Bet online at c66666 — play with confidence backed by round-the-clock support in Bengali
Bangladesh's finest gaming experience is now at your fingertips. 24/7 live support in Bengali, bKash and Nagad deposits, and a 200% welcome bonus — all on one platform.
About Us
A platform built on trust, transparency, and made for Bangladeshis.
c66666 is a reliable platform built with Bangladesh's online gaming community in mind. Our goal was to create a place where every Bangladeshi player can play in their own language, with familiar payment methods, and with the highest level of security. From Dhaka to every corner of the country, our journey began with players like you in mind.
We believe online gaming should be enjoyable and responsible. That is why we use SSL encryption technology, ensure fair play, and maintain full transparency in every transaction. Our game portfolio features hundreds of games from the world's leading providers.
Deposits start from just ৳500 via bKash, Nagad, and Rocket — a testament to our commitment to reaching players at every level. Our team is by your side 24 hours a day, 7 days a week — in Bengali, your own language.
Why Choose c66666
Here is what we offer for the finest gaming experience in Bangladesh.
Fast Withdrawals
Your winnings will reach your mobile wallet in as little as 15 minutes to 2 hours.
SSL Protected
Your information and funds are protected with top-grade SSL encryption and secure transaction technology.
24/7 Support in Bengali
Our Bengali-speaking support team is ready to answer any of your questions day and night.
Local Payments
Deposit and withdraw easily with bKash, Nagad, and Rocket — Bangladesh's most familiar mobile wallets.
Generous Bonuses
200% welcome bonus for new members and multiple promo offers for regular players.
Diverse Game Collection
Slots, live casino, sportsbook, fishing, and local card games — all on one platform.
Live Sports Betting
Place live bets on BPL, IPL, T20 World Cup, international football, and many more sports.
Mobile-Friendly
Access easily from any smartphone. Download the Android app for an even better experience.
Claim Your Welcome Bonus
200% bonus on your first deposit — the best offer in Bangladesh.
Up to ৳10,000 bonus
Just meet the 10x wagering requirement.
| Your deposit | Bonus | Total balance |
|---|---|---|
| ৳1,000 | ৳2,000 | ৳3,000 |
| ৳12,000 | ৳10,000 | ৳22,000 |
Cricket Format Explained
Learn about different cricket formats and get an idea of the betting opportunities available.
T20
20 overs per team. Usually finished within 3-4 hours. The most popular format for betting — with countless markets including match winner, highest runs, and wickets.
One-Day (ODI)
50 overs per team, with a full match typically lasting 7-8 hours. Great for innings-by-innings betting, partnership markets, and player performance bets.
Test
A 5-day match where each team plays two innings. Top batting markets, century betting, and match draw markets are available here.
The Hundred
100 balls per team — England's new format. A 2–3 hour match, packed with fast betting markets and in-play opportunities.
Popular Leagues & Tournaments
BPL (Bangladesh Premier League)
Bangladesh Premier League — the most popular T20 league in the country. Full of excitement featuring Bangladesh Tigers stars.
IPL
Indian Premier League — the world's biggest T20 franchise league. A huge variety of betting markets.
BBL
Big Bash League — Australia's T20 league. Played in the winter season with great betting opportunities.
PSL
Pakistan Super League — another top T20 league in Asia, featuring world-class cricketers.
How to Read Odds
Understanding betting odds means making smarter decisions.
Decimal Odds
The most familiar format. Example: you place a ৳500 bet at odds of 1.80. If you win, you get: ৳500 × 1.80 = ৳900 (original ৳500 + profit ৳400).
Implied Probability
Work out the chance of winning from the odds: 1 ÷ odds × 100. Odds of 1.80 means = 1 ÷ 1.80 × 100 ≈ 55.6% chance of winning.
Other Formats
| Format | Example | Meaning |
|---|---|---|
| Decimal | 1.80 | ৳500 → ৳900 total |
| Fractional | 4/5 | ৳500 → ৳400 profit |
| American | -125 | ৳100 profit on a ৳125 bet |
RTP and House Edge Explained
To be a smart player, you need to understand these two concepts.
RTP, or Return to Player, is a statistic that shows what percentage of total bets a game returns to players over the long term. For example, if a slot game has an RTP of 96%, then theoretically an average of ৳96 comes back for every ৳100 wagered.
Slot game RTP typically ranges from 92% to 98%, table games like blackjack can reach an RTP of around 99%, and various versions of roulette have an RTP ranging from 94% to 97%.
House edge is the flip side of RTP — it is the casino's mathematical advantage. If the RTP is 96%, then the house edge is 4%. This means the casino keeps an average of ৳4 from every ৳100 over the long term.
Remember, RTP is a long-term average — any outcome is possible in the short term. So even knowing the RTP, responsible betting is always the most important thing.
Typical RTP Range by Game Type
These are general ranges; check the rules of a specific game for its details.
Ready to Win Big?
Join c66666 today and claim a 200% welcome bonus. Starting from just ৳500.
Start NowLive Casino Tables
Play with a real dealer — get the true casino feel from the comfort of your home.
Baccarat
The most popular card game in Asia. Bet on the player or the banker — pick the right side. Example table limits: ৳100 – ৳50,000.
Roulette
Test your luck on the spinning wheel. From a single number to a colour — there is a wide variety of bets. Example table limits: ৳50 – ৳25,000.
