Bangladesh's #1 Trusted Betting Platform

399b – Bangladesh's Most Trusted Cricket & Casino Betting Platform

Instant deposits via bKash, Nagad & Rocket. Bet on BPL, IPL, T20 World Cup and Bangladesh Tigers. Live casino, slots and table games available 24/7 with English and Bengali customer support.

500+ Games
50K+ Players
৳20K Welcome Bonus
24/7 Live Support
399b
21+ Only 399b is an adult-only gambling platform. Players must be 21 years or older to register and play. Gamble responsibly.

Why Players in Bangladesh Choose 399b

From Dhaka to Chittagong, Sylhet to Khulna — players across Bangladesh trust 399b for fast payouts, a huge game library, and genuinely helpful support.

Instant Deposits

Fund your account in seconds through bKash, Nagad, Rocket, and Upay — no waiting, no friction.

SSL-Secured Platform

Every transaction and personal data record is protected by 256-bit SSL encryption and regular security audits.

Best Odds on Cricket

Competitive lines on BPL, IPL, T20 World Cup, and Bangladesh Tigers matches updated in real time.

24/7 Support

English- and Bengali-speaking agents available around the clock via live chat with an average response under 3 minutes.

500+ Premium Games

Slots, live dealer tables, cricket betting, Teen Patti, Andar Bahar, and crash games — all in one platform.

Mobile-Optimized

Fully responsive design works flawlessly on any Android or iOS device — no app download required to enjoy the full experience.

BDT Currency

All balances, deposits, and withdrawals are handled in Bangladeshi Taka (৳), so there are no hidden conversion fees.

Rewarding VIP Program

From Bronze to Black Diamond — every wager earns loyalty points that unlock cashback, bonuses, and exclusive perks.

399b

Game Categories Overview

Cricket Betting

Bet on BPL, IPL, T20 World Cup, Test matches, and bilateral series featuring the Bangladesh Tigers. Pre-match and live in-play markets available with real-time odds updates.

Slot Games

Hundreds of slot titles from Pragmatic Play, NetEnt, Microgaming, and more — ranging from classic 3-reel machines to feature-rich Megaways and progressive jackpot slots.

Live Casino

Real dealers, real tables, streamed in HD 24/7. Choose from Live Baccarat, Live Roulette, Live Blackjack, and game show titles powered by Evolution Gaming and Ezugi.

Table Games

Classic Baccarat, European and American Roulette, Blackjack variants including Double Exposure Blackjack — all available in both RNG and live-dealer formats.

Teen Patti

The beloved South Asian card game available in multiple formats — Classic, Joker, and Muflis. Instantly recognizable to players across Dhaka, Chittagong, and Sylhet.

Andar Bahar

A fast-paced traditional card game with simple rules — pick Andar or Bahar and watch the dealer reveal cards. Available in both RNG and live-dealer versions.

Crash Games

Thrilling multiplier games like Aviator by Spribe — place your bet, watch the multiplier climb, and cash out before the crash. Pure skill, timing, and nerve.

Bingo

Social bingo rooms with multiple ticket options and chat features. Ideal for players looking for a relaxed yet rewarding gaming experience between cricket matches.

Hot Games at 399b

🎰
Slots

Gates of Olympus

RTP 96.5% · Pragmatic Play
🃏
Live Casino

Speed Baccarat

RTP 98.9% · Evolution
✈️
Crash

Aviator

RTP 97.0% · Spribe
🐉
Slots

Dragon Tiger Gold

RTP 96.2% · Pragmatic Play
🎲
Table

Live Roulette

RTP 97.3% · Ezugi
💎
Jackpot

Mega Moolah

Progressive · Microgaming
🦁
Slots

Sweet Bonanza

RTP 96.5% · Pragmatic Play
🎴
Card

Teen Patti Live

RTP 96.8% · Ezugi
Megaways

Big Bass Bonanza

RTP 96.7% · Pragmatic Play
🏏
Sports

Cricket Live Bet

In-Play · BPL / IPL
🃏
Blackjack

Double Exposure BJ

RTP 99.3% · NetEnt
🎯
Card

Andar Bahar Live

RTP 97.0% · Ezugi
399b

Slot Game Types Explained

Understanding different slot formats helps you pick the games that match your style and budget. Here is a quick breakdown of every major slot type available at 399b.

