644bd Online Casino — Enjoy uninterrupted play anytime, anywhere on mobile
Deposit just ৳500 with bKash or Nagad, get a 120% welcome bonus, and enjoy everything from live cricket betting to slots and live casino — all in one app.
Why Choose 644bd?
Built with Bangladeshi players in mind — fast, secure, and mobile-first.
Fast Withdrawal
Your money reaches your bKash or Nagad in just 10–45 minutes.
SSL Protection
Your information is fully secured with 256-bit SSL encryption and two-factor authentication.
Mobile-First Design
Android or iOS — a completely smooth experience on any phone, no app download needed.
Cricket Betting
BPL, IPL, T20 World Cup — live betting and detailed markets on all major matches.
Generous Bonuses
120% welcome bonus, weekly cashback, and VIP rewards on a regular basis.
Support in Bengali
A Bengali-speaking team is always by your side via 24/7 live chat.
Easy Payments
bKash, Nagad, Rocket, and Upay — transact easily with familiar mobile banking.
Fair Play Guarantee
Transparent odds, verifiable results, and an RNG-certified game environment.
120% Welcome Bonus — Get Started Today
On your first deposit at 644bd, you instantly receive a 120% bonus on your deposit amount, up to ৳10,000. Start with just ৳500 and withdraw after 10x wagering.
Bonus Terms Comparison
Transparency is our core principle — view all bonus terms at a glance.
| Bonus type | Bonus amount | Minimum Deposit | Wagering requirement | Validity |
|---|---|---|---|---|
| Welcome Bonus | 120% (up to ৳10,000) | ৳500 | 10x | 30 days |
| Weekly Reload Bonus | 30% (up to ৳3,000) | ৳500 | 15x | 7 days |
| Cashback (VIP-based) | 0.2%–1.2% weekly | Qualifying net loss | No wagering | Weekly automatic |
| Referral Bonus | ৳300 per referral | Friend must deposit ৳500 | 5x | 15 days |
| Free Spin Offer | 20 free spins | ৳500 | 20x on winnings | 3 days |
* All bonus terms and conditions apply. See Terms and Conditions for details.
Cricket Format Explained
Before betting on different cricket formats, it is important to understand the unique characteristics of each format. On 644bd, you can bet on BPL, IPL, BBL, PSL, and all major leagues.
Major leagues: BPL, IPL, BBL, PSL, The Hundred, T20 World Cup, ICC Champions Trophy. Special odds are available on Bangladesh Tigers matches.
T20 Format
20 overs per team, match duration around 3–3.5 hours. In-play betting, six-hit markets, wicket markets, and match winner betting are the most popular in this fastest format.
One-Day (ODI)
50 overs per team, match duration 7–8 hours. Target-based betting in the second innings and first powerplay runs markets are very popular.
Test Match
Five-day cricket, up to 90 overs per day. Markets include draw, match result, batsman century, and daily session betting.
The Hundred
100 balls per team, match duration around 2.5 hours. Betting markets are available for each set (10 balls) in this super-compact format.
Ready to win big?
Join 644bd today — easy on mobile, big bonuses, fast payments.
Create My AccountFor ages 21 and above only.
Live Casino Tables
Play in real time with professional dealers from Evolution Gaming and Ezugi. Experience live casino on mobile from Dhaka or anywhere across the country.
Baccarat
Player/Banker bets. Table limits: ৳100 – ৳50,000
Roulette
European and American Roulette. Limits: ৳50 – ৳30,000
Blackjack
Aim for 21 points. Limits: ৳100 – ৳40,000
Andar Bahar
South Asia's favourite live card game. Limits: ৳50 – ৳20,000
Dream Catcher
Game show spin wheel. Limits: ৳100 – ৳25,000
Dragon Tiger
Fast-paced two-card live game. Limits: ৳50 – ৳15,000
Types of Slot Games
644bd features hundreds of slot games from top providers including PG Soft, Pragmatic Play, JILI, NetEnt, and Microgaming. Learn about each type of game.
