577b Online Casino — Get your money instantly to your mobile wallet and enjoy betting
The fastest withdrawal experience for players in Bangladesh. Cricket, slots, and live casino — all on one platform.
Get a 150% bonus on your first deposit
New members receive a 150% bonus directly on their first deposit, up to ৳20,000. Open an account now and start your first betting experience.
- 150% match bonus on first deposit
- Maximum bonus amount ৳20,000
- Wagering requirement just 15 times
- Minimum deposit just ৳100
- Deposit via bKash, Nagad, Rocket, Upay, and bank transfer
First Deposit Bonus
Get up to 150% bonus
For users aged 21 and above only. Bonus terms and conditions apply.
Game Category Overview
577b offers a variety of game types — from cricket betting to live casino. A brief introduction to each category is given below.
Cricket Betting
Bet on all major tournaments including BPL, IPL, and T20 World Cup. Live odds change during the match. Special markets are available for Bangladesh Tigers matches.
Live BettingSlot Games
Play hundreds of slot games from PG Soft, JILI, and Pragmatic Play. Slots are available in a variety of themes and features. Free spins and bonus rounds are available in almost every game.
PopularLive Casino
Play live casino in real time with real dealers. Many table games are available including Baccarat, Roulette, and Blackjack. You will find the best tables from Evolution Gaming and Ezugi right here.
Live DealerTable Games
Enjoy various variants of Baccarat, Roulette, and Blackjack. Games can be played with standard rules and there is room to apply strategy. Special tutorials are available for new players.
Strategy GamesTeen Patti and Andar Bahar
Teen Patti and Andar Bahar are popular card games from South Asia. JILI's special variants offer additional betting options. These games are very popular among Bangladeshi players.
Local FavoriteCrash Games
Aviator by Spribe is the most popular crash game. You need to cash out before the multiplier crashes. This fast-paced game is a favorite among players of all ages.
Fast-PacedBingo
Multiple bingo games are available including JILI's Fortune Bingo and Jackpot Bingo. Simple rules and quick rounds make this game well suited for new players. Playing in a group is a different kind of fun.
Easy to PlayFootball and Kabaddi Betting
Bet on football matches from FIFA, EPL, and the Bangladesh Premier League. Kabaddi betting is especially popular among Bangladeshi players. You can place bets on multiple leagues at the same time.
Multi-Sports
Cricket Betting Market Guide
The following betting markets are available for every match in BPL, IPL, and T20 World Cup. In live betting, odds update automatically after every over and wicket.
| Market | Example |
|---|---|
| Match Winner | Bangladesh vs India — Bangladesh will win |
| Toss Winner | Bet in advance on which team will win the toss |
| Top Batsman | Who will score the most runs in the match |
| Total Runs Over/Under | Whether total runs in the first 10 overs will be more than 70 |
| Runs in Over | How many runs will be scored in a specific over |
| Method of Dismissal | How the next wicket will fall — bowled, caught, run out |
| Player of the Match | Who will be named the best player at the end of the match |
In live in-play betting, odds update automatically after every wicket and after every over. No real-time odds are displayed here.
Top Game Providers
Games from the world's leading game developers are available at 577b. Learn about what each provider specializes in and some of their popular games.
PG Soft
PG Soft is known mainly for Asia-themed slot games. Their games run very smoothly on mobile and are packed with special bonus features. Games from this provider are very popular in Bangladesh.
Mahjong Ways Treasures of Aztec Fortune TigerPragmatic Play
Pragmatic Play is one of the largest game developers in the world. They have a strong presence across all categories — slots, live casino, and sportsbook. Their games are known for high-quality graphics.
Gates of Olympus Sweet Bonanza Sugar RushJILI
JILI is popular across Southeast Asia, particularly for fishing games, slots, and bingo. Their games are known for a simple interface and fast gameplay. Teen Patti and bingo variants are very well liked in Bangladesh.
Fortune Gems Money Coming Mega FishingEvolution Gaming
Evolution Gaming is the world leader in the live casino segment. Their live dealer tables are broadcast from professional studios. For the best experience in Baccarat, Blackjack, and Roulette, Evolution Gaming stands apart.
