From welcome bonuses to weekly cashback – b188's voucher system always has something working in your favor. Deposit via bKash or Nagad, enter your code, and collect your bonus.
If you have a code, verify it here
Log in to see all your active vouchers in one place, automatically
Use the voucher codes below right now. Redeem them before they expire.
Get a 100% bonus on your first deposit — up to ৳10,000.
Validity: 31 July 2026
Up to 50% cashback on any game during the festive season.
Valid until: 15 July 2026
Get 50 free spins on any slot game – no deposit required.
Validity: 30 June 2026
Get a 25% bonus when you bet on any cricket match.
Validity: 31 August 2026
Double loyalty points and a bonus on every Friday deposit.
Resets every week
Maximum bonuses and priority benefits for VIP members.
Validity: Renews monthly
Redeem your voucher in just five simple steps.
Log in to your b188 account. If you don't have one, register for free.
Go to the "Voucher" or "Promotion" section in your account dashboard.
Type or paste the code correctly into the voucher code field.
Where applicable, make the minimum deposit. You can do so via bKash, Nagad, or Rocket.
Bonus will be credited to your wallet automatically. Start using it on any game.
All bonuses are subject to wagering requirements. Conditions must be met before withdrawal.
Get a quick overview of all active and upcoming vouchers.
For every successful referral, you earn a ৳500 bonus and your friend receives a ৳200 welcome bonus. Code: REFER188
Voucher codes in online gaming can seem confusing at first. New players often wonder where to find them, how to use them, and what terms apply — these are all common questions. b188's voucher system is designed to keep things as simple as possible.
No need to go anywhere else — your voucher codes are all right here. b188's voucher page shows all active codes in one place. Copy the code, paste it in the box at deposit, and the rest is handled automatically.
It depends on how you play. If you're new, B188WELCOME Using your code to claim a 100% bonus on your first deposit is the smart move. Deposit ৳1,000 and you'll have ৳2,000 in your wallet — twice the playtime.
If you're a regular player with an interest in cricket, then CRICKET25 This code is your best bet. During the cricket season in Bangladesh, many players have used it to great advantage. A 25% extra backing on every bet means your risk is just a little lower.
And for those who love slots, SPIN50BD What a great opportunity. Getting 50 free spins with no deposit required is pure upside — everything you win is yours to keep.
Almost all voucher bonuses come with a wagering requirement. This means you need to place a certain amount in bets before you can withdraw the bonus funds. For example, if the wagering requirement is 10× and your bonus is ৳500, you'll need to bet a total of ৳5,000 before withdrawing.
b188's wagering requirements are considerably more straightforward than other sites in Bangladesh. Most vouchers carry wagering between 5× and 15×, which regular players can meet without much difficulty.
b188All voucher redemptions and deposits on b188 are processed through fully encrypted channels. The latest SSL technology is used to keep your personal information and transactions secure. No extra fees apply when paying via bKash or Nagad.
If you have any issue with a voucher code or the bonus hasn't shown up in your wallet, contact the support team right away. b188's customer support is available 24 hours a day and offers assistance in Bengali.
Use any payment method to redeem vouchers and make deposits
All transactions are secured with SSL encryption
Most Frequently Asked Questions by Players
Register at b188 and B188WELCOME Use the code to claim a 100% bonus on your first deposit.