120% Welcome Bonus at 3999b — Get up to ৳20,000 extra on your first deposit
New members at 3999b get a direct 120% bonus on their first deposit. Start your bonus journey with a deposit of just ৳200 via bKash, Nagad, Rocket, or Upay.
3999b's 120% Bonus — How does it work?
Bonus rate on first deposit
Maximum bonus up to ৳20,000
A 120% bonus is added directly to your first deposit at 3999b. The bonus starts from as little as ৳200, and you can receive up to ৳20,000 as a bonus. The wagering requirement is just 25x — applied on the bonus amount only.
Bonus calculation examples
Deposit ৳1,000 → Receive bonus ৳1,200 → Total balance ৳2,200
Deposit ৳34,000 → Receive bonus ৳20,000 → Total balance ৳54,000
(Bonus is capped at ৳20,000)
What is the wagering requirement?
The wagering calculation is based on the bonus amount only, not the total balance. For example: ৳1,200 bonus × 25 = a total of ৳30,000 in bets must be placed — only then can winnings from the bonus be withdrawn.
4 simple steps to claim your bonus
Create an account
Go to the 3999b Login page and create a new account. The process is quick and easy.
Make your first deposit
Deposit a minimum of ৳200 via bKash, Nagad, Rocket, or Upay. Your balance will be credited instantly.
Receive your bonus
Once your deposit is confirmed, the 120% bonus will be automatically added to your account.
Play and win
Use your bonus balance to play slots, cricket betting, or live casino games and complete the wagering requirement.
Instant deposits via bKash, Nagad, Rocket, and Upay
Any mobile wallet can be used to receive a bonus at 3999b. The most popular payment methods in Bangladesh are fully supported — bKash, Nagad, Rocket, and Upay.
Rocket is Dutch-Bangla Bank's mobile wallet, widely used across the country. The minimum deposit amount is just ৳200 for all methods.
- bKash — Fast and secure
- Nagad — Government postal service
- Rocket — Dutch-Bangla Bank mobile wallet
- Upay — Fast deposits and withdrawals
Withdrawal time: 30 minutes to 3 hours. Minimum withdrawal: ৳800.
3999b's various bonus offers
Welcome Bonus
120% bonus on the first deposit for new members, up to ৳20,000. Applicable once only.
New Member 120% BonusWeekly Cashback
VIP members receive cashback on their bets every week. Three tiers from Bronze to Gold.
VIP Every WeekCricket Bonus
Special promo offers are available for cricket betting during BPL, IPL, or T20 World Cup.
BPL / IPL T20Live Casino Promo
Special rebates and bonus offers are available when playing certain games in the live casino.
Live Casino RebateSlots Rewards
Regular slot game players receive special points and reward offers. Applicable to PG Soft and JILI games.
Slots PointsReload Bonus
Special reload bonus offers for existing members on re-deposits at specific times.
Re-deposit Special Offer3999b VIP — Cashback benefits across three tiers
The more you play in the 3999b VIP program, the more benefits you receive. From Bronze through Silver up to the highest Gold tier — the weekly cashback rate increases at every level.
There is no specific target required to move up a VIP tier — your account level is upgraded based on your regular activity and contribution to the platform.
| VIP Tier | Weekly Cashback | Benefits |
|---|---|---|
| Bronze | Up to 0.3% | Basic cashback |
| Silver | Up to 0.7% | Enhanced cashback |
| Gold | Up to 1.0% | Maximum cashback and priority service |
Claim your 120% bonus now
Get up to ৳20,000 in bonus on your first deposit at 3999b. Start from just ৳200 via bKash, Nagad, Rocket, or Upay.
3999b Login — Get Started
Key rules for using the bonus
3999b bonuses operate under fair and transparent rules. Please read the following before claiming a bonus:
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Wagering on bonus amount only:
The wager is calculated on the bonus amount only. ৳1,200 bonus × 25 = ৳30,000 must be wagered.
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Once per account:
The welcome bonus can be claimed once per account only. Multiple accounts are not allowed.
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Applicable to specific games:
The bonus can be used to play all games, but wagering contribution may differ for some games.
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Complete within the time limit:
The wagering requirement must be met within the designated time after the bonus is activated.
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View full terms and conditions:
To read the full bonus terms and conditions, please visit the Terms and Conditions page.