Classic Slots (3-Reel)

The original slot format — three reels, simple paylines, and nostalgic symbols like bars, bells, and lucky 7s. Perfect for beginners or players who prefer straightforward gameplay without complex bonus features.

Example Provider: NetEnt

Video Slots (5-Reel)

The modern standard — five reels with multiple paylines, themed graphics, free spins, multipliers, and interactive bonus rounds. The widest variety of titles falls into this category.

Example Provider: Pragmatic Play

Progressive Jackpot Slots

A portion of every bet feeds a network-wide jackpot that can grow into millions. One spin can change your life — though odds of hitting the top prize are long and the house edge is higher than standard slots.

Example Provider: Microgaming (Mega Moolah)

Megaways Slots

A patented Big Time Gaming mechanic where reel height changes on every spin, generating up to 117,649 ways to win. High volatility and massive max-win potential make these a favourite for experienced players.

Example Provider: Big Time Gaming

Cascading Reels

Winning symbols disappear after a payout and new symbols fall into their place, potentially triggering chain reactions of consecutive wins from a single spin. Gates of Olympus and Sweet Bonanza use this mechanic.

Example Provider: Pragmatic Play

Cluster Pays

Instead of fixed paylines, wins are awarded when a cluster of matching symbols forms — typically five or more touching horizontally or vertically. Offers a fresh gameplay feel and unique visual design.

Example Provider: NetEnt

RTP & House Edge Explained

399b

What Is RTP (Return to Player)?

RTP, or Return to Player, is a percentage figure that describes how much of the total money wagered on a game is theoretically paid back to players over a very large number of spins or rounds. For example, a slot with an RTP of 96% will return ৳96 for every ৳100 wagered — on average, over millions of rounds. RTP is a long-run mathematical expectation, not a guarantee for any individual session, so short-term results can vary widely.

Typical RTP Ranges by Game Type

  • Slot Games: 92% – 98% (most quality titles sit at 95%–97%)
  • Blackjack (optimal play): ~99.5%
  • European Roulette: ~97.3%
  • Baccarat (Banker bet): ~98.9%
  • Live Casino Games: 96% – 99%
  • Progressive Jackpot Slots: 88% – 94%

What Is the House Edge?

The house edge is simply the inverse of RTP — it represents the mathematical advantage the casino holds over the long run. A game with 96% RTP has a 4% house edge. No game eliminates the house edge entirely; even the lowest-edge games like blackjack and baccarat retain a small built-in margin that funds the platform's operations. Understanding house edge helps you set realistic expectations and manage your bankroll more effectively.

Why These Numbers Matter

Choosing games with higher RTP and lower house edge is one of the most straightforward ways to extend your playtime and reduce your average losses per session. At 399b, all game RTPs are certified by independent testing labs, and the figures are available to review before you start playing. Combine a high-RTP game choice with responsible bankroll limits and you give yourself the best realistic chance of an enjoyable, sustainable gaming experience.

Trusted Game Providers

399b partners exclusively with globally certified software providers — every game is fair, independently audited, and runs on proven technology.

Pragmatic Play
Evolution Gaming
Microgaming
NetEnt
Ezugi
Spribe
Play'n GO
Red Tiger
Big Time Gaming
Relax Gaming
399b

Payment Methods & Processing Times

All major Bangladeshi payment channels are supported. Deposits are processed instantly; withdrawal times depend on the method chosen and your account verification status.

Method Min Deposit Max Deposit Deposit Time Withdrawal Time Fee Notes
bKash ৳200 ৳1,00,000 Instant 15 – 60 minutes No platform fee
Nagad ৳200 ৳1,00,000 Instant 15 – 60 minutes No platform fee
Rocket ৳300 ৳50,000 Instant 30 – 120 minutes No platform fee
Upay ৳300 ৳50,000 Instant 30 – 120 minutes No platform fee
Dutch-Bangla Bank ৳500 ৳5,00,000 Within 30 min 1 – 24 hours Standard bank fees may apply
City Bank ৳500 ৳5,00,000 Within 30 min 1 – 24 hours Standard bank fees may apply
BRAC Bank ৳500 ৳5,00,000 Within 30 min 1 – 24 hours Standard bank fees may apply

Withdrawal processing times are estimates and may vary depending on KYC verification status and daily transaction volumes. 399b does not guarantee same-day withdrawals but aims to process all requests within 24 hours.

