From the welcome bonus to VIP cashback, free spins to referral rewards — every step at okbk comes with something to gain. All offers in one place, with clear terms.
All offers at a glance — filter by category
Double your money on your first deposit. Deposit ৳500 and play with ৳1,500 in total. Usable across all games.
Claim NowEarn a set percentage cashback on your total net losses for the week, credited directly to your balance every Monday morning.
Open AccountLog in every day to earn free spins. The higher your VIP level, the more spins you receive. Use them on any slots game.
Claim NowGet 15% cashback on every cricket bet placed during ongoing international series. An extra 5% bonus applies to Bangladesh matches.
Start BettingWhen a friend signs up through your link and makes their first deposit of ৳500, ৳500 is instantly added to your balance.
Start ReferringClaim one reload bonus every week. Get a 30% extra bonus on a minimum deposit of ৳1,000. Active from Friday through Thursday.
Take AdvantageOkbk automatically sends you a bonus on your birthday — no request needed, delivered at midnight. The higher your tier, the bigger the gift.
Update ProfilePlace a bet with 3 or more selections and earn an extra 10% bonus on your winnings. With 5+ selections, that bonus goes up to 20%.
Bet NowDiamond VIP members receive ৳25,000 in free bet credits every month. Platinum members get ৳10,000. No wagering required.
Go VIP
Credited directly to your balance every Monday — no wagering required
Your net amount is calculated by subtracting your total withdrawals from your total deposits across Monday to Sunday. Cashback is then applied to that net figure based on your VIP level. It's credited to your balance automatically by 10:00 AM every Monday — no application required and no wagering attached.
Claim any bonus in just three simple steps
Open your okbk account for free. Registration takes just 3 minutes with your mobile number. No credit card required.
Deposit a minimum of ৳500 via bKash, Nagad, or Rocket. Your bonus will be added to your account automatically as soon as the deposit is confirmed.
Play your favourite games with your bonus. Once the wagering requirement is met, withdraw directly. Cashback can be withdrawn with no wagering required.
Log in every day to earn a bonus. Log in 7 days in a row to unlock a special reward — the Day 7 prize is the biggest: a ৳1,000 free bet or 150 free spins.
* Resets at midnight every day. The Day 7 reward is withdrawable.
The more friends you bring, the more you earn — no limits
Log in to your account and go to the "Refer & Earn" section to find your personal referral link. Copy it or share it directly.
Share your link via WhatsApp, Facebook, or SMS. As soon as a friend registers through that link, tracking begins automatically.
As soon as your friend makes their first deposit of at least ৳500, ৳500 is added to your balance. You can withdraw after meeting a 3x wagering requirement.
Gold-tier members and above also earn an extra 500 VIP points for every referral — the fastest way to climb to the next level.
Okbk runs special offers throughout the year tied to festivals and major sporting events. Knowing about them in advance means you never miss out.
15% cashback on all cricket bets during Bangladesh's ongoing international series. An extra 5% on Bangladesh matches.
Play on Friday and Saturday to earn double VIP points — from 8 PM Friday through midnight Sunday.
A total of ৳50 lakh in prizes up for grabs in the special Eid tournament. The top 100 players are guaranteed a reward.
Enjoy special odds boosts and bonus bets on every IPL match. Exclusive gifts for the first 10,000 bettors.
Special deposit bonus and limited-time free spins offer for Pohela Boishakh. Over 30,000 members benefited last year.
Okbk promotions have become a real talking point among online gaming players in Bangladesh — and for good reason. The offers here aren't just promises on paper; they actually deliver. The bonus terms are written in plain language, easy to understand, and not unreasonably difficult to meet.
Take the welcome bonus as an example. okbk offers a 200% bonus on your first deposit — meaning if you deposit ৳1,000, you start playing with ৳3,000 in total. The bonus goes up to ৳20,000, so a ৳10,000 deposit gets you ৳30,000 to play with. The wagering requirement is 30x, which may sound like a lot, but betting a little each day means you can clear it within 7 days.
The Weekly Cashback program is one of okbk's best offers. Had a bad week? Don't worry — a portion of your losses will come back to you the following Monday. Bronze members receive 5%, while Diamond members get 25%. Best of all, this cashback carries no wagering requirement — you can withdraw it straight to bKash or Nagad.
Many players overlook the daily free spins at first, but they quickly realize how valuable they are. Logging in every day can earn you between 50 and 300 free spins. Any winnings from these spins require just 1x wagering before you can withdraw. Plenty of members earn ৳5,000–৳10,000 a month from free spins alone.
The referral program is perfect for social players. Refer friends, acquaintances, or family — anyone you like. Earn ৳500 for every successful referral with no cap on how many you can make. Active referrers are already earning ৳5,000–৳10,000 a month from referrals alone.
Okbk runs special offers during the cricket season. You get 15% cashback on cricket bets during Bangladesh international matches. Separate tournaments and bonuses are also available during IPL and BPL. Major festivals like Eid, Pohela Boishakh, and New Year bring mega offers with prizes worth millions of BDT.
The birthday bonus tends to catch people off guard — in a good way. okbk remembers the date of birth on your profile and automatically sends you a bonus at midnight on your birthday. Bronze members receive ৳500; Diamond members receive ৳15,000. No application needed.
More active members can take advantage of the Football Accumulator Bonus. Bet on three or more matches in a single slip and earn an extra 10% on your winnings. Go five or more and that jumps to 20%. It applies across all football bet types, including Asian Handicap and Double Chance.
All things considered, okbk's promotions package is highly competitive in the Bangladesh market. Beyond just the number or size of bonuses, what truly matters is transparency in the terms — and that's exactly where okbk stands out. There are no hidden conditions; everything is clearly stated in plain language. That trustworthiness is what keeps millions of Bangladeshi players coming back.
How okbk Compares to the Market
| Bonus Features | okbk | Industry Average |
|---|---|---|
| Welcome Bonus Rate | 200% | 50%–100% |
| Maximum Bonus Amount | ৳20,000 | ৳5,000–৳10,000 |
| Wagering Requirement | 30x | 35x–50x |
| Cashback (Maximum) | 25% | 5%–10% |
| Cashback Wagering | Zero | 10x–20x |
| Daily Free Spins | 50–300 | Almost none |
| Referral Bonus | ৳500 + Points | ৳100–৳200 |
| Birthday Bonus | ৳500–৳15,000 | Limited or None |
| Bonus Validity | 7–30 Days | 3–7 Days |
Everything you want to know about this offer
Your bonuses kick in the moment you register. Your first deposit earns a 200% bonus, plus daily free spins and cashback — all at once.