644j Online Casino — with support in Bengali available around the clock
From cricket betting to live casino — play safely at 644j, deposit with bKash or Nagad, and get 24/7 support in Bengali.
Why Choose 644j?
644j stands out among online betting platforms in Bangladesh because it was built with Bangladeshi players in mind.
Fast Withdrawals
Your money reaches your bKash or Nagad in just 10–45 minutes. No more long waits.
Fastest PayoutsSecure Platform
SSL encryption and fair play technology keep your information and money protected.
SSL Secured24/7 Bengali Support
No need to worry even if you have an issue at 2 AM. Our Bengali-speaking team is always ready on live chat.
Round-the-Clock ServiceLocal Payments
Deposit and withdraw directly with bKash, Nagad and Rocket — without any hassle.
Local MethodsGenerous Bonuses
Get up to 150% bonus on your first deposit, along with VIP cashback and weekly rewards.
Top BonusesCricket Betting
Place live bets on BPL, IPL, T20 World Cup and all major tournaments at the best odds.
Live CricketHuge Game Collection
Slots, live casino, fishing games, card games — all types of games in one place.
Many CategoriesMobile Optimized
Works smoothly on any Android or iOS device — no separate app needed.
Mobile Friendly
Welcome Bonus Offer
Up to 150% Bonus on Your First Deposit
- Deposit ৳1,000 → Get ৳1,500 bonus → Total balance ৳2,500
- Deposit ৳22,000 → Get up to ৳15,000 bonus → Total balance ৳37,000
- Wagering requirement: only 15x
- Minimum deposit just ৳300 — with bKash, Nagad or Rocket
- Applies to the first deposit of a new account
For those aged 21 and above only. Terms and conditions apply.
Ready to win big?
Thousands of Bangladeshi players enjoy cricket betting, slots and live casino at 644j every day.
Log In and Get StartedHow to Get Started
Begin your 644j journey in just four steps.
Register
Go to 644j and create an account quickly with your mobile number and name. It takes just a few minutes.
Log In
Log in securely with your username and password. If you forget your password, there is a reset option.
Make a Deposit
Deposit at least ৳300 with bKash, Nagad or Rocket. It will be added to your balance instantly.
Place a Bet
Bet on cricket matches, spin slots or join the live casino — the choice is yours.
Top Slot Games
The most popular games right now all in one place — top titles from PG Soft, JILI and Pragmatic Play.
Top Game Providers
In partnership with world-class providers, 644j brings you a quality gaming experience.
PG Soft
PG Soft specialises in Asian-themed slot games. Their games run great on mobile and are known for smooth animations. This provider is very popular among Bangladeshi players.
Pragmatic Play
Pragmatic Play is one of the largest software providers in the world. Slots, live casino and virtual sports — they have all types of games.
JILI
JILI has added a new dimension to fishing games, slots and table games. Their fishing games are built specifically for the Asian market and packed with bonus features.
Evolution Gaming
Evolution Gaming is the world leader in the live casino segment. Live roulette, blackjack, baccarat and game shows — all broadcast live with real dealers.
Spribe
Spribe is the pioneer of the crash game genre. Their Aviator game is played by hundreds of millions of players worldwide. Simple rules, fast rounds and high excitement define this game.
Microgaming
Microgaming is one of the founding names of the online casino industry. Their vast slot portfolio and progressive jackpot network have been trusted for years.
Payment Methods and Timings
Minimum deposit ৳300 and minimum withdrawal ৳1,000. Withdrawals are generally completed within 10–45 minutes.
| Method | Minimum Deposit | Processing Time | Fee |
|---|---|---|---|
| bKash | ৳300 | Instant | Free |
| Nagad | ৳300 | Instant | Free |
| Rocket | ৳300 | Instant | Free |
| Dutch-Bangla Bank | ৳300 | 1–24 hours | As per bank policy |
| City Bank | ৳300 | 1–24 hours | As per bank policy |
| BRAC Bank | ৳300 | 1–24 hours | As per bank policy |
* Withdrawal time is 10–45 minutes (mobile wallet). Bank transfers may take longer.
Loyalty and VIP Program
The more you play at 644j, the more rewards you earn. In our five-tier VIP program, every bet moves you up to the next level.
