Fresh vouchers, promo codes, and cashback offers every day. tk 688 members get them first.
Just like the vibrant markets of Cumilla, the voucher section at tk 688 is always fresh and full of great deals. New cashback vouchers drop every day, returning a portion of every bet you place — win or lose.
Weekend cashback offers can return up to 10% on your losses. This offer applies to both Sports Betting and casino play. Simply enter the promo code at the time of deposit to activate the voucher.
Copy any voucher code below and use it when making a deposit
Get up to ৳10,000 bonus on your first deposit. Minimum deposit ৳500.
Get 10% of your weekly losses automatically refunded every Monday.
Download the tk 688 app and get ৳300 in free betting credits on your first login.
Both you and your friend each receive a ৳500 bonus for every successful referral.
Place a bet on any international cricket match and get an extra 50% bonus.
A 1.2% rebate on your total daily Live Casino wagers is credited directly to your wallet.
In Bangladesh's online betting scene, tk 688 is best known for its deposit voucher system. Other platforms might give you one voucher and call it done — but here, every deposit comes with its own bonus opportunity.
Deposits via bKash come with their own bonus, and so do deposits via Nagad. There's even a premium voucher that unlocks when you deposit above a certain amount. tk 688 wants every member to get a little something extra with every transaction.
New members get three separate vouchers for their first three deposits — a tiered welcome package that starts at 200% on the first deposit, 150% on the second, and 100% on the third.
Activate your voucher in just a few simple steps
Log in to your tk 688 account. New here? Sign up first — it only takes 2 minutes.
Click the copy button on your chosen voucher card above to copy the code.
Go to the Wallet or Deposit section and select your preferred payment method.
Paste the code in the "Promo Code" or "Voucher Code" field and confirm your deposit.
Once your deposit goes through, the bonus is added to your balance instantly — no extra steps needed.
Don't miss this limited-time voucher offer
Many people think vouchers are only for deposit bonuses. At tk 688, it goes much further than that. There are dedicated vouchers for each category — Sports Betting, Live Casino, slots, virtual sports, and even e-sports.
There are special seasonal vouchers for cricket fans. Ahead of big matches like Bangladesh vs India or Pakistan, tk 688 typically releases an exclusive promo code worth up to 50% in extra bonus. These codes usually stay active for 24–48 hours, so keep an eye out.
Slots vouchers work a little differently — here you get free spins, meaning a set number of spins on selected slot games at no cost. Any winnings from those free spins can be withdrawn once the applicable wagering requirements are met.
Unlock All VouchersWhich voucher is right for you?
| Voucher Type | Bonus Amount | Minimum Deposit | Wagering | Valid | Automatic |
|---|---|---|---|---|---|
| Welcome Bonus | Up to 200% | ৳500 | X15 | 30 Days | ✓ Yes |
| Weekly Cashback | Up to 10% | ৳1,000 | X5 | 7 Days | ✓ Yes |
| App Bonus | ৳300 Free | ৳0 | X10 | 15 Days | ✓ Yes |
| Referral Bonus | ৳500 Per Referral | ৳500 | X8 | Ongoing | ✓ Yes |
| Cricket Bonus | 50% Extra | ৳200 | X12 | Full Match | ✓ Yes |
| Casino Rebate | 1.2% Daily | ৳500 | X3 | Ongoing | ✓ Yes |
Everyone in busy Dhaka is looking for a little fun. tk 688 gets that, which is why their voucher system is so simple and effective. Just open the app, copy the code, apply it on deposit, and claim your bonus — done.
Tk 688 vouchers are especially popular in the casino section. They're valid across live baccarat, roulette, and Teen Patti. Joining live dealer games at night unlocks a separate "Night Voucher" bonus that's only active between 10 PM and 4 AM.
Plus, every first week of the month brings a "Monthly Mega Voucher" with extra incentives on large deposits. This voucher strategy is a big part of why tk 688 has grown so fast in the Bangladesh market.
Online betting in Bangladesh is no longer limited to a tech-savvy few. From Rajshahi to Chattogram, Sylhet to Barishal, people across the country are now betting from their smartphones at home. Giving this huge community the best possible experience is at the heart of what tk 688 does — and vouchers are one of the biggest tools for making that happen.
On many platforms, bonuses look great on paper but come loaded with so many withdrawal conditions that you never actually see the money. tk 688 had that problem in mind. Wagering requirements here are relatively low, validity periods are generous, and withdrawing winnings from bonuses is straightforward. That's why so many experienced bettors are leaving other platforms and switching to tk 688.
A quick note on using voucher codes — they're not case-sensitive, but spaces will cause them to fail. Using the copy button avoids that issue entirely. Also, each voucher code can only be used once per account, though referral codes are the exception and can be reused.
VIP members receive exclusive "Private Vouchers" on top of standard offers, delivered directly via email or app notification. These vouchers typically carry much higher value and come with lower wagering requirements. The most straightforward path to VIP status is consistent betting and maintaining a set monthly turnover.
Seasonal vouchers are worth keeping an eye on. During Eid, Puja, and Pohela Boishakh, tk 688 typically releases special festive voucher packages. Last Eid, they launched an "Eid Mega Bonus" package that let users redeem up to 3 vouchers at once. To catch these limited offers early, subscribe to the newsletter or keep app notifications turned on.
All things considered, tk 688's voucher system is the most diverse and user-friendly in Bangladesh's betting market. Whether you're new or a seasoned player, there's something here for everyone. Don't wait — claim your voucher today.
Common Questions About Vouchers