399d is more than a gaming platform — it is a trusted source of entertainment for millions of people across Bangladesh. We believe that with the right technology, transparent rules, and a user-friendly experience, it is possible to build a platform people can truly rely on.
Our Mission
"Bringing safe, fair, and enjoyable online gaming to every person in Bangladesh — that is the core mission of 399d."
399d is a premium online gaming platform based in Bangladesh, serving the local gaming community since 2019. From day one, we have had a single goal — to create a place for the people of Bangladesh where entertainment is safe, transparent, and genuinely fair.
Our team includes technology specialists, seasoned gaming industry professionals, and people with deep knowledge of the Bangladeshi local market. Every day, thousands of members log in to 399d to enjoy slots, betting, casino games, and much more. We do not just run a platform — we are building a community.
The user experience is at the heart of every decision at 399d. We regularly update the platform, add new games, and improve features based on member feedback. From easy payments via Mobile Banking, Nagad, and Rocket to support in Bangla — everything we do is built with local users in mind.
Responsible gaming is not just a phrase to us — it is part of our business philosophy. We want every member to enjoy gaming purely as entertainment, free from pressure or harm. To that end, we have put safeguards in place including self-exclusion, deposit limits, and cooling-off periods.
399d at a Glance
Why choose 399d?
Why 399d has become the first choice of Bangladesh's online gaming community.
399d uses industry-leading SSL encryption to keep your personal information and financial transactions secure. Two-factor authentication ensures that only the verified account owner can log in. Our servers are monitored around the clock to protect members from any cyber threats.
399d offers over 500 games — slots, Live Casino, Sports Betting, fishing games, and much more. Our partnerships with the world's leading game providers mean new titles are added regularly. Every game features a fair RTP, so your chances of winning are real.
Deposits and withdrawals at 399d are processed quickly. Funds can be added in just a few minutes via Mobile Banking, Nagad, or Rocket. Withdrawals are typically completed within 3 to 5 minutes. No hidden charges, no delays — straight to your mobile banking account.
Our support team is available 24/7 to assist you. You can communicate in Bangla — no language barrier. Reach us via live chat or email support for fast resolutions. Our average response time is just 2 minutes.
399d is designed with mobile users in mind. Our app is available for download on both Android and iOS. Through the app, you get faster load times, smoother gameplay, and promotional updates delivered via push notifications.
Join the 399d VIP program and enjoy exclusive bonuses, a personal account manager, and special offers. The more you play, the higher your tier — and the greater the rewards. From Bronze to Diamond, new perks await you at every level.
399d started from a small dream. Today, we are one of the largest online gaming platforms in Bangladesh.
399d launched its first version with a small team. Despite a limited game collection at the start, the enthusiasm of our members drove us forward. Over 10,000 registrations were completed in the very first month.
The Android and iOS apps launched and Bangladeshi payment gateways were integrated. Membership exceeded 100,000. A dedicated Bangla-language support team was established.
International-standard live dealer games were added to 399d. A revamped VIP program structure was introduced and weekly tournaments were launched.
Live betting on popular sports including cricket and football went live. The platform's game count surpassed 300. Total membership exceeded 500,000.
399d relaunched in a completely new form with a fresh design, faster servers, and 500+ games. Membership surpassed 1,000,000, establishing 399d as Bangladesh's top platform.
399d is built on a set of core principles that guide every decision we make.
Every rule, condition, and offer is communicated clearly. No hidden terms or traps.
Every game uses RNG technology to ensure each outcome is completely unbiased.
We actively provide responsible gaming tools to keep gaming a form of entertainment.
We are building more than a member base — we are creating an active community where everyone is valued.
We use technology to continuously ensure the best possible experience for our members.
Keeping members' data and funds safe is our highest priority — no compromises.
Behind 399d is a dedicated and passionate team that works every day to make your experience better.
Our experienced engineering team designs, develops, and maintains every feature on the platform. Ensuring uninterrupted service is their core responsibility.
Our support team is ready to help in Bengali 24/7. Their goal is to provide fast, effective solutions to any issue you encounter.
Our dedicated security team works around the clock to keep the platform safe. Fraud prevention and data protection are their top priorities.
This team handles new game selection, provider partnerships, and improving the overall gaming experience. The best games are added based on analysis of member preferences.
399d believes gaming should be a source of entertainment — not stress or addiction. That is why we place the highest importance on the mental well-being and financial security of every member.
Our platform includes several protective tools that members can use based on their own needs. Setting a deposit limit helps control overspending. The self-exclusion option allows you to temporarily deactivate your account for a set period.
We strictly prohibit accounts for users under 18 and verify age at registration. If you feel gaming is having a negative impact on your daily life, please reach out to our support team — we are always ready to help.
Learn About Responsible GamingDeposit Limit
Set your own daily, weekly, or monthly deposit limits.
Cooling-Off
Activate cooling-off to take a break from gaming for a set period of time.
Self-Exclusion
Temporarily deactivate your account for a specific period whenever you need to.
Age Verification
A strict age verification process at registration — only members aged 18 and above may join.
Please Note
Gaming is a form of entertainment. Always play within your means and never chase losses by placing more bets. If you feel you are losing control of your gaming, seek help immediately.
Answers to the most frequently asked questions about 399d.
Join the platform trusted by millions of members across Bangladesh. Safe gaming, fast payments, and 24/7 Bengali support are all waiting for you.