Classic Slots
Simple three-reel slots with straightforward rules. NetEnt and Microgaming are known for their classic slots.
Video Slots
Graphic-rich five-reel slots with multiple paylines and bonus features. Pragmatic Play's Gates of Olympus belongs to this category.
Jackpot Slots
The progressive jackpot pool grows with every bet placed. Microgaming is a pioneer in this type of slot.
Megaways Slots
Thousands of winning paths are created with every spin. Multiple providers use the Big Time Gaming mechanic.
Cascading Reels
Winning symbols clear away and new symbols drop in — multiple wins on the same spin are possible. PG Soft's Mahjong Ways is an example.
Cluster Pays
Instead of paylines, you win by forming clusters of matching symbols. Pragmatic Play's Sweet Bonanza is this type.
Loyalty and Rewards Program
Join the 644bd VIP program — earn points on every bet and keep climbing. Higher tiers bring more cashback, faster withdrawals, and a personal account manager.
Bronze
Weekly cashback up to 0.2%
Silver
Weekly cashback up to 0.5%
Gold
Weekly cashback up to 0.7%
Platinum
Weekly cashback up to 1.0%
Diamond
Weekly cashback up to 1.2%
Earn points on every bet and advance to the next level automatically. Diamond members receive a dedicated account manager.
Cashback and Rebate
Cashback is automatically credited to your account every week based on your net losses.
| VIP Level | Weekly Cashback | When It's Credited |
|---|---|---|
| Bronze | Up to 0.2% | Every Monday |
| Silver | Up to 0.5% | Every Monday |
| Gold | Up to 0.7% | Every Monday |
| Platinum | Up to 1.0% | Every Monday |
| Diamond | Up to 1.2% | Every Monday |
Terms & Conditions: Cashback has no wagering requirements. Net losses are calculated at the end of the week. If cashback is less than ৳10, it will be added the following week.
How Does Cashback Work?
Say you lost a total of ৳5,000 this week and you are on the Gold tier. You will receive ৳5,000 × 0.7% = ৳35 cashback — directly to your wallet, with no conditions.
"At 644bd, three commitments sit at the heart of everything we do: player safety, transparency, and entertainment."
— 644bd Team
RTP and House Edge Explained
RTP, or Return to Player, is a number that tells you: over the long run, how much money players get back on average for every ৳100 wagered. For example, if a game has an RTP of 96%, theoretically ৳96 should come back for every ৳100 bet — but this is an average across millions of rounds, not a guarantee for any single session.
House edge is the flip side of RTP. If RTP is 96%, the house edge is 4%. Slot games generally have an RTP between 92% and 98%; blackjack with the correct strategy has an RTP of around 99%; and European roulette typically sits in the 94%–97% range.
Volatility, or variance, refers to the pattern of wins — high-volatility games pay out less often but in larger amounts; low-volatility games pay out smaller amounts but more frequently. Even with the same RTP, volatility can make your experience feel completely different.
The bottom line: understanding RTP helps you choose games more wisely. A higher RTP means a greater chance of getting more back over the long run, but every spin or round is completely independent and random.
Bankroll Management Guide
Smart bankroll management is the key to playing enjoyably over the long term. The first step is to set a fixed budget — an amount that, if lost, will not affect your daily life.
Divide your total bankroll across multiple sessions. For example, if your monthly budget is ৳5,000, use ৳500–৳1,000 per session. This way, one bad session cannot wipe out your entire budget.
Experts recommend placing a maximum of 1%–5% of your bankroll on any single bet. Following this rule means your bankroll can survive even a long losing streak.
Set a target to stop after winning — for example, end the session once your bankroll doubles and set aside your winnings. Similarly, set a loss limit — take a break if you lose 50% of your session allocation.
Keep a record of your play: which games you bet on, how much you wagered, how much you won, and how much you lost. This information will help you understand your own patterns and make more informed decisions.
