From the Welcome Bonus to festival specials, weekly reloads to cricket season offers — gb88 never runs short on promotions. Browse everything on one page and grab the offer that works best for you.
Filter by category and choose the one you prefer
GB88's most attractive offer for new members. Start with as little as ৳300 and get a 150% bonus credited to your wallet instantly.
Calculations are done daily at midnight. Cashback lands directly in your wallet by early morning the next day — no application needed, no conditions attached.
Reload every Monday and grab a 50% bonus. Starting the week with a boost has become a ritual for gb88 players.
Get 100 free spins every week under the Loyalty Program. Winnings carry just a 5× wager requirement.
Bet on any cricket match — IPL, World Cup, or BPL — and earn a 20% bonus on every win, credited directly to your wallet.
Refer a friend to GB88. When they make their first deposit, you earn ৳500. Bring in 5 friends in a month and that's ৳2,500 — with no cap.
During Eid ul-Fitr and Eid ul-Adha, GB88 doubles cashback for all members. Special festival packages are also available for Pohela Boishakh.
On your birthday, GB88 sends a special bonus directly to your wallet. ৳2,000 for Silver, ৳5,000 for Gold, and ৳10,000+ for Diamond members.
A slots tournament runs every month, open to all members. Top the leaderboard and you're in line for major prizes.
Deposit within this period and receive a 50% bonus
20% Betting Bonus for the Bangladesh–Pakistan Series
Prize Pool ৳10 Lakh · 72-Hour Event
Double Points on All Bets Friday–Saturday
Extra 30% bonus on your first deposit of the month
Sign up on GB88 for free. All you need is a mobile number and a password — it takes less than 2 minutes.
Find the promotion that works for you right here. Make sure to read the wagering requirements, validity period, and terms carefully.
Deposit via bKash, Nagad, or Rocket. Enter the offer code at the time of deposit if you have one — otherwise the bonus will be applied automatically.
Once your deposit is confirmed, the bonus will appear in your wallet instantly. Play through the wagering requirement and withdraw whenever you're ready.
Wager ৳6,150 more to unlock Gold tier bonus
Compare what each promotion offers and what the conditions are, side by side
| Promotions | Bonus Amount | Wager | Validity | New Members | Existing Members |
|---|---|---|---|---|---|
| Welcome Bonus | 150% (Up to ৳15,000) | 10× | 7 Days | ||
| Daily Cashback | 5–20% (Based on Tier) | None | Daily | ||
| Weekly Reload | 50% (Up to ৳5,000) | 10× | 3 Days | ||
| Free Spins Pack | 100 Spins | 5× | 5 Days | Silver+ | |
| Cricket Boost | 20% Bonus | 3× | Season | ||
| Referral Bonus | ৳500 Per Referral | 1× | Unlimited | ||
| Birthday Bonus | ৳2,000–৳10,000+ | 5× | On Your Birthday | Silver+ | |
| Festival Double Cashback | Double Cashback Rate | None | Festival Week |
Good to Know Before Claiming Your Bonus
Every bonus has a set validity period. The Welcome Bonus lasts 7 days and the Reload Bonus lasts 3 days. Any unused bonus will be cancelled once the period expires.
Wagering means you must place a total bet equal to the bonus amount multiplied by the wagering multiplier. For example, a 10× wager on a ৳1,000 bonus requires ৳10,000 in total bets.
Multiple bonuses cannot be active at the same time. Please complete or cancel your current bonus before claiming a new offer.
Desktop or mobile — every gb88 promotion is fully accessible across all devices. No app download needed to enjoy every benefit.
Online gaming sites often advertise bonuses that look impressive on the surface but are buried under complicated conditions — 30× or 40× wagering requirements, tight time limits, restrictions on specific games. Bonuses like these rarely deliver real value. GB88 has taken a different approach from the start. Bonuses are kept modest and the terms are kept simple, so you can actually benefit from them.
A 10× wagering requirement means that if you receive a ৳5,000 bonus, you only need to wager ৳50,000 before withdrawing. At most competing sites, that figure runs anywhere from ৳1,50,000 to ৳2,00,000. The difference speaks for itself.
The GB88 welcome bonus package is a genuine opportunity for new members. A 150% bonus on your first deposit means a ৳10,000 deposit gives you a total balance of ৳25,000. Starting with that kind of balance naturally opens the door to more gameplay and a greater chance of winning.
Many people assume the welcome bonus is a one-time thing you get right after signing up. That's true — but what follows is a weekly reload bonus that feels remarkably close to a welcome offer every single week. Deposit every Monday and earn a 50% bonus, giving you a great reason to start the week on a high.
Nobody wins every session — that's just part of gaming. But gb88's Daily Cashback system takes the edge off your losing days. A portion of your net daily loss is returned the next day — no application required, no hassle. Bronze members get 5%, Silver 7%, Gold 10%, and Diamond & High Rollers receive 15–20%.
Say you had a net loss of ৳20,000 last week and you're a Gold member. Your cashback for that week would be ৳2,000 — credited directly to your wallet. Over the course of a year, that can add up to a pretty significant amount.
Gb88 respects Bangladeshi culture, which is why special packages are rolled out for every national festival. Cashback doubles during Eid ul-Fitr, a special tournament runs on Pohela Boishakh, and exclusive offers go live on Victory Day. These promotions are typically not announced in advance — registered members receive notifications directly. So with a gb88 account, you're unlikely to miss out on any offer.
In Bangladesh, cricket is more than a sport — it's a passion. GB88 understands that. During IPL season, Bangladesh national team matches, or the World Cup, GB88 launches exclusive cricket betting bonuses. Earn up to 20% extra bonus on every winning bet, take advantage of special combo odds offers, and enjoy added perks on live betting.
During the last World Cup, gb88's cricket promotions attracted over 50,000 bets. That single tournament saw more than ৳2 crore in bonuses paid out — proof that gb88's cricket offers are very much active in practice, not just on paper.
Gb88's referral program has spread fast across Bangladesh because it's genuinely simple and rewarding. Share your referral link — when a friend registers and makes their first deposit, you earn ৳500. The more friends you bring in, the more you earn, with no cap. Some active members in Dhaka are already making ৳5,000–৳10,000 a month from referrals alone.
If you haven't registered on GB88 yet, now is the best time. A Welcome Bonus, Daily Cashback, and Weekly Reload — all in one place. Finding this many promotions on a single platform is genuinely rare.
Two questions come up all the time — here are the straight answers