by666 Online Betting — Get Help in Bangla Anytime
A trusted platform for players in Bangladesh — 24/7 Bangla support, fast bKash and Nagad payments, and a wide range of exciting games.
Supported payment methods
Live support in Bangla
Minimum deposit amount
Welcome bonus, up to ৳5,000
What makes us different
Fast Withdrawals
Winnings typically arrive in your bKash or Nagad account within 1 hour — no waiting around.
Secure Platform
SSL encryption and fair play technology ensure your information and funds are always protected.
24/7 Bengali Support
Get help in Bangla via live chat or email at any time of day or night — our team is always ready.
Attractive Bonuses
New members get a 100% first deposit bonus — up to ৳5,000. Plus VIP cashback every week.
Cricket Betting
Detailed betting markets on BPL, IPL, and T20 World Cup matches — a great fit for Bangladesh Tigers fans.
Live Casino
Live baccarat, roulette, and Teen Patti with real dealers — the casino experience from home.
Mobile-First Design
Play easily from any smartphone — no need to download a separate app.
VIP Rewards Program
Weekly cashback across four tiers from Bronze to Platinum — the more you play, the more you earn.
Welcome Bonus — up to 100% up to ৳5,000
Deposit for the first time at by666 and get a bonus equal to your deposit amount. For example, deposit ৳1,000 and get a ৳1,000 bonus — total balance ৳2,000. Deposit ৳12,000 or more and receive the maximum ৳5,000 bonus, giving you a total balance of ৳17,000.
The bonus wagering requirement is just 20 times — and it is calculated on the bonus amount only. For example, a ৳1,000 bonus × 20 = ৳20,000 in bets makes the bonus winnings withdrawable.
Cricket Betting Markets
by666 offers detailed betting markets on tournaments like BPL, IPL, and the ICC T20 World Cup. A brief introduction to each market is given below for easy understanding.
| Market Type | Example |
|---|---|
| Match Winner | Who will win the Bangladesh vs India match — this straightforward bet is the most popular. |
| Toss Winner | Which team will win the toss — this market is available before the match starts. |
| Top Batsman | Which player will score the most runs in an innings — this can be team-based or match-based. |
| Total Runs Over/Under (O/U) | Whether the runs scored in a full innings or a specific over will be more or less than a set line. |
| Runs in an Over | How many total runs will be scored in a specific over — particularly exciting in live betting. |
| Method of Dismissal | How the next wicket will fall — caught, bowled, LBW, or another method. |
| Player of the Match | You can bet on who will win the award before the match begins. |
How do live in-play odds change?
During a match, odds update instantly with every wicket and change in run rate. Losing a key wicket in the final overs causes the batting team's odds to rise quickly, while a rapid scoring spree brings them down. Experienced bettors who track these shifts can find opportunities to bet at better value.
Jackpot Games
Progressive Jackpot Slots
A portion of every bet goes into the pool, so the jackpot amount grows steadily. Hit the top combination on any spin and you can win the entire pool.
Live Casino Side-Bet Jackpot
While playing live baccarat or blackjack, winning a side bet can earn you an extra prize — a bonus opportunity alongside your main hand.
Crash Game Multiplier
The higher the plane or rocket climbs on the graph, the bigger the multiplier grows — cash out at the right moment for a big win. Aviator is a well-known example of this type of game.
Fishing Game Jackpot
Catching a big boss fish in a fishing game can earn a huge reward. Target bigger fish with increased bullet power and the multiplier can grow many times over.
Top Game Providers
by666 features the best games from the world's leading game developers. Slots and live games from well-known providers like Pragmatic Play, PG Soft, and JILI are especially popular with players in Bangladesh.
One of the world's most popular slot providers. A leader in developing slot games with high-quality graphics and interactive features. They also have a strong presence in the live casino segment.
Gates of Olympus Sweet Bonanza Sugar RushParticularly strong in Asia-focused slot games — distinctive for themes inspired by Asian mythology and culture. The mobile-first design delivers a great experience on smartphones.
Mahjong Ways Fortune Tiger Treasures of AztecHas grown rapidly in popularity across fishing games, slots, and live card games. JILI's fishing games and card games are especially favored by players in Bangladesh.
Fortune Gems Money Coming Mega FishingEvolution Gaming is a global leader in the live casino segment. Real-dealer live baccarat, roulette, and game-show format games are run from their studios.
Spribe is a pioneer in the crash game category — their Aviator game is a favorite for players worldwide. Simple mechanics and fast rounds make it a top choice for mobile players.
AviatorOne of the oldest and most respected providers in the online gaming industry. They operate a large portfolio spanning classic video slots through to table games.
