From the Welcome Bonus to VIP Cashback — tk678 has something for every type of player.
New members who register and make their first deposit at tk678 receive a 100% match bonus. Deposit BDT 1000 and your account will be credited with BDT 2000 in total. The bonus can be used across slots, casino, and Sports Betting.
Get a 100% bonus on your first deposit. Minimum deposit is just BDT 200. The bonus will be credited directly to your wallet.
Claim BonusDeposit every Monday and enjoy a 50% reload bonus. Gold and VIP members receive additional benefits.
Claim OfferEarn 10% cashback on your total weekly bets. Even if you lose, you get a portion back. Cashback is paid out every Friday night.
Get CashbackEarn a BDT 500 bonus for every successful referral. Your friend also gets a welcome bonus. The more you refer, the more you earn.
Refer NowBet on BPL, IPL, and international cricket and enjoy an extra 20% odds boost. Limited time only.
Get a BoostDiamond members receive 15% monthly cashback, a dedicated account manager, and access to private tables.
Go VIP
There are plenty of online gaming sites in Bangladesh, but tk678 stands out with a promotion structure that's a bit different. Here, it's not just new members who benefit — long-time regulars get equally attractive offers too. Finding this many varied bonus types all in one platform is genuinely rare.
Every tk678 promotion comes with clear, straightforward terms. No hidden conditions or complicated wagering requirements. You'll know upfront how many times you need to bet and which games the bonus applies to.
Tk678 also runs special seasonal promotions for every major sporting event. Cricket bonuses during BPL, football bonuses during the FIFA World Cup — the promotions keep pace with the action.
Signing up at tk678 takes just a few minutes. Enter your name, mobile number, and password to create your account. No fees required.
Make a minimum deposit of BDT 200 via mobile banking, bank transfer, or e-wallet. Your balance will be updated instantly.
Enter the relevant promo code (if applicable) at the time of deposit, or select the offer from the bonus section.
The bonus will be credited directly to your account. From there, jump into your favorite game and withdraw whatever you win.
| Promotions | Amount | Eligibility | Validity | Wager |
|---|---|---|---|---|
| Welcome Bonus | 100% | New Members | 7 Days | 15x |
| Reload Bonus | 50% | Silver+ | 3 Days | 12x |
| Weekly Cashback | 10% | Gold+ | Instant | 1x |
| Referral Bonus | BDT 500/Referral | All Members | 7 Days | 10x |
| Cricket Boost | +20% Odds | All Members | During the Event | Not Applicable |
| VIP Cashback | 15% | Diamond | Monthly | 1x |
Wagering requirement refers to how many times you must bet the bonus amount before you can withdraw. Full terms and conditions are available after logging in to the site.
Tk678 runs special promotions throughout the year tied to major festivals and sporting events. During key Bangladeshi celebrations — including Eid ul-Fitr, Eid ul-Adha, and the New Year — players can enjoy extra bonuses and free spins.
During the BPL season, tk678 runs exclusive cricket promo packages. Place bets on any match to earn bonus points, which can later be converted into rewards. The final match also comes with a special jackpot offer.
During IPL, the FIFA World Cup, or the Champions League, tk678 runs dedicated betting challenges. Hit specific targets to earn special rewards. You can take part solo or as a team.
Slots fans have something to look forward to as well, with a monthly slots tournament. Spin the most on select slot games or hit the highest multiplier to take home top prizes. Track your position on the leaderboard and enjoy the thrill of the competition.
Register now and instantly claim your 100% welcome bonus. Thousands of players across Bangladesh are already on tk678.