Live Baccarat Live RouletteSpribe
Spribe is the pioneer of the crash game segment. Their Aviator game has become the most popular crash game in the world. Simple mechanics and fast gameplay set this provider apart.
AviatorMicrogaming
Microgaming is one of the oldest and most established names in the online gaming industry. Their vast game library includes a large collection of slots, poker, and table games. Progressive jackpot slots are especially appealing.
Mega Moolah ThunderstruckOur Advantages
Fast Withdrawals
Get money directly to bKash, Nagad, or Rocket in just 10-45 minutes. The banking process is simple and transparent.
Secure Platform
Your information and funds are kept secure with SSL encryption and advanced cybersecurity.
24/7 Bangla Support
Bengali-language live chat support is available seven days a week, 24 hours a day.
Mobile Payments
Deposit from just ৳100 using familiar mobile wallets including bKash, Nagad, Rocket, and Upay.
Attractive Bonuses
A 150% welcome bonus for new members and weekly cashback for regular players.
Mobile-First Design
Both the Android app and mobile website deliver a smooth experience. Works reliably even on low data.
Regular Promotions
Special offers during Eid, Pohela Boishakh, and Victory Day. Extra bonuses and free bets are available during cricket season.
Fair Play
Random Number Generator (RNG) technology ensures that the outcome of every game is completely fair and random.
Loyalty and VIP Benefits
The more you play at 577b, the more rewards you earn. Weekly cashback and special benefits are available across four VIP tiers. Regular betting will automatically move you up to a higher tier.
Weekly cashback is credited directly to your account. No complicated conditions — just play and collect your rewards.
Weekly cashback up to. New members start at this tier. Regular betting moves you to the next tier.
Weekly cashback up to. Additional bonus offers and priority support are available.
Weekly cashback up to. Invitations to special events and higher withdrawal benefits.
Maximum weekly cashback. Dedicated account manager and exclusive offers.
Play anywhere with the Android App
Stuck in Dhaka traffic or out in the field — play anytime with the 577b Android app. The app runs smoothly on low data and deposits and withdrawals to bKash and Nagad can be done in just a few taps. Live cricket betting and real-time score updates are always at your fingertips.
Installation steps:
Only download the APK file from 577b's official website. Never install from links shared on Telegram or Facebook.
Go to Settings → Security → Unknown Sources (or Install Unknown Apps) and turn it on temporarily.
Tap the APK file in your Downloads folder and complete the installation.
Log in to your 577b account and start playing.
For your security, turn off the Unknown Sources option after installation is complete.
Android 7 or a newer version is required. Keep about 100 MB of free space available.
Log in and start playing
What Is RTP and House Edge?
RTP, or Return to Player, is a percentage that shows how much a game pays back on average per ৳100 wagered over the long run. For example, if a game's RTP is 96%, it theoretically returns an average of ৳96 for every ৳100 bet. Keep in mind, this is a mathematical average across millions of rounds — results in a single session can vary.
Typical RTP ranges by game type: slot games generally fall between 92–98%; Blackjack can reach around 99% when played with the correct strategy; Roulette (European) typically sits around 94–97%. These figures are general industry averages for each game type — they are not claims about any specific game.
House Edge is the flip side of RTP — the average percentage of each bet that the casino retains. If a game's RTP is 96%, the house edge is 4%. The lower the house edge, the more favorable the game is theoretically for the player. Table games generally offer a lower house edge than slots.
Why does knowing this matter? Having an understanding of a game's RTP before you place bets helps you play more consciously. Keep in mind — all gaming outcomes are controlled by an RNG and every round is independent. RTP is not a guarantee of winning.
Betting Terms — A Guide for Beginners
Below are some important terms commonly used in online betting and casinos, with plain-English explanations.
RTP (Return to Player)
Refers to the percentage of total bets a game returns to players over the long run. The higher the RTP, the more favorable it is theoretically for the player.
House Edge
The percentage of each bet the casino retains on average. It is essentially 100% minus the RTP.
Wager / Stake
The amount of money placed on each round or bet is called a Wager or Stake. Bonus terms usually specify a total wagering amount that must be met.
Odds
A mathematical expression of the probability of an event occurring. In betting, higher odds mean a greater potential payout but a lower chance of winning.
Parlay / Accumulator
Combining multiple bets together into one larger bet. All bets must win, but the total odds and potential payout are much higher.
