Play slot games at 3k778 — every spin is a chance to win a massive jackpot
Welcome to Bangladesh's most trusted online casino platform. Live casino, cricket betting, Andar Bahar, and hundreds of slot games — all in one place.
Welcome Bonus
Open your first account at 3k778 and make a deposit to receive a 200% bonus — up to a maximum of ৳15,000. That means if you deposit ৳5,000, an extra ৳10,000 will be added to your balance. Once you meet just a 25x wagering requirement, the bonus converts into real money.
- Minimum deposit of just ৳100
- Instant deposits via bKash, Nagad, Rocket, and bank transfer
- Bonus usable on slots, live casino, and sports betting
- Weekly cashback offers and reload bonuses every week
How to Get Started
Begin your gaming journey in just four simple steps.
Register
Go to the 3k778 website and click the "Register" button. Create your account with your name, mobile number, and password. The whole process takes less than two minutes.
Log In
Log in using your registered mobile number and password. From your account dashboard you can access all games and betting sections.
Make a Deposit
Deposit from just ৳100 using bKash, Nagad, or Rocket. A 200% bonus will be automatically credited to your account on your first deposit.
Play and Win
Choose your preferred slot game, live casino, or cricket betting. When you win, withdraw from a minimum of ৳500 — funds typically arrive within 30 minutes to 3 hours.
Top Slot Games
The most popular slot games at 3k778 — every spin brings the chance of a big win.
Fortune Tiger
PG Soft
SlotGates of Olympus
Pragmatic Play
MegawaysSweet Bonanza
Pragmatic Play
Cluster PaysDragon Fortune
JILI
Fishing SlotFortune Rabbit
PG Soft
Video SlotFortune Gems
JILI
ClassicMahjong Ways
PG Soft
Ways SlotMega Fishing
JILI
Fishing GameReady to Win Big?
Join 3k778 today and get a 200% bonus on your first deposit.
Log In and Start PlayingPayment Methods and Times
3k778 supports the most widely used mobile banking and bank transfer services in Bangladesh. Details for each method are listed below.
| Payment Methods | Minimum Deposit | Maximum Deposit | Processing Time | Notes |
|---|---|---|---|---|
| bKash | ৳100 | ৳1,00,000 | Instant | Most widely used, easy on the mobile app |
| Nagad | ৳100 | ৳50,000 | Instant | Operated by the postal department, fast and reliable |
| Rocket | ৳100 | ৳50,000 | Instant | Dutch-Bangla Bank's mobile service |
| Upay | ৳100 | ৳25,000 | Within 15 minutes | UCB's mobile financial service |
| Dutch-Bangla Bank | ৳500 | ৳5,00,000 | 1–6 hours | Bank Transfer — faster during office hours |
| City Bank | ৳500 | ৳5,00,000 | 1–24 hours | Online banking supported |
| BRAC Bank | ৳500 | ৳5,00,000 | 1–24 hours | Parent company of bKash, reliable |
* For withdrawals, funds typically arrive within 30 minutes to 3 hours. The minimum withdrawal by bank transfer is ৳500.
Cricket Betting
For people in Bangladesh, cricket is more than a sport — it is a passion. Bet live at 3k778 on BPL, T20 World Cup, IPL, and ICC tournaments. Get real-time odds for every Bangladesh Tigers match — from before the first innings through to the final ball.
Live scorecards, ball-by-ball updates, and fast bet settlement during matches — all on one platform. Whether you are in Dhaka or at the ground in Chittagong, 3k778 is always with you.
Why Choose 3k778?
Our platform offers everything a Bangladeshi player truly needs.
Fast Withdrawal
Funds reach your mobile wallet within 30 minutes to 3 hours.
SSL Protection
Your information and money are secured with the highest-grade SSL encryption.
24/7 Bengali Support
Get help via live chat in Bengali any time of day or night — fast and effective.
Local Payments
Four mobile wallets supported including bKash, Nagad, and Rocket, plus bank transfer.
Huge Game Collection
Slots, live casino, fishing, crash games — top provider games across every category.
Live Sports Betting
Cricket, football, kabaddi — bet at real-time odds on live matches.
VIP Club
Enjoy weekly cashback and exclusive benefits across three tiers: Bronze, Silver, and Gold.
Fair Play Guarantee
Every game result is completely fair using a Random Number Generator (RNG).
Crash Games
Aviator (Spribe) and other popular crash games are currently the fastest-growing category in Bangladesh's online gaming scene. The concept is simple — a plane or multiplier keeps rising, and you need to cash out before it crashes.
How a Round Works
- Set your bet amount before the round starts
- Once the game begins, the multiplier rises (from ×1.0 upward)
- Press the "Cash Out" button at any moment to lock in your winnings at that multiplier
- If you do not exit before the crash, your bet is lost
- The auto cash-out feature lets you exit automatically at a preset multiplier
Caution: Each crash game round is very short — set a stop limit before you play. Any third party claiming to offer "prediction signals" or a "hack app" is completely fraudulent.
VIP Club
Play regularly and rise through three exclusive VIP tiers — the benefits grow at every level.
Bronze
Up to 0.3%
weekly cashback. Join this tier by participating on the platform regularly.
Silver
Up to 0.7%
weekly cashback. Move up to the Silver tier by playing more than at Bronze level.
