From welcome bonuses and daily cashback to free bets, reload bonuses, and more — every deposit at 3999 b comes with a special reward waiting for you.
Browse the offers below, pick the one that suits you, and start enjoying the benefits right away
Get up to 200% bonus on your first deposit. This offer is specially designed for new members at 3999 b.
200% Up to BDT 20,000 on your first deposit Claim Now
Get up to 15% cashback on your daily gaming losses. Even when you lose at 3999 b, you get something back.
15% Direct cashback on daily losses Claim Now
If your first bet on cricket or football loses, you'll get it back as a free bet. 3999 b makes sure your start is a safe one.
BDT 500 Free Bet — On Your First Sports Bet Claim Now
Get up to 50% bonus on weekly reload deposits. An exclusive offer for 3999 b VIP members.
50% On Weekly Reload Deposits Go VIPJoin the weekly Live Casino tournament at 3999 b. Top the leaderboard and take home massive prizes.
BDT 1,00,000+ Weekly Tournament Prize Pool Join NowRefer friends to 3999 b and earn on every referral. The more friends you bring, the bigger your bonus.
BDT 200 For every successful referral Refer
All bonuses at 3999 b are credited to your account instantly with each deposit. No waiting, no complicated process.
On most online gaming platforms in Bangladesh, claiming a bonus comes with its share of headaches — lengthy wagering requirements, hidden terms, and endless confusion. 3999 b takes a different approach. Every promotion's terms are written in plain language, and the entire bonus process is fully transparent.
3999 b believes that when a player thinks about bonuses, there's really only one question on their mind — "Will I actually get this?" That question is exactly what drove the platform to rebuild its entire bonus system from the ground up. Everything from welcome bonuses to regular reloads, referrals, and special event bonuses can be managed from a single, straightforward dashboard.
See all ongoing promotions at 3999 b at a glance
| Bonus Name | Amount | Who is eligible | Wagering | Validity |
|---|---|---|---|---|
| Welcome Deposit Bonus | 200% | New Members | 10x | 30 Days |
| Daily Cashback | 15% | All Members | 1x | The next day |
| Sports Free Bet | BDT 500 | New Members | 3x | 7 Days |
| VIP Reload Bonus | 50% | VIP Member | 8x | 7 Days |
| Live Casino Tournament | BDT 1 Lakh+ | All Members | — | Weekly |
| Referral Bonus | BDT 200/Referral | All Members | 5x | Unlimited |
The information above is provided as a general guide. For the specific terms and conditions of each offer, log in to 3999 b for full details. Complete information is also available on the Terms & Conditions page.
Claiming a bonus at 3999 b takes just a few simple steps. Even if you're new, don't worry — just follow the steps below and your bonus will be in your account within minutes.
Many people assume claiming a bonus involves jumping through hoops. At 3999 b, it's actually very straightforward. After opening an account, your very first deposit makes you eligible for the welcome bonus — no separate application, no code to enter.
Register for free at 3999 b. All it takes is a mobile number or email — your account is ready in just 2 minutes.
Deposit via bKash, Nagad, or Rocket. The minimum deposit amount is kept very low.
As soon as your deposit goes through, the bonus amount will be credited to your bonus balance.
Complete the required betting amount as set by the bonus terms. You can do this on any game of your choice.
Once the wagering requirement is met, any winnings from your bonus can be withdrawn directly to bKash.
Your bonus balance is fully secure at 3999 b. If you ever run into an issue, our support team is available 24 hours a day to help.
While Bangladesh's online gaming market is packed with platforms, 3999 b's promotion system truly stands apart. Bonuses here aren't just for newcomers — regular players, VIP members, and even those who refer friends all get rewarded. Every action you take on 3999 b has real value.
Seasonal offers are a real highlight here too. Special bonus packages are available during events like the Cricket World Cup, IPL, football leagues, and Eid — far more rewarding than regular promotions. Make it a habit to check the promotions page regularly so you never miss a great offer.
Another major advantage of 3999 b is its low minimum deposit requirement. This means players on a smaller budget can still take advantage of bonuses. The platform truly ensures equal opportunity for everyone.
Join the platform trusted by millions of gamers across Bangladesh. Register now and kick things off with a 200% Welcome Bonus.