Blackjack
Get close to 21 — but don't go over! Play with a mix of strategy and luck. Example table limits: ৳100 – ৳30,000.
Andar Bahar
A classic card game from the Indian subcontinent. The dealer reveals a card and you bet on which side it will match. Example table limits: ৳50 – ৳20,000.
Game Show Wheel
An entertaining game show-style live game. Big prizes when the big wheel spins! Example table limits: ৳20 – ৳10,000.
Sic Bo
Three dice, hundreds of betting options. A modern live dealer version of a classic Asian game. Example table limits: ৳50 – ৳15,000.
* Table limits are examples and may change. Log in to the platform to see the actual limits.
Jackpot & Big Win Stories
Every day, players from Bangladesh are winning big — will you be next?
r*** from Dhaka — on Slots
m*** from Chittagong — on Baccarat table
k*** from Sylhet — on Cricket Betting
A*** from Mymensingh — on Fishing Games
VIP Membership
Play more, earn more — enjoy exclusive benefits across three tiers.
Bronze
0.5%Weekly cashback up to
- Weekly Cashback
- Bengali Live Support
- Fast Withdrawals
Gold
1.5%Weekly cashback up to
- Maximum Cashback
- Personal Account Manager
- Exclusive Bonuses & Gifts
Local Card Games
Your favourite games are now online.
Teen Patti
Played with three cards. The best card combination wins. Play against a live dealer or other players. Place a small bet before the round starts.
Andar Bahar
The dealer reveals one card, then places cards alternately into two piles. Bet on which pile will match. Very simple and fast.
Callbreak
A four-player card game where spades are always trump. Bid how many hands you will take before each round. Played against other players.
Ludo
The childhood favourite game is now online with real money bets. Roll the dice to move your pieces forward and cut other players.
Bankroll Management Guide
How smart players manage their money.
Set a Budget
Each month, set aside a fixed amount from your entertainment budget — an amount you can afford to lose without affecting your daily life.
Divide into Sessions
Split your total budget into smaller sessions. Instead of spending everything in one session, play gradually.
Follow the 1–5% Rule
Keep each bet to no more than 1% to 5% of your total session budget. This helps keep the session going over the long run.
Take a Break After a Win
After a big win, set some of the money aside. In the excitement of the moment, pause rather than betting everything again.
Respect Your Loss Limit
Stop playing once you have lost 50% of your session budget. Chasing losses with more bets often leads to even greater losses.
Android App Download
Get the best gaming experience on mobile.
The c66666 mobile app is specially optimised for players in Bangladesh. It loads quickly on low data, supports one-click deposits with bKash and Nagad, and delivers a smooth betting experience during live cricket matches.
Installation Steps
Download the Official APK
Download the APK only from the official c66666 website. Never install from links shared on Telegram or Facebook.
Allow Unknown Sources
Go to Android Settings → Security → temporarily enable the "Install from unknown sources" option.
Install the APK File
Tap the downloaded file and press the install button. The app will be installed within moments.
Log In
Log in with your c66666 account details and start playing.
Restore the Security Setting
After installation, go back to Settings and turn off the "Unknown sources" option again.
Minimum requirements: Android 7 or later, approximately 100 MB of free storage.
Trusted Game Providers
Our partnerships with the world's leading game developers.
And many more top providers.
Steps to Get Started
Begin your journey with c66666 in just a few minutes.
Create an Account
Go to the login page and fill in the registration form. Open an account with your mobile number and a strong password.
Verification
Verify your identity using the OTP code sent to your mobile. This ensures the security of your account.
First Deposit
Deposit a minimum of ৳500 using bKash, Nagad, or Rocket. Transactions are usually confirmed within a few minutes.
Claim Your Welcome Bonus
A 200% bonus is added automatically after your first deposit. Deposit ৳1,000 and receive ৳2,000 in bonus — a total of ৳3,000.
First Game or Bet
Choose your preferred game from Slots, Live Casino, or Sportsbook and start playing.
Withdrawal
Withdraw your winnings with a minimum of ৳1,000. Funds arrive in your bKash or Nagad account in as little as 15 minutes to 2 hours.
Built for Bangladeshis
Every feature is designed with Bangladeshi players in mind.
Bengali Language
A fully Bengali interface and 24/7 customer support in Bengali.
BDT Currency
All transactions in Bangladeshi Taka (৳). No conversion hassle.
Mobile Wallet
bKash, Nagad, and Rocket — the three most popular MFS options supported.
BST Schedule
All services operate on Bangladesh Standard Time (UTC+6).
About Our Privacy Policy
Your information is safe with us
c66666 takes the utmost care in collecting, storing, and using your personal information. We never sell your data to third parties. All information is kept secure using SSL encryption technology. Follow the link below to read our full privacy policy.
Read the full Privacy PolicyResponsible Gaming
Responsibility is essential for an enjoyable gaming experience.
Self-Limit Tools
Set your own deposit limits or how long you play. Our self-limit tools are in your hands.
Budget Management
Set a budget before each session and stay within it. Treat gaming as entertainment, not as a source of income.
Take Breaks
Do not play for long stretches without stopping. Take regular breaks, spend time with family, and focus on other activities.
Seek Support
If you feel gaming is getting out of control, contact our support team. We are ready to help.
c66666 is for ages 21+ only. Registration by minors is strictly prohibited. To learn more about responsible gaming, visit our Responsible Gaming page.