Current Promotion Offers
Get a 100% bonus on your first deposit, up to BDT 10,000. Exclusively for new members.
Claim NowGet 15% cashback on your net daily losses, credited automatically to your account the next morning.
Log inDeposit on selected slots games and receive 50 free spins. Winnings from these spins are credited directly to your bonus balance.
Browse SlotsInvite friends and earn BDT 500 for every friend who makes their first deposit. There's no limit on how many friends you can refer.
Join Now
What makes 663's promotions different?
Many online gaming platforms promise bonuses but bury them under layers of complicated terms and conditions. 663 Genuinely different in that regard. Every promotion here is built with Bangladeshi players in mind — straightforward terms, transparent rules, and fast payouts. No hidden charges, no unnecessary complications.
663The promotions section at is updated with fresh offers every day — from Welcome Bonuses to VIP-exclusive cashback, there's something for every type of player. New players can kick things off with the Welcome Bonus, while returning players enjoy ongoing loyalty rewards.
Welcome Bonus — Get an Advantage From Your Very First Step
663Open a new account at and make your first deposit to claim a 100% Welcome Bonus. Deposit BDT 1,000 and start playing with BDT 2,000. The bonus applies on deposits up to BDT 10,000 — deposit BDT 10,000 and get an extra BDT 10,000 in bonus funds.
No code is needed to claim the Welcome Bonus. Simply log in, make a deposit, and the bonus is added to your account automatically. To withdraw bonus funds, you'll need to wager 10 times the bonus amount — well below the industry standard.
Daily Cashback — A Fresh Start Every Single Day
663's Daily Cashback promotion is built for players who play regularly. Get up to 15% cashback on your net daily losses. Had a rough day? Wake up the next morning to find some of your money already back in your account.
The cashback system is fully automatic. Calculations are processed after midnight each day, and your cashback is credited by morning. No separate request needed — just keep playing, and 663 it takes care of the rest.
Bonus progress tracker
Bonus by Deposit Tier
Weekly & monthly special offers
663Beyond daily offers, also runs weekly and monthly special promotions. Every Monday, the Reload Bonus goes live — get 50% on your first deposit of the week. Every Friday brings the Weekend Special, where selected games award double points.
At the end of each month, the Monthly Jackpot Tournament kicks off. No separate registration required — just play the designated games to accumulate points, and the top players on the leaderboard win big prizes at month's end.
Referral program — bring a friend, both of you win
663's Referral Program is hugely popular among players in Bangladesh. For every friend you invite, once they complete their first deposit, you receive a BDT 500 direct bonus. Your friend also gets a Welcome Bonus, so it's a win for both of you.
There's no cap on referrals. The more friends you bring, the more bonuses you earn. Many regular players are already making thousands of BDT each month from referral bonuses alone — an opportunity most platforms simply don't offer.
VIP Bonus — exclusive perks for exclusive members
663Regular players at get access to our VIP Loyalty Program. Every bet you place earns points, and as your points grow, so does your VIP tier. Higher tiers unlock greater cashback, faster withdrawals, and a dedicated personal account manager.
Diamond VIP members receive a special luxury gift every month, along with priority access to exclusive events and tournaments not open to regular members. 663No separate application is needed to join 's VIP Program — just keep playing and your level upgrades automatically.
- Bonuses must be used within 72 hours of being credited.
- Bonuses cannot be withdrawn until the wagering requirement has been met.
- Bonus claims from multiple accounts sharing the same IP address or device are not permitted.
- This bonus is available to Bangladeshi users only.
- 663 reserves the right to modify promotion terms at any time.
Steps to claim your bonus
Create Account
Register for free at 663. Create your account in just 2 minutes using your mobile number or email.
Deposit
Deposit easily via Mobile Banking, Nagad, Rocket, or bank transfer. Minimum deposit starts from BDT 500.
Bonus credited automatically
Your bonus is credited automatically once your deposit is confirmed. No code or separate request required.
Play & Win
Play your favorite games with your bonus balance. Once wagering is complete, withdraw your winnings.
Withdraw
Withdraw your winnings anytime. At 663, withdrawals are typically processed within 1–6 hours.
Promotion comparison
| Promotions | Amount | Wager | Validity | Automatic |
|---|---|---|---|---|
| Welcome Bonus | 100% (up to BDT 10,000) | X10 | 7 Days | |
| Daily Cashback | 15% on net losses | X5 | 24 hours | |
| Free Spins pack | 50 Free Spins | X15 | 72 Hours | |
| Referral bonus | BDT 500 per friend | X8 | 30 Days | |
| Reload bonus | 50% (up to BDT 5,000) | X12 | 48 Hours | |
| VIP cashback | Up to 20% | X3 | Monthly |
Why play at 663?
Safe & Trusted
663 is a fully licensed and regulated platform. Your personal information and funds are completely secure.
Fast Payments
Deposits are instant; withdrawals typically process within 1–6 hours. Mobile Banking, Nagad, and Rocket are all supported.
24/7 support
Our support team is available whenever you need help. Feel free to reach out in Bangla.
Mobile-first experience
Works seamlessly on Android and iOS. Get the full experience right in your browser — no separate app needed.
New offers every day
663's promotions page is updated daily. Check back regularly so you never miss an offer.
Frequently asked questions
Get Started Today and Claim Your Bonus
Join 663 and enjoy hundreds of games along with a Welcome Bonus.