From Welcome Bonuses and weekly cashback to free spins and reload bonuses — there's always something new waiting for you at bk6661.
Make your first deposit at bk6661 and get a 150% bonus. Minimum deposit is just BDT 500. Maximum bonus amount is BDT 15,000.
Available right now — don't miss your chance.
Up to 150% on First Deposit
Get Cashback on Daily Losses
On Selected Slots
On your second deposit every week
On Cricket & Football Betting
Limited-Time Special Offer
Bk6661's referral program is the most rewarding in Bangladesh.
Copy your unique referral link from your dashboard.
Your friend must register using your link and make their first deposit.
You'll receive BDT 500 and your friend will receive a Welcome Bonus.
For Every Successful Referral
No limit — the more you refer, the more bonuses you earn.
Activate your bonus in just a few simple steps.
Open a new account at bk6661. All it takes is your mobile number and a password — done in 2 minutes.
After logging in, click the "Deposit" button and select your preferred payment method.
Paste your voucher code into the "Promo Code" box on the deposit form.
Enter the amount and complete your deposit. The bonus will be credited to your account automatically.
| Bonus Type | Rate | Wager | Validity |
|---|---|---|---|
| Welcome | 150% | 15x | 30 Days |
| Cashback | 10% | 1x | Daily |
| Reload | 50% | 10x | 7 Days |
| Sports | 100% | 12x | 14 Days |
| Eid Special | 200% | 20x | Limited |
| Referral | BDT 500 | 5x | 7 Days |
When choosing an online betting or gaming platform, bonuses are often the first thing people look at — and that's perfectly natural. But big numbers alone don't tell the whole story. You also need to understand the terms, withdrawal rules, and wagering requirements before diving in. bk6661 Always fully transparent — no hidden terms or conditions.
Bk6661's Welcome Bonus is more competitive than any other platform in Bangladesh. A 150% match means a BDT 10,000 deposit gets you BDT 15,000 in bonus funds — giving you a total of BDT 25,000 to play with. This bonus can be used across Slots, Live Casino, or Sports Betting.
The daily cashback offer is a fan favourite — and for good reason. Win and you're happy; lose and you still get 10% back. Best of all, this cashback can be withdrawn with no wagering requirements, making it genuinely valuable. Calculations are done at midnight every day, and the amount is credited to your account by 6:00 AM.
Free spin offers are designed primarily for slots lovers. When bk6661 launches a new game, it frequently comes with 100–200 free spins. Any winnings from these spins can be withdrawn directly once the required wagering condition is met.
Bk6661 VIP members enjoy even greater bonuses than regular members. Every bet you place earns points through the VIP program, and those points can be redeemed for exclusive vouchers. VIP members also receive monthly bonuses, birthday bonuses, and special offers during exclusive events.
Pohela Boishakh, Eid ul-Fitr, Eid ul-Adha — bk6661 releases special vouchers for every major festival in Bangladesh, and bonus rates typically double during these periods. Keep an eye out and make the most of these opportunities when they come around.
Every voucher has an expiry date — if you don't use it in time, it's gone. After claiming a voucher, make sure to note its validity period. To complete the wagering requirement, play strategically — instead of placing large bets all at once, work through the wager gradually with smaller, consistent bets.
One thing to always keep in mind — never deposit beyond your budget just to chase a bonus. bk6661 believes in responsible gaming. Play within your limits and treat bonuses as a perk, not a goal.
All deposit and bonus transactions are secured with SSL encryption.
Answers to the most frequently asked questions about bonuses and vouchers.
If you have any questions about vouchers or bonuses, our 24/7 support team is ready to help.
Help Center