From your first deposit to daily cashback — every bet at b188 comes with its own reward waiting for you.
Separate Offers for New & Existing Members
Register for the first time at b188 and get a 200% welcome bonus on your first deposit. Deposit just ৳500 and your account will be credited with a total of ৳1,500. Use this bonus to play Sports Betting, slots, or Live Casino — your choice.
Get It NowGet up to 15% cashback daily based on your total bets. Even when you lose, you get something back — that's the b188 promise. Cashback is credited directly to your wallet, hassle-free.
JoinInvite your friends to b188. Once they register and make their first deposit, you'll instantly receive a ৳300 referral bonus. The more you refer, the more you earn — with no limits.
ReferDeposit every Monday at b188 and get a 50% Reload Bonus. Start the week strong — play with your bonus and boost your chances of winning.
Grab the OfferDeposit a set amount and receive 50 free spins every week. Play popular slot games for free and win real money. Winnings from free spins can be withdrawn directly.
Get Free SpinsJoin b188's VIP program and enjoy exclusive birthday bonuses, special event rewards, and dedicated manager support. VIP members receive the highest cashback rates and priority withdrawals.
Go VIP
Bonuses are nothing new in online betting, but b188's bonus system is genuinely different. On most platforms, the terms are so complicated that everyday players struggle to make sense of them. At b188, we've changed that. Every bonus comes with simple, transparent conditions — clearly spelled out in Bengali.
No complicated codes needed to claim your Welcome Bonus. Simply register, make your first deposit, and the bonus is automatically credited to your account. Daily cashback works the same way — it's calculated and added to your account automatically by midnight every day.
B188's referral program is the simplest in Bangladesh. Share your referral link, and when your friend signs up, you get an instant bonus. Your friend also receives a Welcome Bonus — so you both win.
B188 also runs regular bonuses for special occasions. Eid, Puja, New Year, the World Cup — every major festival or cricket tournament brings an exclusive bonus offer from b188. These promotions are time-limited, so check back often.
Joining the VIP program is more than just bonuses — it's a whole different experience. Birthday gifts, monthly loyalty points, the fastest withdrawals, and a dedicated customer manager are privileges reserved exclusively for b188 VIP members.
* The Welcome Bonus is available for a limited time. Register now before it's gone.
Grab your chance before today's bonus slots run out.
Visit the b188 website and click the "Register" button. Enter your name, mobile number, and preferred password — your account will be ready in just 30 seconds.
After registering, log in with your ID and password. Your welcome message and bonus offer will appear as soon as you log in for the first time.
Deposit any amount via bKash, Nagad, or Rocket. Deposits start from as little as ৳200. Your bonus will be credited automatically based on the deposit amount.
You can use your bonus balance to play Sports Betting, casino games, or slots directly. Once you've met the wagering requirement, any winnings from the bonus can be withdrawn.
| Bonus Type | Amount | Who Qualifies | Minimum Deposit | Validity |
|---|---|---|---|---|
| Welcome Bonus | 200% | New Members | ৳200 | 30 Days |
| Daily Cashback | 15% | All Members | — | Daily |
| Referral Bonus | ৳300/Referral | All Members | — | Unlimited |
| Weekly Reload | 50% | Active Members | ৳500 | Every Monday |
| Free Spins | 50 Spins | Slots Players | ৳1,000 | 7 Days |
| VIP Loyalty | Exclusive | VIP Members | — | Monthly |
The More You Play, the Bigger the Rewards
Sign up and you're instantly at Bronze level. Enjoy the welcome bonus and daily cashback right away.
Bet ৳5,000 in a month to reach Silver. Enjoy 12% cashback and weekly bonuses.
Bet ৳20,000 in a month to reach Gold status — with 15% cashback and dedicated support.
Bet ৳50,000+ in a month to reach Platinum. Maximum perks, a personal manager, and a birthday bonus.
To get the most out of b188 bonuses, a little strategy goes a long way. First, the bigger your initial deposit, the bigger your welcome bonus — so start with a larger amount if you can.
Second, play at least a little every day to earn your daily cashback — no application needed, it's credited automatically. Third, for referral bonuses, invite friends who are interested in betting to join b188.
The most important thing — read the bonus terms carefully. b188's terms are straightforward, but you won't be able to withdraw your winnings unless you meet the wagering requirements. Typically, you need to wager 10x the bonus amount.
Terms & Conditions: Wagering conditions apply to all bonuses. For more details, Terms & Conditions read it. Players under 18 are not permitted to participate.
