger bets than usual. b399's advice: stick to your budget whether you have a bonus or not. Responsible play is what pays off in the long run.
Frequently Asked Questions