Whether you're new or a regular, every deposit at si6s comes with something for you. All offers are transparent, terms are clear, and everything is explained in Bengali.
All rewards currently available at si6s
On your first deposit, you'll receive a 100% bonus credited straight to your account — up to a maximum of ৳10,000.
10% cashback on your previous day's net losses is automatically credited to your account every morning. No application needed.
Deposit on any Friday and get a 50% reload bonus. It's one of the most popular offers among existing members.
Get a 30% bonus on your first deposit in the Sports Betting section. Valid for cricket, football, or any sport of your choice.
Earn a ৳500 bonus for every successful referral. The bonus is credited automatically once your friend makes their first deposit.
Every year on your birthday, si6s sends you a special bonus. The amount depends on your account level and your activity over the past 30 days.
The more you play, the more you earn
| Tier | Monthly Wagering | Cashback Rate | Withdrawal Time | Special Benefits |
|---|---|---|---|---|
| 🥉 Bronze | ৳ 0 – 50,000 | 5% | 24 hours | Welcome Bonus |
| 🥈 Silver | ৳ 50,001 – 2,00,000 | 7% | 12 Hours | Reload + Referral |
| 🥇 Gold | ৳ 2,00,001 – 10,00,000 | 10% | 6 Hours | Dedicated Manager |
| 💎 Platinum | ৳ 10,00,001 – 50,00,000 | 13% | 2 Hours | Custom Bonus |
| 👑 Diamond | ৳ 50,00,000+ | 15% | 30 minutes | VIP Events + Gifts |
On many online platforms, bonuses are advertised in big bold text — but the actual terms are so complicated that the bonus rarely does you any good. si6s takes a different approach. Every offer's terms are written clearly in Bengali: the wagering requirement, the validity period, which games count — all laid out in plain sight.
It all starts with the Welcome Bonus. Open an account and make your first deposit to get a 100% match bonus — deposit BDT 2,000 and your balance becomes BDT 4,000. The wagering requirement is 25x, which is reasonable compared to other platforms in the market.
Wagering means how many times you must bet with the bonus amount before you can withdraw. A 25x requirement on a ৳1,000 bonus means you need to place a total of ৳25,000 in bets.
Losses happen in casino and sports betting — that's just part of the game. si6s's Daily Cashback offer exists precisely for that reason. Whatever you lost yesterday, 10% of it comes back to you this morning. No code needed, no form to fill out — it's all automatic.
For regular players, this cashback really adds up by the end of the month. To put it in perspective: if you lose an average of ৳3,000 per day, you'd get back around ৳9,000 in cashback each month. That's not a small amount.
The si6s referral program is straightforward. Share your referral link — when a friend signs up through it and makes their first deposit, ৳500 is instantly credited to your account. There's no limit to how many people you can refer.
The referral bonus comes with a wagering requirement of just 5x — the lowest of any bonus available. That makes it significantly easier to convert into a real withdrawal.
Most bonuses are credited to your account automatically. However, some special offers require you to log in first and click the "Claim" button in the bonus section. The general step-by-step process is outlined below.
Sign up at si6s. All it takes is your name, mobile number, and a password — your account will be ready in just 2 minutes.
Account verification is required to claim the Birthday Bonus and VIP perks. Simply upload a photo of your National ID and you're all set.
Deposit a minimum of ৳500 via bKash, Nagad, or bank transfer. The Welcome Bonus will be credited to your account automatically.
Go to the Rewards section on the app or website. You can see all active offers, their expiry dates, and your remaining wagering requirements in one place.
Once your bonus wagering requirement is met, head to the withdrawal page and cash out using any available method.
Many players try to withdraw right after claiming a bonus without reading the terms first. That's not possible — once a bonus is claimed, wagering requirements must be met before any withdrawal. That said, si6s also gives you the option to deposit without claiming a bonus, in which case no wagering conditions apply.
Another common mistake is trying to claim multiple bonuses at once. On si6s, you cannot claim a new bonus while one is already active. Use or cancel your current bonus first, then claim the next one.
Opening multiple accounts from the same household or device to claim bonuses is strictly prohibited. si6s reserves the right to close any such accounts. Make the most of all the benefits with just your one account.
Si6s's VIP program has five tiers — Bronze, Silver, Gold, Platinum, and Diamond. All new members start at Bronze. Your tier moves up based on your monthly wagering, and each level unlocks additional benefits.
Reaching the Gold tier gets you a dedicated account manager who can help you directly with any bonus-related queries. From Platinum onwards, custom bonuses kick in — meaning offers tailored specifically to your preferred games or betting style.
The Diamond tier is si6s's most exclusive club. At this level, withdrawals are processed in just 30 minutes, cashback is 15%, and members receive invitations to special events. For true High Rollers, this tier offers an experience in a class of its own.
Making your first deposit through the si6s app gives you access to app-exclusive offers. Keep push notifications enabled so you never miss a new bonus. Flash offers also appear from time to time, active for just a few hours — app users are always the first to know.
Tracking bonuses is also much easier on the app. A single dashboard shows all your active bonuses, remaining wagering requirements, and expiry dates. The website has this too, but the app's interface is a bit more streamlined.
If your bonus hasn't been credited or you notice any discrepancy in wager tracking, reach out via Live Chat right away. si6s's Bengali support team is available 24 hours a day. Share the details of your issue — most cases are resolved within an hour.
The Most Frequently Asked Questions About Bonuses
Create an account on si6s, make your first deposit, and get a 100% Welcome Bonus. For users aged 18+ only.
Play responsibly. Gambling carries a risk of addiction — for more information, Responsible Gaming View page.