Official Mobile App
3999bad App — Keep your favorite gaming world right in your pocket
Works on both Android and iOS. Live Casino, Sports, slots — all in one app. From anywhere, at any time.
Works on both Android and iOS. Live Casino, Sports, slots — all in one app. From anywhere, at any time.
Why the 3999bad app is the top choice for gamers in Bangladesh — here's a quick look.
The app launches in just seconds. Smooth performance guaranteed even on slow connections.
Your account is protected with 256-bit SSL encryption and two-factor authentication.
Bonus offers, tournament kicks-offs, and deposit confirmations — all updates delivered straight to your phone.
Play late at night without straining your eyes. Switch between dark and light mode with ease.
Use the app entirely in Bangla. Enjoy every feature without any language barrier.
Save bKash, Nagad, or Rocket once and deposit with just one tap next time.
Track real-time scores and match updates directly in the app while Sports Betting.
Log in instantly with your fingerprint or Face ID. No need to remember your password.
The 3999bad app is more than just a login portal — it's a complete gaming platform. Open the app and you'll find live streams from Live Casino, thousands of odds in Sports Betting, a vibrant world of slots, and the thrill of fish games, all in one place.
In the Live Casino section, you can play Baccarat, Roulette, Blackjack, Dragon Tiger, and Andar Bahar via live HD streams — and even chat with professional dealers in real time. The Sports section covers cricket, football, kabaddi, and many other local and international events for betting. Slots offers hundreds of themed games, from classic 3-reel titles to the Megaways series.
Fish games are a big hit among players in Bangladesh. On the 3999bad app, the experience is exceptionally smooth — high-quality graphics, intuitive controls, and fast reward payouts combine to make it a truly standout experience.
Just follow a few simple steps and the app will be ready on your phone.
Download the Android APK file from the 3999bad download page. The file is only 20MB.
Go to Settings > Security > Unknown Sources and turn it on. You only need to do this once to install the 3999bad APK.
Tap the downloaded file and hit the Install button. Installation completes in just a few seconds.
Open the app, log in to your account or create a new one. That's it — let the games begin!
Open 3999bad.pro in Safari on your iPhone or iPad. Installation will not work from Chrome or any other browser.
Tap the iOS download button. It will take you to the App Store page or give you the option to install directly as a PWA.
Tap the Share icon in Safari, then select "Add to Home Screen." It works just like a native app.
The 3999bad icon will appear on your home screen. Tap it and dive into the full gaming experience.
A quick look at the differences between the app and browser versions.
For the best performance, use the installed app on your phone. You get push notifications, biometric login, and select offline features.
Download the appYou can play 3999bad directly from Chrome or Safari without installing anything. It's a great option for casual users or those just getting started.
Get started now| Features | Mobile App | Browser |
|---|---|---|
| Loading Speed | ✔ Fastest | Medium |
| Push notifications | ✔ Yes | None |
| Biometric Login | ✔ Yes | None |
| One-tap payment | ✔ Yes | Limited |
| Dark mode | ✔ Yes | Device dependent |
| Installation required | Yes (20MB) | ✔ No |
| Device support | Android 5.0+ / iOS 12+ | ✔ All Devices |
Mobile gaming is growing fast in Bangladesh. People want entertainment on the go, not just at home. 3999bad understands that well. The app was built with Bangladeshi users in mind — accounting for uneven internet speeds, limited phone RAM, and the real cost of mobile data.
The 3999bad app is just 20MB, but it packs the full power of the gaming platform. It doesn't take much data to download, installs in no time, and goes easy on your battery with daily use. It runs smoothly even on budget phones — that's one of the biggest advantages of the 3999bad app.
The app's UI is intentionally kept simple. Many gaming apps are so packed with options that new users feel overwhelmed. That won't happen with 3999bad. Tab menu at the bottom, search and notifications at the top — everything is within easy reach. Even on your first visit, you'll know exactly where to find what you need.
Making payments on the 3999bad app is straightforward. You can deposit directly via bKash, Nagad, or Rocket — no bank transfers needed. Save your payment method once and you'll never have to re-enter your details. Deposit with a single tap.
Withdrawals are even easier. After winning, go to the "Withdraw" option in the app, enter the amount, and confirm. Your funds typically arrive in your mobile banking account within minutes. Your money doesn't get held up when you need it — that's one of the biggest advantages of 3999bad.
3999bad rolls out app updates regularly. Each update brings new games, improved performance, and changes based on user feedback. Don't wait when you get an update notification — new versions often come with special bonuses or new features.
The latest update introduces a multi-table feature — letting you join multiple Live Casino tables at the same time. A great option for experienced players. Live video streaming for the Sports section is also in development and coming soon.
Some users report occasional login issues or slow loading. In most cases, this is due to the internet connection — switching from WiFi to mobile data, or closing and reopening the app, usually fixes it. If the problem persists, live chat support is available right inside the app, 24 hours a day, in Bangla.
If you see an "Install Blocked" message during APK installation, go to Settings and enable Unknown Sources. This is a standard Android security setting that you can turn off again after installation. The process is completely safe and causes no harm to your phone.
Answers to the most frequently asked questions about the 3999bad app.
Join millions of gamers who trust 3999bad. Download the app and enjoy a special welcome bonus on your first deposit.