Weekly cashback up to 0.2%
Weekly cashback up to 0.5%
Weekly cashback up to 0.7%
Weekly cashback up to 1.0%
Weekly cashback up to 1.2% — top benefits and a personal account manager
Built for Bangladeshis
644j was built from the start with Bangladeshi users in mind. From Dhaka to Sylhet — a smooth experience is available from any part of the country.
The site and support are fully in Bengali — no translation app needed.
All balances, bonuses and withdrawals are shown in Bangladeshi Taka.
Instant transactions through local mobile financial services.
The support team is active 24/7 on Bangladesh Standard Time (UTC+6).
Refer a Friend
Bring a friend to 644j — both of you earn rewards. Done in three easy steps.
After logging in, copy your personal referral link and send it to your friend.
Your friend opens an account using your link and makes their first deposit.
Once your friend's first deposit is confirmed, ৳200 bonus is added to your account.
Terms & Conditions
- You cannot refer yourself (self-referral is not allowed)
- Each person may have only one account
- The referred friend must make their first deposit
- Standard wagering conditions apply to bonuses
Betting Terms / Glossary
Simple explanations of essential betting and casino terms for new players.
RTP (Return to Player)
The theoretical rate at which a game returns a percentage of total wagers as prizes over the long term. For example, a 96% RTP means an average of ৳96 is returned for every ৳100 wagered.
House Edge
The mathematical advantage that the casino or bookmaker holds in its own favor. It is the opposite of RTP — the lower the house edge, the better it is for the player.
Wager / Wagering
The condition specifying how many times you must bet bonus money before it can be withdrawn. For example, a 15x wager means ৳15,000 in total bets is required for a ৳1,000 bonus.
Stake
The amount of money you are risking on a specific bet. For example, a ৳500 stake means your bet amount for that round is ৳500.
Odds
A way of expressing the probability of an event occurring. In betting, the higher the odds, the larger the potential payout — but the chance of winning is generally lower.
Parlay / Accumulator
Combining multiple bets together, where every bet must win in order to receive the total payout. The risk is higher, but the reward can be much larger if you win.
Live Bet
The ability to place bets in real time while a match or game is in progress. You can place live bets on overs or wickets during BPL or IPL matches.
Volatility
Refers to the frequency and size of wins in a slot or game. High volatility means less frequent but larger wins; low volatility means more frequent but smaller wins.
Cashout
The ability to withdraw partial winnings from your bet before the match ends. It is used to avoid a big loss or to lock in a guaranteed profit.
Bankroll
Your total budget set aside for betting or gaming. Proper bankroll management is the foundation of responsible gambling.
Free Spin
Free spins received as a casino bonus, allowing you to play slot games without spending your own money. Any winnings are added to your bonus balance.
Spread
A point difference used to level the competition between two teams. In spread betting, the points margin matters, not just the win or loss.
Beware of Fake Sites and Scams
Fraudsters are active online. Keep these points in mind to stay safe.
The official domain is always https://644j.cam — check the URL carefully and look for the HTTPS green lock icon.
Never share your OTP, bKash PIN, Nagad PIN, or password with anyone — even someone claiming to be support.
Official support will never ask for your password or PIN. Any such request is a scam.
Be cautious of people identifying themselves as "agents" on Telegram or Facebook — these are typically scams.
If you fall victim to fraud, change your password immediately and contact official support via live chat.
Learn About Our Privacy Policy
644j places the highest importance on the privacy of your personal information. Your name, mobile number, and financial details are used only to provide necessary services and are never sold or shared with third parties.
Read the full privacy policyResponsible Gaming — For Ages 21+
This platform is for those aged 21 and above only. Gambling is for entertainment, not as a source of income. Avoid betting beyond your means. If you feel you have a problem, contact support.
Learn about responsible gaming
Cricket Betting — With the Tigers
644j is the go-to platform for betting on cricket, Bangladesh's most beloved sport. Live odds are available for every major tournament including BPL, IPL, and the T20 World Cup.
- Pre-match and live betting on every Bangladesh Tigers match
- Special promotional offers and bonuses during the BPL season
- T20 World Cup, ICC Champions Trophy, and ODI series are all covered
- Support your favorite team in the IPL — and add to the excitement by placing bets
