Signing up at big999 is quick and easy. Register with your mobile number, claim a special welcome bonus on your first deposit, and start your gaming journey. Thousands of Bangladeshi players are already members — join them today.
Create your big999 account with the details below
Enter your Bangladeshi mobile number
Use a strong password that combines numbers and special characters
Why choose big999
Registering at big999 is more than just opening an account — it's the gateway to a complete gaming experience.
Big999 rewards your first deposit with a 100% bonus. Deposit 1000 BDT and get an extra 1000 BDT in bonus — start playing with 2000 BDT in total.
One account gives you access to everything — slots, Live Casino, Bingo, Sports Betting, and more, the moment you register.
Deposit and withdraw your winnings easily using Mobile Banking, Nagad, Rocket, and all major mobile banking services — entirely in BDT.
Earn VIP points every time you play. Accumulate points to unlock exclusive rewards, cashback, and special perks.
Download the big999 app and play anywhere, anytime. Available for both Android and iOS.
Whether you have trouble registering or questions about a game, big999's Bangla-speaking support team is available around the clock, 24 hours a day.
Step-by-Step Guide
The big999 registration process is so simple it takes just 2 minutes. Follow the steps below and start your gaming journey in no time.
Go to big999.onl or open the app and click the "Register" button. The registration form will appear instantly.
Provide your full name, mobile number, and a strong password. If you have a referral code, add it for extra benefits.
An OTP code will be sent to your mobile number. Enter the code correctly to complete the verification.
Make your first deposit via Mobile Banking, Nagad, or Rocket and your 100% welcome bonus will be credited to your account instantly.
That's it — your big999 account is now active. Head straight to the game lobby, pick your favorite game, and start playing.
Special Offers
Signing up at big999 instantly unlocks access to multiple bonuses and member benefits.
| Bonus type | Amount | Terms | Validity |
|---|---|---|---|
| Welcome Bonus On your first deposit |
100% | Minimum deposit BDT 500 | 30 Days |
| Free Spins For Slot Games |
20 Spins | Once registration is complete, | 7 Days |
| Referral Bonus When you refer a friend |
BDT 200 | After your friend's first deposit | No expiry |
| Weekly Cashback For Regular Players |
Up to 5% | Play at least 5 times per week | Per week |
| VIP Upgrade Bonus When you level up |
Various rewards | By collecting points | Unspecified |
* All bonuses are subject to big999's standard terms and conditions. For more details, Terms & Conditions See details.
Registering at big999 opens up a whole new world for gaming enthusiasts in Bangladesh. The sign-up process is fully digital, fast, and secure. In just a few simple steps, you can create your big999 account and instantly access hundreds of games.
Big999 is built with Bangladeshi players in mind. A fully localized interface, transactions in BDT, and familiar payment methods like Mobile Banking, Nagad, and Rocket make the registration experience smooth and straightforward.
A special welcome bonus is available after registration, giving new members a great head start on their gaming journey. Regular promotions, weekly cashback, and a VIP points system are among the reasons big999 stands out as one of the top gaming platforms in Bangladesh.
Stay on top of your account security during and after registration at big999. Follow the tips below to keep your account protected at all times:
Occasionally you may run into minor issues during registration. Most of them are easy to resolve. Common issues and their solutions:
Frequently Asked Questions
Get Started Now
Thousands of Bangladeshi gamers are already registered on big999 and enjoying an incredible gaming experience. Don't wait — sign up now and claim your Welcome Bonus.