We are more than just a gaming site — we are a platform millions of Bangladeshi players trust. Behind 3666 is a team's relentless hard work, a commitment to integrity, and a genuine desire to deliver the best experience for every player.
Registered Members
Number of Games
Total Prizes Awarded
Members Across Bangladesh
It was 2018. Online gaming and betting in Bangladesh meant either foreign sites or unreliable local platforms — no Bangla-language support, no local payment options, and nothing built with Bangladeshi players in mind. To fill exactly that gap, 3666The journey begins.
A group of young entrepreneurs — passionate online gaming fans themselves — had a vision: Bangladesh deserves a platform that truly feels Bangladeshi. One where you can pay via bKash or Nagad, get support in Bangla, and where the player always comes first.
The beginning was genuinely tough. Technology, licensing, payment gateways — every front came with its own challenges. But 3666The 3666 team never gave up. Step by step, a world-class infrastructure was built — one that today delivers Bangladesh's finest online gaming experience.
Today 3666Over 5 million registered members call this platform home. Thousands of game sessions run every day. Sports Betting, slots, bingo, casino — all in one place. We work continuously to ensure the best possible experience for every player.
3666 officially launched as Bangladesh's first local online gaming platform. Within the very first month, 10,000 members had already registered.
Cricket, football, and kabaddi betting sections launch. 3666 gains massive popularity during the BPL season.
Games from world-renowned providers including Pragmatic Play and NetEnt join 3666. Live dealer games go live.
The 3666 app launches for Android and iOS. 500,000 downloads in the very first week.
Registered members at 3666 surpass 5 million. The platform is recognised as Bangladesh's number-one gaming destination.
3666 continues to push forward with more advanced technology, new game categories, and a commitment to serving even more players.
A few core qualities set us apart and drive our success
3666 operates under an international gaming licence. Your funds and personal information are completely secure. SSL encryption and advanced cybersecurity measures are always active.
No more waiting for your winnings. Withdrawals via bKash, Nagad, and Rocket are processed within just 15 minutes.
Our customer support team speaks Bangla. Day or night, any day of the week — help is available via live chat or email.
The 3666 app is the most downloaded gaming app in Bangladesh. Lightweight, fast, and battery-friendly — it runs flawlessly on any smartphone.
From welcome bonuses to daily cashback, free spins, and referral rewards — the bonuses at 3666 never end. Every deposit comes with something extra.
All games on 3666 run on RNG technology. No manipulation, no bias. Third-party audit companies regularly verify our systems.
Our mission is simple — to give every gaming enthusiast in Bangladesh a safe, enjoyable, and fair online gaming experience. We believe entertainment enriches people's lives, and when enjoyed responsibly, nothing could be better.
3666 We've always believed in full transparency. Our rules, payout rates, and bonus terms are clearly laid out — no hidden charges, no misleading conditions. That's a principle we never compromise on.
We want every player who comes to 3666 to feel safe, have fun, and — if fortune favours them — go home with a big win.
There are no hidden terms at 3666. Every rule, every payout, and every bonus condition is stated openly and clearly.
Players are at the heart of every decision we make. Member feedback is gathered before any new feature is introduced.
3666 is committed to responsible gaming. Limit-setting and self-exclusion options are always available.
Powered by the world's most advanced gaming technology, 3666 delivers a consistently smooth and fast experience.
We are Bangladeshi, working for Bangladesh. We move forward with respect for local culture and values.
A skilled and dedicated team works every day to make your experience the very best it can be
12 years of experience in the online gaming industry. Leads the vision and strategy behind 3666.
Head of Technology. Responsible for keeping the 3666 platform running smoothly and at full speed — always.
Cybersecurity expert. Responsible for protecting every member's personal data and funds on the 3666 platform.
Leads a support team of 300. Ensuring the satisfaction of Bangladesh's players is their top priority.
3666 operates under an international gaming authority licence. This means all our operations are subject to regular audits and oversight. International standards are strictly upheld to protect the interests of every player.
3666Maximum payment security is guaranteed. All transactions via bKash, Nagad, Rocket, and other payment methods are processed through SSL encryption. Your bank and mobile banking details are never shared with any third party.
Every game on 3666 runs on an internationally certified RNG (Random Number Generator) system, regularly audited by the world's leading testing bodies including eCOGRA. Every spin, every deal is entirely random — impossible for anyone to manipulate.
3666 We believe gaming is for entertainment, not addiction. That's why we provide players with a range of protective tools:
Your Personal Information 3666Member data is a sacred trust. We never sell or share your personal information with third parties. All data is processed in full compliance with GDPR-compliant privacy standards.
3666 is approved and certified by the following international organisations:
Whatever your question or concern, our support team is always here for you.
Join over 5 million members. Sign up, claim your welcome bonus, and start enjoying the best online gaming experience in Bangladesh.
Safe, licensed, and trusted — for players 18+ only.