Bangladesh's #1 Platform
Cricket, football, Live Casino, slots — all in one place. The platform trusted by millions of players across Bangladesh.
Maximum Jackpot
Growing every minute — you could be the next winner!
Our platform delivers top-tier security, lightning-fast payments, and an unmatched gaming experience.
SSL encryption and a licensed platform — your information is fully secure.
BKash, Nagad, Rocket — withdrawals completed within 5 minutes.
The highest return rate in the market — more winning potential on every bet.
Whatever the issue, our team is always here for you.
Enjoy a seamless gaming experience across all Android and iOS devices.
100% welcome bonus for new members plus daily cashback.
Play in real time with world-class live dealers.
Certified RNG system — every outcome is completely fair and unbiased.
3666 det offers hundreds of games — from slots to Live Casino, all in one place.
Bet on live and upcoming matches — best odds guaranteed at 3666 det.
Start your winning journey in just 4 simple steps.
Create a free account in just 2 minutes with your name and mobile number.
Log in to your account and explore your dashboard.
Deposit funds easily via bKash, Nagad, or Rocket.
Pick your favorite game and take your shot at a massive jackpot.
The higher your tier, the greater the rewards — 3666 det VIP Program.
The Next Big Tournament Starts In
IPL Mega Betting Event 2026 — Prize Pool ৳ 50,00,000
Choose the plan that suits you best and enjoy maximum benefits.
One free spin every day!
New winners are made on our platform every single day.
Anywhere, anytime — the best experience on mobile.
3666 det's partnerships with world-class game providers.
3666 det takes the protection of your personal information extremely seriously. We never sell or share your data with third parties. Our full Privacy Policy Read through the details, and feel free to reach out to our support team if you have any questions.
Here's what a few of our thousands of satisfied members have to say.
"Joining 3666 det completely changed how I experience betting. The odds are genuinely great, and withdrawals take just a few minutes. Bkash makes it totally hassle-free."
"Playing with a live dealer in the Live Casino is an incredible experience — it genuinely feels like sitting in a real casino. The support team is super helpful too, responding even at 2 in the morning."
"During IPL season I placed bets on every match, and 3666 det always offered the best odds. The VIP program is fantastic too — ever since reaching Gold level, my cashback has gone up significantly."
3666 det has become one of the most recognised and trusted names in Bangladesh's online betting and gaming scene. Thousands of Bangladeshi players enjoy Cricket Betting, football betting, Live Casino, and a wide range of slot games on the platform every day. 3666 det is more than just a betting site — it's a complete entertainment platform built for Bangladesh's betting community.
Registration on our platform is completely free and takes just a few minutes. Once your account is open, you'll receive a 100% welcome bonus plus daily deposit bonuses. 3666 det supports instant deposits and withdrawals via bKash, Nagad, and Rocket — making it especially convenient for users in Bangladesh.
Cricket is Bangladesh's national sport, and the cricket betting section is the most popular on 3666 det. From Bangladesh national team matches to IPL, BPL, and the T20 World Cup — the best odds across all cricket events are available right here. Every match features in-play betting, with odds updating in real time as the action unfolds.
The Live Casino section at 3666 det lets you play Baccarat, Roulette, Blackjack, and Poker with world-class live dealers. Our partnerships with leading providers like Evolution Gaming and Pragmatic Play ensure you always get a top-tier gaming experience.
The slots section at 3666 det features over 500 slot games — from mega jackpot slots to classic fruit machines, every type is covered. Each game offers a highly competitive RTP (Return to Player) rate, giving you the best possible chance of winning.
Our VIP program is one of the most rewarding loyalty programs in Bangladesh. Divided into five tiers from Bronze to Diamond, members earn points on every bet they place. Those who reach the Diamond tier enjoy a personal account manager, exclusive tournament access, and custom bonus packages.
3666 det takes security seriously and makes no compromises. Our platform uses the latest SSL encryption technology to keep all your financial transactions and personal data fully protected. Our Random Number Generator (RNG) system is internationally certified, ensuring every game result is completely fair and unbiased.
The 3666 det mobile app is available on both Android and iOS. Download it and play your favourite games or place bets anytime, anywhere. The app's interface is fully in Bangla, making it incredibly easy to use for Bangladeshi players.
Our commitment to responsible gaming is unwavering. 3666 det believes gaming should be a form of entertainment — never a source of financial hardship. That's why we provide deposit limits, session limits, and self-exclusion tools. If you feel that gaming is negatively affecting your life, please reach out to our support team.
Frequently asked questions about 3666 det.
3666 det serves players from all divisions across Bangladesh.