VIP Program 399b

Every wager you place at 399b earns loyalty points that move you up the VIP ladder. Higher tiers unlock better cashback, faster withdrawals, and exclusive privileges designed for serious players.

🥉

Bronze

Entry Tier

Monthly Turnover: ৳10,000+

  • 0.3% weekly cashback
  • Access to weekly promotions
  • Standard withdrawal speed
  • Priority email support
🥈

Silver

Rising Star

Monthly Turnover: ৳50,000+

  • 0.5% weekly cashback
  • Birthday bonus gift
  • Faster withdrawal queue
  • Live chat priority lane
🥇

Gold

Established Player

Monthly Turnover: ৳2,00,000+

  • 0.7% weekly cashback
  • Monthly reload bonus
  • Dedicated chat support lane
  • Exclusive Gold tournaments
💜

Platinum

High Roller

Monthly Turnover: ৳5,00,000+

  • 0.9% weekly cashback
  • Monthly VIP bonus
  • VIP-only tournaments
  • Same-day withdrawals
💎

Diamond

Elite Status

Monthly Turnover: ৳15,00,000+

  • 1.2% weekly cashback
  • Personal account manager
  • Exclusive Diamond events
  • Custom withdrawal limits
🖤

Black Diamond

Invitation Only

By Invitation

  • Bespoke cashback rate
  • Dedicated VIP host
  • Private events & gifts
  • Ultra-priority withdrawals
399b

How to Get Started at 399b

New to 399b? Getting your account up and running takes just a few minutes. Follow these six simple steps to go from sign-up to your first game.

1

Create Your Account

Visit the 399b Login page and click Register. Fill in your name, email address, mobile number, and a strong password. The entire process takes under two minutes and requires no upfront deposit.

2

Account Verification (KYC)

Submit a valid government-issued ID (National ID card or passport) and a recent utility bill for address verification. KYC is typically completed within 1–2 hours during business hours and is required before your first withdrawal.

3

Make Your First Deposit

Navigate to the Cashier section and choose your preferred payment method — bKash, Nagad, Rocket, Upay, or bank transfer. Enter your deposit amount (minimum ৳200 for mobile wallets) and confirm. Funds appear instantly for mobile wallet payments.

4

Claim Your Welcome Bonus

After your first deposit, head to the Promotions page and opt into the Welcome Bonus offer. Bonus funds are credited automatically once the minimum qualifying deposit is met. Always read the wagering requirements before claiming.

5

Play Your First Game or Bet

Browse the 399b game lobby or sports betting section. Whether you prefer slots, live casino, or placing a wager on a BPL cricket match, all games are fully accessible from both desktop and mobile browsers.

6

Request Your First Withdrawal

Once your balance exceeds the minimum withdrawal threshold and your KYC is complete, visit the Cashier and submit a withdrawal request. bKash and Nagad withdrawals are typically processed within 15–60 minutes.

24/7 Customer Support

At 399b, support is not an afterthought. Our team includes English- and Bengali-speaking agents available around the clock — whether you are in Dhaka, Rajshahi, or Cox's Bazar, help is always within reach.

  • English- and Bengali-speaking agents
  • Average response time: 2–5 minutes via live chat
  • FAQs and account queries handled in English
  • Dedicated VIP support lane for Gold tier and above
399b

24/7 Live Chat

Available every day, all year round — including public holidays and Eid. Access via the chat icon on any page of the 399b platform.

Avg. response: 2–3 minutes

Email Support

For detailed account queries, document submissions, or escalation requests. Send your email to our support address shown below.

[email protected]  |  Avg. response: 2–6 hours

WhatsApp Support

Quick queries and account assistance via WhatsApp message. Our number is listed in your account dashboard after login.

Available: 08:00 – 00:00 BST (UTC+6)  |  Avg. response: 5–10 minutes

In-App Messaging

Logged-in users can send direct messages via the 399b platform inbox. Responses are delivered to your account notification centre.

