From welcome bonuses and cashback to free spins and reload offers — everything in one place. Great deals are waiting for both new and existing members.
Make your first deposit and get a 100% bonus — up to ৳10,000. The biggest offer available for new members.
Get 20% cashback on losing cricket bets every week. Applies to BPL, IPL, Test matches, and more.
Get 50 free spins on every new slots launch. Winnings go straight to your account — no extra conditions attached.
50% bonus on every Monday deposit — up to ৳5,000. A weekly reward exclusively for existing members.
Weekly cashback from 5% to 25% based on your VIP tier. No wagering requirements — withdraw as soon as it hits your account.
Invite a friend to 3666 bat — once they make a deposit, you'll earn a ৳500 bonus. No limit on referrals.
Receive a ৳2,000 bonus gift from 3666 bat on your birthday. Keep your date of birth updated in your profile — the bonus is credited automatically on the day.
Parlay 3 or more matches together and earn an extra 30% bonus on your winnings.
If you end the day with a net loss, 10% cashback will be credited to your account the following morning. Applies to both Live Casino and slots.
3666 bat bonus offers are more transparent than any other platform in Bangladesh. The terms and conditions for every offer are clearly stated — no hidden clauses, ever.
A 20x playthrough on the welcome bonus means: if you receive a ৳1,000 bonus, you need to wager a total of ৳20,000 before withdrawing. That's well below the industry average.
3666 bat cashback offers come with zero wagering requirements — withdraw your winnings the moment you receive them. That's why thousands of Bangladeshi players choose us.
Claiming a bonus at 3666 bat is quick and straightforward — just a few simple steps.
New users, sign up; existing users, log in. Complete your profile information in your account.
Deposit a minimum of ৳500 via bKash, Nagad, or Rocket. Your bonus is credited as soon as the payment is confirmed.
Some offers require a promo code — enter it in the "Promo Code" box when making your deposit.
Once playthrough requirements are met, you can withdraw winnings from your bonus. Cashback bonuses have no wagering conditions at all.
3666 Bat always has extra rewards for special occasions and festivals.
A special mega bonus package for Eid — featuring deposit bonuses, cashback, and exclusive tournaments.
Annual EventSpecial lottery draws and deposit bonuses for the New Year — Bangladesh's biggest festive offer.
Annual EventSpecial odds boosts and betting bonuses during the cricket or football World Cup — unique offers for every match.
SeasonalA massive bonus event celebrating 3666 bat's anniversary — open to all members.
Special
To get the most out of every bonus offer at 3666 bat, a few strategic points are worth keeping in mind. First, playing slots is the most effective way to meet the welcome bonus playthrough requirement — every bet on slots counts 100% toward the playthrough.
To make the most of cashback offers, spend more time on Live Casino and Sports Betting — these categories carry the highest cashback rates. For reload bonuses, plan your deposits on Mondays.
The higher your VIP tier, the bigger your bonuses. Diamond members receive custom bonuses that can be worth 2–3 times more than standard offers. Playing regularly to climb the VIP ladder is the most rewarding long-term strategy.
Sign up at 3666 bat and enjoy everything from a welcome bonus to daily cashback — all in one place.