Every deposit at 666ck comes with its own perks. From the welcome bonus to weekly cashback, free spins to referral rewards — our promotions list is always updated.
Separate offers available for new and existing members
Open your first account at 666ck and get a 100% bonus on your first deposit, up to BDT 10,000. The best way to get started as a new member.
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Every Monday, cashback based on your previous week's net losses is credited directly to your account. The higher your VIP tier, the more cashback you receive.
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Take part in 666ck's monthly Sports Tournament and win prizes by finishing in the top 100. The more you bet, the more points you earn.
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Invite your friends to 666ck. When they sign up and make their first deposit, you get BDT 500 added to your account. No limit on referrals.
ReferLog in to 666ck every Wednesday and get 50 free spins on selected slots games. This offer is available to all VIP members at Silver tier and above.
Claim OfferThe rewards do not stop after your first deposit. Get a 50% bonus on your second deposit at 666ck, up to BDT 5,000. Easy conditions and fast withdrawals.
Claim OfferSee what each offer gives you — all in one table
| Offer Name | Bonus Amount | Maximum Limit | Rollover | Validity |
|---|---|---|---|---|
| First Deposit Bonus | 100% | BDT 10,000 | 10x | 30 Days |
| Second Deposit Bonus | 50% | BDT 5,000 | 8x | 21 Days |
| Weekly Cashback | 3%–15% | Unlimited | 1x | 7 Days |
| Referral Bonus | BDT 500 per person | Unlimited | 5x | 14 Days |
| Free Spins Wednesday | 50 Spins | — | 3x | 24 Hours |
| Monthly Tournament Prize | By Rank | BDT 5,00,000 | 1x | Monthly |
In online betting, promotions are more than just numbers and percentages. 666ck believes every member deserves to get the most out of their betting experience — and our promotions programme is designed to make that happen. Every offer is built with Bangladeshi players in mind, so they are practical and genuinely useful.
Many platforms offer bonuses, but the withdrawal conditions are so difficult that most players never actually see that money. At 666ck, we keep our rollover requirements reasonable — our goal is to make it easy for the average bettor to turn their bonus into withdrawable funds.
The welcome bonus is the most attractive offer for new players. Deposit BDT 500 and get BDT 500 in bonus — giving you BDT 1,000 to start with. The bonus can be used across Sports Betting, Live Casino, or slots, so you can try any game you like.
The weekly cashback offer is especially rewarding for regular players. For example, if you lost BDT 2,000 last week, you'd get BDT 200 back at 10% cashback — credited directly to your real balance. There's virtually no rollover to worry about; just a 1x requirement to withdraw.
666ck – Learn More About Our Promotions
666ck – Promotions Calendar
666ck has a different offer for every day of the week. See what's available on each day:
Each bonus at 666ck comes with a few straightforward conditions. A rollover means you need to wager a set multiple of the bonus amount before withdrawing. For example, a 10x rollover on a BDT 1,000 bonus requires BDT 10,000 in total bets. It sounds like a lot, but regular everyday betting is usually enough to clear it.
A common question is whether multiple bonuses can be active at the same time. At 666ck, you can generally have one deposit bonus and one ongoing offer (such as cashback or free spins) active simultaneously. However, two deposit bonuses cannot be combined at the same time.
Bonuses are also available for deposits made via mobile banking services like bKash and Nagad. Most bonuses are accessible with a minimum deposit starting from BDT 300. Once your deposit is confirmed, the bonus is credited to your account instantly — no separate request needed.
666ck keeps its promotions fresh and up to date. Extra offers are added during festive seasons, major sports events, and special occasions. Check this page regularly so you never miss a deal.
666ck – Latest Promotions & Rewards
Quick answers to the most frequently asked questions
Register at 666ck today and claim a 100% welcome bonus on your first deposit. Weekly cashback, free spins, and tournament prizes — all waiting for you at 666ck.