Limited-time offer

b399 Promotions — Welcome to bonuses, cashback & special offers

Bonus rewards on every deposit, cashback on daily losses, and referral bonuses for bringing in friends — b399's promotion program stands apart from any other platform in Bangladesh.

100% Welcome Bonus
5% Daily Cashback
BDT 500 Referral bonus
b399

Current Promotions

Offers available at b399 right now

Welcome Bonus

For New Members

Up to 100%

Get a 100% bonus on your first deposit — up to BDT 5,000. This is a one-time offer, so don't miss your chance.

New Member Limited time
Validity: Ongoing

Daily Cashback

Daily cashback on losses

5% Daily

5% of your total losses from the previous day will be automatically credited to your account each morning.

All members Automatic
Every day at 9:00 AM

Referral bonus

Refer a friend, earn rewards

BDT 500 per Referral

Refer friends to b399 and earn BDT 500 for every friend who makes their first deposit. The more you refer, the more you earn.

Unlimited Instant
Validity: Year-round

Weekly Reload Bonus

Monday Offer

Up to 30%

Deposit every Monday and get a 30% Reload Bonus — up to BDT 2,000. The best offer for regular players.

Weekly Mondays only
Every Monday until 12:00 PM

Tournament Bonus

Special tournament prize

BDT 1,00,000+

Join monthly tournaments and win from a massive prize pool reserved for top finishers. Events are held for both Fish Game and slots.

Monthly Big prizes
Last week of the month

VIP exclusive bonus

For VIP members

Custom Offer

Based on your VIP level, you'll receive personalised bonuses, faster withdrawals, a dedicated account manager, and invitations to exclusive events.

VIP Exclusive
Active year-round
b399

B399 Promotions — Every offer crafted exclusively for Bangladeshi players

How to claim your bonus

Secure your bonus in just a few simple steps

1
Create an Account

Register at b399 for free. The whole process takes just 2–3 minutes.

2
Choose a promotion

Browse the promotions page, pick the offer you want, and read the terms and conditions.

3
Deposit

Make a minimum deposit via Mobile Banking, Nagad, or Rocket.

4
Enter bonus code (if applicable)

Some offers require a bonus code. Enter the correct code at the time of deposit.

5
Bonus will be credited automatically

For most offers, the bonus is credited to your account automatically. For special cases, please contact support.

6
Play & Withdraw

Once the wagering requirement is met, withdraw your bonus winnings directly.

Promotion comparison table

Which offer suits you best — a quick overview

Offer Name Bonus amount Minimum Deposit Wagering Validity New Member Existing Member
Welcome Bonus 100% (up to BDT 5,000) BDT 500 20x 30 days
Daily Cashback 5% (up to BDT 1,000) Not applicable 1x Every Day
Referral bonus BDT 500 per Referral Friend's BDT 200 deposit 5x Year-round
Weekly Reload 30% (up to BDT 2,000) BDT 300 15x Every Monday
Tournament Bonus BDT 1,00,000+ Prize Pool BDT 200 Not applicable Monthly
VIP bonus Custom (no upper limit) VIP-dependent 10x Year-round
b399

B399 Promotion Program — Bangladesh's most diverse bonus system

B399 Promotions — Full Details

Bonus offers are everywhere on online gaming platforms these days, but not all offers are equal. The b399 promotion program is built around the real needs of Bangladeshi players — even small deposits can unlock meaningful rewards here.

Many platforms announce bonuses but bury them under terms so complex that withdrawing those funds becomes nearly impossible. b399 takes a different approach — every offer's terms are written in plain language, and wagering requirements are among the lowest in the industry.

How valuable is the Welcome Bonus, really

The b399 Welcome Bonus is the biggest opportunity for new members. Deposit BDT 500 and get an extra BDT 500 in bonus, giving you BDT 1,000 to play with from the start. At the maximum deposit of BDT 5,000, you receive a full BDT 5,000 bonus — meaning a new player can begin with a balance of BDT 10,000.

A 20x wagering requirement means you need to wager 20 times the bonus amount — which is well below the market average. For regular players, meeting this requirement is typically achievable within one to two weeks.

