New or regular — si6x has a bonus for every player. From the Welcome Package to Loyalty Rewards, your money goes further here.
Every offer is tailored with Bangladeshi bettors in mind
Up to ৳5,000 on Your First Deposit
Up to ৳2,000 every Monday
On weekly net losses, up to ৳3,000
Yours right after registration — no deposit needed
Refer a Friend and You Both Get a Bonus
Deposit via the si6x app and get an extra 25%
Online betting platforms in Bangladesh are growing in number, but most either load their bonuses with excessive conditions or offer amounts too small to be useful. si6x takes a different approach — keeping bonus terms straightforward, because it believes that a great experience brings players back naturally, without needing to trap them in a web of fine print.
Many sites load their welcome bonuses with 10–20x wagering requirements, which can make the whole thing feel pointless. At si6x, the Welcome Bonus requires just 5x turnover, and cashback has no conditions at all. The funds go straight to your wallet — ready to play with immediately.
Another thing worth noting is the range of bonuses available. Rather than limiting offers to just Sports or just Casino, si6x covers both — with plenty to go around. Love cricket? There are special free bets for cricket tournaments. Into slots? You've got free spins. Play Live Baccarat? There's Live Casino cashback for that too. No matter what kind of player you are, si6x has a bonus waiting for you.
Opening an account on si6x takes just 2 minutes. Get started with your mobile number or email.
After logging in, open the "Bonus Center" from your account dashboard. All active offers are listed right there.
Click on the offer you want and hit the "Claim" button.
As soon as you deposit via bKash, Nagad, or Rocket, the bonus is instantly credited to your wallet.
During Eid, Pohela Boishakh, the World Cup, and IPL season, si6x rolls out special bonus packages. These are available for a limited time only, so keep your notifications on.
You earn points on every bet. Stack enough points to move up a tier — and unlock even bigger bonuses.
0–500 points
501–2000 points
2,001–5,000 Points
5000+ points
You Need 1,200 More Points to Reach the Gold Level
See the terms for every bonus, all in one place
| Bonus Name | Amount | Minimum deposit | Wagering | Validity |
|---|---|---|---|---|
| Welcome Bonus | 200% / ৳5,000 | ৳500 | 5x | 30 Days |
| Weekly Reload | 50% / ৳2,000 | ৳300 | 3x | 7 days |
| Cashback | 15% / ৳3,000 | — | No conditions | Instant |
| Free Spins | 30 Spins | No deposit | 1x | 7 days |
| Referral Bonus | ৳500 Per Person | — | 2x | 30 Days |
| App Bonus | +25% | ৳200 | 3x | Daily |
Wins and losses are both part of betting. But when you're on a losing streak, it can feel like the whole week was a write-off. That's exactly where si6x's weekly cashback comes in. Every Sunday at midnight, 15% of your net losses from the previous week is credited back to your wallet — no strings attached.
Say you lose a total of ৳2,000 in a week — si6x will automatically credit ৳300 to your account. You can use it to play right away or withdraw it, no wagering requirements attached. It's not just a bonus; it's si6x's way of showing appreciation for you.
Many bettors assume cashback must be complicated to claim. At si6x, it's fully automatic — no separate claim, no form to fill out. Just log in on Monday morning and you'll find your cashback already sitting in your account.
Bangladesh has festivals and major cricket and football events throughout the year — and si6x runs special promotions during these periods that go well beyond standard bonuses. During Eid ul-Fitr and Eid ul-Adha, si6x offers an "Eid Mega Bonus" with up to an extra 30% on top of your deposit.
During the IPL and Cricket World Cup, si6x launches exclusive free bet packages. Selected users receive free bets before each match — and any winnings are yours to keep in full. These offers are limited and distributed on a first-come, first-served basis.
On Pohela Boishakh, si6x has a special surprise bonus for Bangladeshi players. Last year, si6x rewarded 5,000 active users with random cash bonuses on Pohela Boishakh. These unexpected rewards are part of what sets si6x apart from other platforms.
Frequently Asked Questions About Bonuses
Open an account in just 2 minutes, get a 200% bonus on your first deposit, and claim 30 free spins — hassle-free.