Create your account in just 3 minutes. Claim your welcome bonus, deposit via bKash or Nagad, and start playing the best games.
Complete the registration form with your name, mobile number, email, and password. Make sure all details are accurate — you'll need them for KYC later.
Verify your account using the OTP sent to your mobile. If the code doesn't arrive, wait 2–3 minutes or request a new one.
Make your first deposit via bKash or Nagad, claim your welcome bonus, and start betting on your favorite games. It's that simple.
A generous welcome bonus awaits on your first deposit. The bonus terms are fully transparent — no hidden conditions.
Deposits via bKash, Nagad, and Rocket are processed in seconds. Withdrawals are typically returned to the same method within 24 hours.
Cricket betting, Live Casino, slots, football — get instant access to all games right after registration.
Play regularly to climb the VIP tiers — unlock bigger bonuses, a personal manager, and exclusive offers.
For any issue, reach our support team via live chat or email in Bangla — any time, day or night.
Download the okbig app — faster loading, push notifications, and a smoother overall experience.
Register at okbig, make your first deposit, and your welcome bonus is yours. Use it to place more bets — and any winnings are yours to withdraw.
To open an account at okbig, you'll need to meet the following basic requirements. These are in place to keep you protected.
| Conditions | Description | Status |
|---|---|---|
| Age | Must Be at Least 18 Years Old | Required |
| Mobile number | Active Bangladeshi Number | Required |
| Valid email address | Required | |
| Single Account Only | One per person | Required |
| NID / Passport | For KYC Verification | Withdrawal time |
| Payment Methods | BKash / Nagad / Bank | Required for Deposit |
Complete KYC after registration to unlock all features. It only takes a few minutes.
When signing up on an online gaming platform, many people wonder — is it safe? Where does my information go? Will there be any hassle? At okbig, we have deliberately kept the registration process simple, so that even those who are not particularly tech-savvy can create an account with ease.
Signing up only takes a few details — your name, mobile number, email, date of birth, and a password. Nothing more is required. The whole process takes under 3 minutes. An OTP will be sent to your mobile number, and once you enter it, your account is active.
Some people wonder during registration — what happens if I use a fake name or wrong date of birth? It may seem fine at first. But KYC is required when you withdraw, and your details are verified against your national ID. If the information does not match, your withdrawal will be blocked and in some cases your account cannot be verified at all.
So get it right from the start — it'll save you trouble later. Your name, date of birth, and mobile number must all match exactly what's on your NID. It takes a moment, but it matters.
Only one account per person is permitted at okbig. Some people assume they can open multiple accounts to claim bonuses more than once — but doing so will result in all accounts being closed and balances may be forfeited. okbig's system can identify duplicate accounts by cross-checking IP addresses, devices, and personal details.
If multiple members of your household use okbig from the same address, let our support team know in advance. With a clear explanation there is no issue — but without prior notice, the system may flag the activity as suspicious.
Choose a strong password when registering. Avoid using only numbers or simple words — they're easy to compromise. Mix uppercase and lowercase letters, numbers, and special characters (such as @, !, #). Don't reuse a password you've already set on another site.
Enabling 2FA (two-factor authentication) after registration keeps your account significantly more secure. At login, an OTP is sent to your mobile in addition to your password — so even if someone gets hold of your password, they still cannot access your account.
Once your account is open, take a few minutes to explore the platform before making a deposit. Browse the available games, check the payment methods on the payments page, and get a feel for how the VIP program works. Then make your deposit and take a moment to read through the welcome bonus terms.
Also take a moment to set up your responsible gaming preferences — deposit limits and session timers will help you stay in control. okbig wants you to enjoy the experience long-term, so building healthy habits from day one is worth it.
If you run into any issues, reach out via live chat — support is available in Bangla. From registration all the way to your first withdrawal, we are with you at every step.
Keep in mind: Registration is free. There's no fee to open an account at okbig. You can also practice with demo or free games before making your first deposit.
Opening an account at okbig is completely free. Get started in just 3 minutes and take advantage of the welcome bonus.