Available 24/7  |  Avg. response: 10–20 minutes

Responsible Gaming Tools

399b is committed to providing a safe and enjoyable environment. We offer a full suite of responsible gambling tools so that every player in Bangladesh stays in control of their experience.

Deposit Limits

Set daily, weekly, or monthly deposit caps directly from your account settings. Limits take effect immediately and cannot be increased for 24 hours after adjustment.

Loss Limits

Cap the maximum amount you are willing to lose within a set time period. Once reached, your account will be temporarily restricted from placing further bets until the period resets.

Session Time Limits

Set a maximum session duration — when the timer expires, you will be automatically logged out. A useful tool for players who want to keep gaming sessions short and focused.

Reality Check Reminders

Receive periodic on-screen reminders showing how long you have been playing and how much you have wagered during the current session — helping you make informed decisions.

Self-Exclusion

Request a temporary cooling-off period (1 day to 6 months) or a permanent self-exclusion directly from your account settings or by contacting our support team at [email protected].

Self-Assessment Quiz

Not sure if your gambling habits are healthy? Take our anonymous self-assessment quiz in the Responsible Gaming section of your account to get personalised guidance and support resources.

Important Notice: Gambling is intended for entertainment purposes only. It is not a source of income. 399b is strictly for players aged 21 and above. If you feel gambling is becoming a problem, please contact our support team immediately at [email protected] or visit our Responsible Gaming page for further assistance and resources.
399b
Your Privacy Matters at 399b

399b collects and processes your personal data solely for the purpose of operating your account, processing transactions, preventing fraud, and complying with applicable regulations. We use 256-bit SSL encryption on all data in transit. We never sell your personal information to third parties. By using the 399b platform, you agree to our data handling practices as described in our Privacy Policy. You may request deletion or export of your personal data at any time by contacting [email protected].

Ready to Join 399b Today?

Thousands of players from Dhaka, Chittagong, Sylhet, and across Bangladesh are already enjoying premium cricket betting and casino games at 399b. Your account takes just two minutes to set up.

21+ only  ·  Play responsibly  ·  SSL secured

Frequently Asked Questions

What is the minimum deposit amount at 399b?

The minimum deposit at 399b is ৳200 for mobile wallet payments including bKash, Nagad, and Rocket. For bank transfers via Dutch-Bangla Bank, City Bank, or BRAC Bank, the minimum deposit is ৳500. There are no platform fees charged on deposits, though your mobile carrier or bank may apply their own standard transaction charges.

How long do bKash and Nagad withdrawals take at 399b?

bKash and Nagad withdrawals at 399b are typically processed within 15 to 60 minutes of submission, provided your KYC verification is complete and the request is submitted during normal processing hours. Withdrawals submitted during peak periods or overnight may take slightly longer, but 399b aims to process all mobile wallet withdrawals within 2 hours.

Is 399b safe and legal for players in Bangladesh?

399b operates as a safe and reliable online betting platform using 256-bit SSL encryption, certified fair-play game software from globally recognised providers, and responsible gambling tools. All games are independently audited for fairness. Players are responsible for ensuring that online gambling complies with local laws in their jurisdiction. 399b does not make claims about specific government licensing in Bangladesh.

Can I bet on BPL and IPL cricket matches at 399b?

Yes, 399b offers extensive cricket betting markets covering the Bangladesh Premier League (BPL), Indian Premier League (IPL), T20 World Cup, ICC Test Championships, and bilateral series featuring the Bangladesh Tigers. Both pre-match and live in-play betting markets are available, with real-time odds updates throughout each match.

What age is required to play at 399b?

Players must be 21 years of age or older to register and play at 399b. Age verification is part of the KYC process and is required before any withdrawal can be processed. 399b takes its responsibility to prevent underage gambling seriously and reserves the right to request proof of age at any time.

What games are available at 399b Casino?

399b Casino offers over 500 games including video slots, progressive jackpot slots, Megaways slots, live dealer baccarat, live roulette, live blackjack including Double Exposure Blackjack, Teen Patti, Andar Bahar, crash games like Aviator, and bingo. Games are provided by leading studios including Pragmatic Play, Evolution Gaming, Microgaming, NetEnt, Ezugi, and Spribe.