Local Card Games
Teen Patti
Three cards are dealt to each player per round and the best hand wins. Bets increase gradually — you can choose to play 'blind' or 'seen'. Tip: Start with small bets to get a read on your opponents' hands. This can be played against a live dealer as well as against other players.
Andar Bahar
The dealer reveals one middle card, then deals cards one by one to each side. You bet on which side will first match the middle card's value — Andar (inside) or Bahar (outside). Tip: The game is simple, but the quality streaming in the live version makes for a completely different feel. Played against a live dealer.
Callbreak
The full deck is dealt among four players. The strongest card wins each trick — spades are always trump. At the start of each round, you bid on how many tricks you will win. Tip: Count the spades in your hand before placing your bid. Played against other players.
Ludo and Rummy
In digital Ludo, roll the dice and move your pieces home — familiar rules, fast rounds. In Rummy, match cards into sets or sequences; the first to discard all cards wins. Tip: In Rummy, watch your opponents' discards rather than drawing cards hastily. Both are played against other players.
How to Read Odds
Odds tell you how much you get back if you win. The simplest format is decimal odds — this is the default on most platforms in Bangladesh.
Decimal Odds Example
৳500 bet × 1.80 = ৳900 total return
That means a profit of ৳400, plus your original ৳500 stake returned.
Implied Probability
Odds of 1.80 mean the bookmaker estimates the probability of this outcome at around 55.6% — formula: 1 ÷ 1.80 × 100.
Quick comparison of other formats
| Format | Example | Meaning |
|---|---|---|
| Decimal | 1.80 | Total return of ৳1.80 for every ৳1 staked |
| Fractional | 4/5 | ৳4 profit on a ৳5 bet |
| American (Moneyline) | -125 | ৳100 profit on a ৳125 bet |
Fast Deposits with bKash and Nagad
bKash
bKash is the most convenient option for anyone who wants to make quick deposits from a smartphone at any time of day or night. Minimum deposit ৳500.
Nagad
A fast and reliable option for players outside Dhaka and those accustomed to using the Nagad wallet. Minimum deposit ৳500.
Rocket
Rocket mobile banking service by Dutch-Bangla Bank — the straightforward way for DBBL customers to deposit directly from their wallet. Minimum deposit ৳500.
Bank Transfer
Direct transfer from major Bangladeshi banks such as Dutch-Bangla Bank, BRAC Bank, or Islami Bank — suitable for larger amounts. Minimum deposit ৳500.
Cashback & Rebate
Every bet at by666 helps you advance your VIP level. As you move up, your weekly cashback rate increases — regardless of whether you win or lose.
| VIP Level | Weekly Cashback | When It Is Credited |
|---|---|---|
| Bronze | Up to 0.2% | Every Monday |
| Silver | Up to 0.5% | Every Monday |
| Gold | Up to 0.8% | Every Monday |
| Platinum | Up to 1.0% | Every Monday |
Bonus Terms & Conditions in Plain Language
| Bonus Type | Amount / Rate | Wagering Requirement |
|---|---|---|
| Welcome Bonus (First Deposit) | 100%, up to ৳5,000 | 20x the bonus amount |
| Weekly Cashback (VIP) | 0.2% – 1.0% (based on level) | No wagering requirement |
What is a wagering requirement?
This number tells you how many times you need to place bets before you can withdraw your bonus winnings. Example: ৳1,000 bonus × 20 = ৳20,000 in total bets must be completed.
Game Contribution
Not all games contribute equally toward wagering. Slot games generally contribute in full, while some table games may contribute partially — see the full terms and conditions page for details.
Maximum Bet While a Bonus Is Active
While wagering a bonus, each bet must be kept within a set limit. Placing a bet above this limit may result in the bonus being cancelled.
Bonus Expiry & Maximum Cashout
A bonus will expire if it is not used within a set period. A limit also applies to the maximum amount that can be withdrawn from a bonus — see the full terms and conditions page for details.
Security & Trust
by666 is a safe and reliable platform. We use industry-leading technology to keep your personal information and financial transactions secure.
SSL Encryption
All data transmission is encrypted with 256-bit SSL.
Fair Play Guarantee
Random Number Generator (RNG) technology ensures unbiased results.
Account Security
Two-factor authentication and unusual login alert system.
24/7 Support
Get direct help via live chat or email for any issue.
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Start Now — Get a 100% Bonus
Join by666 and enjoy a bonus of up to ৳5,000 on your first deposit. 24/7 Bangla support is always here for you.
For players aged 21 and above only. Play responsibly.
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