Why Daily Cashback matters

One truth about gaming is that you can't win every time. But with b399's Daily Cashback offer, a portion of each day's losses comes back to you. Lose BDT 2,000 on a given day, for example, and BDT 100 in cashback will be automatically credited to your account the next morning.

It may seem small, but it adds up over time. Say you have 10 losing days in a month, averaging BDT 1,000 each — by the end of the month you'd have BDT 500 in cashback, giving you an extra chance to play.

Referral Program — Bring a friend, both of you benefit

The b399 Referral Program is one of the most rewarding referral offers available in Bangladesh right now. When someone signs up using your referral link or code and makes a first deposit of BDT 200 or more, you instantly receive BDT 500.

Your friend gets a welcome bonus too, so it's a win for both of you. There's no cap on referrals — the more friends you bring in, the more you earn. Many members use this as a steady source of extra income.

Weekly Reload Bonus — A reward for regular players

Every Monday, b399 offers its regular members a 30% Reload Bonus. Deposit BDT 1,000 on a Monday and you get BDT 300 in bonus. This offer is designed for players who want to top up their balance at the start of the week.

With a 15x wagering requirement, this bonus is highly flexible. You can meet the requirement by betting on any category — slots, Fish Game, or Sports Betting.

Tournament Bonus — Where big dreams happen

The b399 monthly tournament program is genuinely exciting. Every month, separate tournaments are held for Fish Games and Slots, with a combined prize pool that can exceed BDT 100,000. The top 10 players win prizes.

A minimum balance of BDT 200 is all you need to join a tournament. Your leaderboard position updates in real time, making the competition even more exciting.

Things to keep in mind before claiming a bonus

Every bonus offer comes with terms attached — that's standard practice. At b399, the conditions are relatively straightforward, but there are a few things to keep in mind. First, you cannot withdraw directly from your bonus balance before meeting the wagering requirement. Second, multiple bonuses cannot be active at the same time. Third, all requirements must be fulfilled before the bonus expires.

Smart strategy

After claiming the Welcome Bonus, make sure the cashback option is still active on your account. The two cannot run simultaneously, so choose whichever suits your playing style better.

Responsible Gaming

Bonus offers make the experience more enjoyable, but they are not a guaranteed way to earn money. b399 always promotes responsible gaming. Please play within your set budget.

Best offers right now
Welcome Bonus
100%
Up to BDT 5,000
Claim Now
Daily Cashback
5%
Automatically every day
Log in
Referral bonus
BDT 500
Per successful referral
Refer
Promotion summary
  • Total active offers: 6 Times
  • Maximum bonus: BDT 5,000
  • Minimum Deposit: BDT 200
  • Cashback: Every Day
  • Support: 24/7
b399

B399 Bonus System — Transparent terms, fast payments, and a trusted experience

FAQ — Promotions

Most frequently asked questions about bonuses & promotions

No, the Welcome Bonus can only be claimed once per account. It is exclusively for new members on their first deposit. However, regular members have access to weekly Reload Bonuses, Daily Cashback, and Tournament Bonuses throughout the year.

Bonus balance cannot be withdrawn directly — you must first meet the specified wagering requirements. Once the requirements are fulfilled, any winnings from the bonus are automatically converted to your real balance and can then be withdrawn.

Generally, only one deposit bonus can be active at a time. However, daily cashback operates as a separate system — it runs automatically and does not conflict with other bonuses. Referral bonuses are also credited independently.

Your referral bonus is credited to your account as soon as your referred friend successfully registers and completes their first deposit — usually within 15 minutes. If you run into any issues, contact b399 support.

No, the weekly Reload Bonus is only active until 12:00 PM every Monday. You must deposit within that window to receive the bonus. Deposits made on any other day are not eligible for this offer.

Joining the b399 VIP program requires a minimum monthly wager or deposit amount. Once you reach VIP status, custom bonuses and exclusive perks are applied to your account automatically. Visit the VIP page for full details.

Claim your bonus today, start playing today

Sign up at b399 and enjoy a 100% Welcome Bonus on your very first deposit. Get started today — don't wait.

Safe & Trusted Fast Payments Big bonuses 24/7 support
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