Live Bet
A bet placed in real time while a match or game is in progress. Odds change continuously and quick decisions are required.
Cashout
The option to close a bet before it settles in order to lock in a certain payout. Used to reduce risk or secure a profit.
Bankroll
The total budget set aside for betting is called a Bankroll. Proper bankroll management is the key to playing over the long term.
Volatility
Refers to the variation in how often and how much a game pays out. High volatility means fewer but larger wins; low volatility means frequent smaller wins.
Free Spin
A chance to spin a slot game at no cost — typically received as part of a bonus offer or a special in-game feature. It is possible to win real money from free spins.
Wagering Requirement
Determines how many times the bonus amount must be bet before a withdrawal can be made. Example: a 15x wagering requirement means ৳15,000 must be wagered for a ৳1,000 bonus.
Spread
In sports betting, an artificial points difference added between two teams to balance the market. Spread betting gives you the opportunity to bet on the margin of victory, not just the outcome.
Bankroll Management Guide
Proper money management is essential to enjoying betting or casino games over the long term. The first step is setting a fixed budget — an amount whose loss would not affect your daily life.
Divide your total bankroll into smaller sessions. Spending no more than 10–20% of your total bankroll per session is a sensible approach. This way, one bad session will not wipe out your entire budget.
Keep each individual bet generally within 1–5% of your session bankroll. Following this rule makes it possible to play for longer and reduces the risk of large losses.
Sometimes it is right to stop after a win — especially if you have reached your session target. Similarly, stop for the day when you hit a set loss limit. The mindset of "I'll win it all back next round" can lead to significant losses.
Track your playing history. Knowing how many sessions you won, how many you lost, and your total spend will raise your awareness of your own playing patterns and help you make better decisions.
Join 577b Now
Start with a deposit of just ৳100 and receive up to a 150% bonus worth ৳20,000. Withdraw via bKash and Nagad in 10–45 minutes.
Open an AccountResponsible Gaming Tools
577b believes that betting is for entertainment only. We encourage all players to play consciously and responsibly. This platform is for players aged 21 and above only.
If you feel that gaming is getting out of your control, contact the support team. The option to temporarily or permanently deactivate your account is available.
Set daily, weekly, or monthly deposit limits. These limits can be set by you directly and take effect in a short time.
Once a set amount is lost, the account is automatically locked for a specified period. This tool helps keep financial losses contained.
Set a time limit for uninterrupted play. When the time limit is reached, a reminder is sent and the session can end automatically if needed.
You will be notified at regular intervals about how long you have been playing and how much you have spent. These reminders help you make conscious decisions.
Use our self-assessment quiz to become more aware of your gaming habits. It is free to use and your privacy is protected.
Need help? If you feel that gambling is causing problems for you or someone you know, please reach out via our 24/7 live chat support. For more information, visit the Responsible Gaming page.
Customer Support Channels
The 577b support team is available 24 hours a day, 7 days a week. Reach out easily whenever you need help.
24/7 Live Chat
Use live chat for the fastest support. You can communicate in Bengali and an experienced support representative will respond right away.
Best for: Urgent payment issues, account verification, technical problems.
Email Support
Send an email for detailed complaints or when you need to attach documents. Providing all the information at once leads to a faster resolution.
Contact: [email protected]
Best for: KYC document submission, account recovery, formal complaints.
In-App Messaging
Send a message directly to the support team from within the mobile app. Your account details are attached automatically, so you do not need to provide them repeatedly.
Best for: General questions, bonus information, game-related support.
Privacy Policy Notice
577b is fully committed to protecting your personal information. We use SSL encryption and your data is never sold to third parties. To learn more about our use of cookies and data collection, visit the Privacy Policy page.
Legal Notice
577b is an online platform that does not claim any specific government licence or regulatory approval. We believe in being fully transparent about our services.
Bangladesh's Public Gambling Act was enacted in 1867, long before online betting existed. As a result, the legal status of online gambling remains in a state of legal ambiguity.
Please be aware of your local laws before using our platform. Compliance with local laws is entirely the responsibility of the user.
This platform is for players aged 21 and above only. Account creation by minors is strictly prohibited.
More information is available on the Responsible Gaming page.