Gold
Up to 1.0%
weekly cashback. Enjoy the highest benefits and priority support.
3k778 — a trusted, secure, and transparent online gaming platform built for Bangladeshi players, where every player's experience and safety is the top priority.
Bankroll Management Guide
Bankroll management is the most important skill for enjoying online gaming over the long term. It means deciding in advance how much money you will play with and when you will stop.
Start by setting a "gaming budget" — an amount you can afford to lose without it affecting your daily life. Never take this budget from your personal savings, bills, or family expenses.
Divide your monthly budget into smaller sessions. For example, with a monthly budget of ৳5,000, play with ৳500–800 per session. This way one bad day will not wipe out your entire budget.
- The 1–5% rule per bet: Place a maximum of 1–5% of a session's balance on a single bet. Smaller bets let you play for longer.
- Stop after a win: Once you reach a set target (for example, 20% profit), end that session. Greed is the biggest enemy.
- Set a loss limit: If you lose 50% of your session balance, stop for the day. Chasing losses risks losing even more.
- Keep records: Write down the deposit, withdrawal, and result for every session. This keeps you aware of your own habits.
- Take breaks: Do not play for several hours straight — take a short break every hour. Rest keeps your mind clear and your decisions better.
Betting Terms and Glossary
Simple explanations of common online casino and betting terms for new players.
RTP (Return to Player)
The theoretical rate at which a game returns a percentage of total bets to players over the long term. For example, an RTP of 96% means that on average ৳96 comes back for every ৳100 bet — but this is a long-term statistic, not a guarantee for any single round.
House Edge
The mathematical advantage the casino holds in every game is called the "house edge". It is calculated by subtracting the RTP from 100%. The lower the house edge, the better a player's position in the long run.
Wager / Stake
A wager or stake is the amount of money you place on a single bet. A "Wagering Requirement" is how many times you must bet the bonus amount before you can withdraw it — for example, 25x means you need to place ৳2,500 in bets on a ৳100 bonus.
Odds
In sports betting, odds represent the probability of winning and how much you will get back if you win. The higher the odds, the greater the payout — but the lower the probability.
Parlay / Accumulator
Combining multiple events into a single bet is called a Parlay or Accumulator. Winning all events results in a large return, but losing any one of them means losing the entire bet.
Live Bet
Placing a bet in real time while a match or event is in progress is called a live bet. Odds change continuously and you have the chance to make quick decisions.
Cashout
Cashout is the option to exit your bet before a match or event ends. It is used to secure a partial profit even when a full win is not guaranteed.
Bankroll
The total budget set aside specifically for gaming or betting is called a bankroll. Proper bankroll management keeps a player protected over the long term.
Volatility
In slot games, volatility refers to the balance between the frequency and size of wins. High volatility means bigger wins but less often; low volatility means smaller but more frequent wins.
Free Spin
In slot games, free spins are the chance to spin the reels at no cost — usually earned through bonus features, scatter symbols, or promotional offers. Winnings from free spins often come with wagering conditions.
Spread
In sports betting, the spread is the expected score difference between two teams. The outcome of the bet is determined not just by who wins or loses, but by how large the margin of victory is.
Wagering Requirement
The condition specifying how many times you must bet to become eligible to withdraw bonus funds. The wagering requirement for the 3k778 welcome bonus is 25x — meaning you must complete bets totalling 25 times the bonus amount before withdrawing.
Refer a Friend
Bring your friends to 3k778 — both of you will earn rewards.
Share Your Referral Link
Copy your personal referral link from your profile and share it with friends or family.
Friend Registers and Deposits
The referral is complete once your friend opens an account through your link and makes their first deposit.
Both of You Get Rewarded
After a successful referral, both you and your friend will receive a bonus — credited directly to your accounts.
Example Reward
For each successful referral, both parties can receive up to ৳300 in bonus (subject to change based on the current promotion). See your account's promotions section for full bonus details.
Terms & Conditions
- You cannot refer yourself (self-referral is not allowed)
- Each person may create only one account
- The referred friend must be a new user
- A minimum deposit condition applies to receive the bonus
Customer Support Channels
Whenever you need help at 3k778, we are always ready. Our support channels are listed below.
24/7 Live Chat (in Bengali)
Use live chat for the fastest resolution. Get instant help with account issues, deposits, withdrawals — anything you need.
Email Support
For complex matters, document submission, or detailed complaints, contact us by email.
[email protected]
In-App Messaging
Contact the support team directly from within the app. You can get help even while a game is in progress.
Beware of Fake Sites and Scams
Some fraudulent groups are running fake sites and social media pages using the 3k778 name. Follow the guidelines below to keep yourself protected.
Privacy Policy Notice
3k778 places the highest importance on protecting your personal information. We use SSL encryption to keep your data secure and never sell it to third parties. Read our privacy policy for full details on how your information is collected, used, and protected.
Read the Privacy Policy
Legal Notice
3k778 is an online platform that operates internationally. The platform does not claim any specific license or regulatory authority.
Bangladesh's Public Gambling Act was enacted in 1867 — online betting did not exist at that time. As a result, matters related to internet-based gaming are not clearly defined in law and remain in a grey area.
The user is solely responsible for complying with the local laws of their own country or region. Make sure you are aware of your local laws before using 3k778.
3k778 strictly enforces a 21+ age limit. To learn more about responsible gaming, visit our Responsible Gaming page.