Www3666 brings fresh offers every month for both new and existing members — from welcome bonuses to seasonal cashback. Find all current promotions right here.
Check out the active offers at www3666 — claim them before they expire.
Open your first account at www3666, make a deposit, and get a 100% bonus instantly. Deposit ৳5,000 and receive another ৳5,000 in bonus — giving you ৳10,000 to start betting with.
Had a tough week? Don't be discouraged. Every Monday, www3666 credits 15% cashback on your previous week's total net losses directly to your account — up to a maximum of ৳5,000.
Just opened a new account at www3666 and lost your first bet? No worries — you'll get up to ৳500 back as free bet credit. This insurance offer applies to your first bet only.
Deposit at www3666 every Friday and get a 50% Reload Bonus. Make the most of your weekend betting with a bigger balance. Deposit before midnight on Friday to qualify.
Refer a friend to www3666 and earn ৳300 in bonus every time they make their first deposit. The more friends you refer, the more you earn — with no cap on rewards. Find your referral link in your account.
Download the www3666 app and place your first bet to get your odds doubled. For example, odds of 1.80 become 3.60. This offer applies exclusively to bets placed through the mobile app.
Claiming any promotion at www3666 takes just a few simple steps.
Sign up at www3666 in just 2 minutes — all you need is your mobile number and a password.
Deposit easily with Mobile Pay, Nagad, or Rocket. Minimum deposit is just ৳200.
Some offers require a promo code. Enter the specific code at the time of deposit and the bonus will be added automatically.
Most offers are activated automatically. In some cases, you may need to activate them manually from the "Promotions" tab in your account.
Place bets on your favorite matches using your bonus balance. Once the rollover requirement is met, you can withdraw your winnings.
Offers made for bettors in Bangladesh.
Bonus is credited to your account instantly — no waiting around.
Have a question about any promotion? Chat support in Bengali is available anytime.
All offers can be claimed directly from your smartphone — no extra steps required.
No hidden conditions. All terms are written in plain, simple language.
New offers drop every week, so existing members always have something to look forward to.
Special offers during Eid, Puja, or BPL season — double the fun, double the celebration.
View all ongoing and upcoming offers at www3666 in one place.
| Offer Name | Bonus Amount | Eligible Members | Validity | Status |
|---|---|---|---|---|
| Welcome Deposit Bonus | Up to 100% — ৳10,000 | New Member | Limited Time | Active |
| Weekly Cashback | Up to 15% — ৳5,000 | All Members | Every Monday | Active |
| First Bet Insurance | ৳500 Free Bet | New Member | On First Bet | Active |
| Friday Reload Bonus | Up to 50% — ৳3,000 | All Members | Every Friday | Active |
| Refer a Friend | ৳300 Per Friend | All Members | All Year Round | Active |
| Mobile App Bonus | Double Odds Boost | App Users | On First Bet | Active |
| Eid Special Bonus | Up to 75% — ৳8,000 | All Members | During Eid Season | Coming Soon |
| BPL Cricket Bonus | Odds Boost + Cashback | All Members | During BPL Season | Coming Soon |
After creating a new account at www3666, you get a 100% bonus on your first deposit. Deposit ৳3,000 and ৳3,000 is added to your bonus balance straight away. Use it to bet on cricket, football, kabaddi — any sport you like. Once the rollover requirement is met, the bonus moves to your main balance and can be withdrawn. Many platforms make rollover conditions tough to clear, but at www3666 it's straightforward — just 1× rollover and the bonus is yours.
Everyone knows betting doesn't always go your way. But at www3666, a losing week doesn't have to leave you empty-handed. Every week, you automatically receive 15% cashback on your total net losses from the previous 7 days — no separate claim needed. The cashback is credited directly to your account, up to a maximum of ৳5,000, giving you a fresh start for the week ahead.
Throughout the year, www3666 runs special promotions tied to key occasions — Eid ul-Fitr, Eid ul-Adha, Pohela Boishakh, and major Bangladesh national team matches all come with exclusive bonuses and odds boosts. Tournaments like the BPL or Asia Cup bring their own competitive offers that regular members enjoy the most. These promotions are time-limited, so keep your www3666 notifications on to make sure you don't miss out.
Www3666's referral program has become a favorite in Bangladesh's betting community. You'll get a unique referral link from your account. When a friend registers through your link and makes their first deposit, you earn ৳300. Refer 10 friends and that's ৳3,000 — with no upper limit. The earnings go directly to your betting balance and can be withdrawn.
Place your first bet after downloading the www3666 app and the odds on that bet are doubled. It's a massive advantage — chances to get double the return on standard odds don't come around often. The app is available for both Android and iOS, and it's completely free to download.
At www3666, every offer's terms are clearly stated. Rollover requirements, minimum deposit, validity period — all the details are upfront. Reading the terms before claiming an offer saves any confusion later. For any issues, 24/7 live chat support is available.
The most frequently asked questions about www3666 promotions.
Thousands of Bangladeshi bettors enjoy bonuses on www3666 every day. Start yours today.