Quick Tips
- Set your monthly budget in advance
- Stick to the maximum 5% per bet rule
- Take session breaks — do not play for too long in one go
- Bet with a plan, not with emotion
- Set both a win target and a loss limit
- Do not increase your bets to chase losses
Account Verification Process (KYC)
To ensure a safe environment and prevent financial fraud, 644bd follows a transparent KYC process. This is done to protect your funds.
Registration
Create an account with your mobile number or email.
National ID
Upload photos of both sides of your NID (National Identity Card) or passport.
Proof of Address
A utility bill, bank statement, or government letter (issued within the last 3 months).
Selfie Verification
Upload a selfie holding your NID.
Review
Our team will review your documents within 1–24 hours.
Approval
Once verification is complete, full withdrawal access will be enabled.
Responsible Gaming Tools
644bd believes that gambling is entertainment — not a burden. We provide several tools to help you stay in control.
Deposit Limit
Set a daily, weekly, or monthly deposit limit. Once set, it takes effect immediately.
Loss Limit
Set a maximum loss limit for a specific period. Play will automatically stop when the limit is reached.
Session Time Limit
Set how long you want to play in one go. After the set time, a break reminder will appear.
Reality Check
At regular intervals, a message will appear on screen showing how long you have been playing and your total results.
Self-Exclusion
The option to exclude yourself for anywhere from 30 days to permanently. Once activated, it takes effect immediately and completely.
Self-Assessment Quiz
Your account includes a short question-and-answer quiz to help you understand your own playing habits.
Need help? If you feel gambling is causing problems in your life, please contact our 24/7 live chat support or visit the Responsible Gaming page.
Betting Terminology Glossary
Simple explanations of common betting and casino terms for new players.
RTP (Return to Player)
The percentage of the total amount wagered that players get back on average for every ৳100 bet over the long run. A higher RTP means a greater chance of getting more back over time.
House Edge
The casino's mathematical advantage — the share of total bets that the casino keeps on average. If RTP is 96%, the house edge is 4%.
Wager / Stake
The amount of money you are placing on a specific bet. Wagering requirements refer to how many times a bonus must be bet before it can be withdrawn.
Odds
A numerical expression of the probability of an event occurring. For example, if you bet ৳100 at odds of 2.50 and win, you receive ৳250.
Parlay / Accumulator
Combining multiple bets together into a single bet. If all selections are correct, the winnings multiply.
Live Bet (In-Play)
The ability to place bets in real time while a match is in progress. Odds change constantly depending on how the game unfolds.
Cashout
The ability to withdraw part or all of your potential winnings before the outcome of a bet is decided.
Bankroll
The total amount of money set aside for gambling. Bankroll management means handling this money wisely.
Volatility
Refers to how and how often wins occur in a game. High volatility means wins come less often but in larger amounts.
Free Spins
The opportunity to spin for free in a slot game — usually given as part of a bonus or promotion.
Spread
In sports betting, a point handicap given to level the playing field between two teams of differing strength.
Wagering requirement
The number of times a bonus must be wagered before it can be withdrawn. For example, 10x means ৳1,000 in bonus requires ৳10,000 in bets.
Customer Support Channels
For any question or issue, 644bd's support team is always ready. We provide support through two channels:
24/7 Live Chat
Instant support in Bengali. For account issues, bonus questions, or withdrawal queries — live chat provides the fastest resolution.
Email Support
Contact us by email for detailed questions, document submissions, or KYC-related matters.
For urgent matters, use live chat — it is the fastest option. Use email to send detailed complaints or documents.
Player Experiences
Here is what members from across Bangladesh have to say.
"After my first deposit on 644bd, I got the bonus instantly. I withdrew via Nagad and the money arrived in just 20 minutes. I have never seen such fast payments anywhere else."
"I did live betting on 644bd during the BPL season — the odds were better than other sites and in-play betting was very smooth. No lag on mobile, and getting support in Bengali is really convenient."
"The live casino section is great — especially the Baccarat tables. Since becoming Gold VIP, I have been receiving cashback every Monday without fail. Thank you 644bd for this wonderful platform."