gt99b Betting Site — Experience the fastest deposits and withdrawals to your mobile wallet
Deposit as little as ৳100 via bKash, Nagad, or Rocket, enjoy everything from cricket betting to live casino, and get started with a 150% welcome bonus.
About Us
gt99b was built with Bangladeshi players in mind. Our goal is simple — to create a platform where you can play in your own language, use your own mobile wallet, and receive your winnings quickly.
From Dhaka to every corner of the country, thousands of our members enjoy cricket betting, live casino, slots, and fishing games every day. We believe online gaming should be transparent, safe, and accessible to everyone.
Our commitment: instant deposits via bKash, Nagad, and Rocket, withdrawals within 10 to 45 minutes, and 24-hour live chat support in Bangla. gt99b is more than just a casino — it is the trusted home of Bangladesh's gaming community.
Why Choose gt99b
Fast Withdrawals
When you win, your money goes directly to your bKash or Nagad account in just 10-45 minutes.
10-45 minutesStrong Security
Your account and transactions are protected with SSL encryption and two-factor authentication.
SSL SecuredCricket Betting
Place live bets on all major cricket events including BPL, IPL, and T20 World Cup at competitive odds.
Live OddsBangla Support
24/7 live chat support in Bangla — get instant help in your own language whenever you need it.
24/7 Live ChatGenerous Bonuses
150% bonus on your first deposit up to ৳10,000 — with just a 20x wagering requirement.
150% BonusMobile Wallet
bKash, Nagad, Rocket, and bank transfer — deposit and withdraw whichever way suits you.
4 MethodsVariety of Games
Slots, live casino, fishing, bingo, card games — all types of games on one platform.
All Games HereVIP Program
From Bronze to Diamond — 5 tiers with weekly cashback, exclusive perks, and a personal manager.
5 TiersGet a 150% Welcome Bonus — up to ৳10,000
Make your first deposit and receive a 150% bonus on your amount. Just a 20x wagering requirement. Starting from ৳100 via bKash, Nagad, or Rocket.
Open an Account NowFast Deposits via bKash and Nagad
More than 60% of people in Bangladesh use a mobile wallet but do not have a bank account — so gt99b supports your phone directly as your wallet.
bKash
Bangladesh's largest mobile banking service
Processing: Instant
Limit: ৳100 – ৳50,000
Steps: Only 3
Nagad
Government-backed digital financial service
Processing: Instant
Limit: ৳100 – ৳50,000
Steps: Only 3
Rocket
Dutch-Bangla Bank's mobile service
Processing: Instant
Limit: ৳100 – ৳50,000
Steps: Only 3
Bank Transfer
Including BRAC, Islami, City, Sonali Bank and more
Processing: Within a few hours
Limit: ৳100 – ৳50,000
Steps: Varies by bank
Deposit in 3 Steps
- Log in — Access your gt99b account.
- Choose a method — Select bKash, Nagad, or Rocket and enter the amount.
- Confirm — Enter your PIN on your phone — your balance will be credited instantly.
The minimum withdrawal amount is ৳1,000. Processing is usually completed within 10 to 45 minutes.
Deposit NowTop Game Providers
gt99b works with the world's leading game developers. Every provider's games are fair and independently tested.
A world-class provider of slots and live casino games. Known for high-quality graphics and exciting features. A leader especially in bonus buy and multiplier systems.
An Asia-focused slot provider specializing in mobile-first design. Popular for Asian culture-inspired themes and smooth animations.
A provider skilled in fishing games, slots, and card games. Extremely popular in Southeast Asia and Bangladesh for its simple and enjoyable gameplay.
The undisputed leader in live casino. Delivers a world-class experience with professional dealers in live roulette, blackjack, baccarat, and game show formats.
A pioneer of the crash game genre. Simple rules, fast pace, and a social gaming experience make it a favorite among younger players.
One of the earliest online casino providers. World-renowned for its vast game portfolio and progressive jackpot network.
Fishing and Arcade Games
In fishing games, you control a cannon that shoots at fish swimming across the screen. Each shot has a cost (bet), and when a fish is caught, you earn a reward based on its value. Small fish give smaller rewards, while large fish and boss fish give bigger ones.
Cannon Level: Increasing the cannon's power (and cost) makes it easier to catch larger fish. The advice for beginners is to start at a lower level and get a feel for the gameplay.
Boss Fish Strategy: When a boss fish appears, many players attack it at the same time. Keep track of your shot costs though — consider whether the reward for catching the boss fish is worth more than what you spent on shots.
Fishing Game
Shoot and catch various types of fish on screen — from small ones to massive boss fish. JILI's Mega Fishing and Happy Fishing are popular choices.
Tip: Balance your shot level and cost.
Crash Game
A multiplier keeps rising — cash out before it crashes. The longer you wait, the more you can win, but the risk grows too.
Tip: Set an auto cash-out to secure a guaranteed profit.
Mines Game
Open safe tiles on a grid while avoiding hidden mines. The multiplier increases with each successful move — knowing when to stop is the real strategy.
Tip: Start with fewer mines.
Arcade Lottery
Fast-paced instant-win games — bingo, keno, and lucky number-style games where results are immediate. Ideal for light entertainment.
Tip: Place smaller bets to play longer.
Local Card Games
Teen Patti
In this three-card game, each player receives 3 cards and the best hand wins. Just like poker, there are options to bet and fold.
Tip: Play blind first — it costs less to bet.
Type: Against other players.
Andar Bahar
A card is cut and then cards from the remaining deck are placed alternately into the Andar (inside) and Bahar (outside) boxes. Bet on which box will receive a matching card first.
Tip: Bet on Andar first — statistically it has a slight advantage.
Type: Against a live dealer.
Callbreak
A trick-taking card game for 4 players. At the start of each round, you must win exactly as many tricks as you bid. Spades are always trump.
Tip: Count the Aces and Kings in your hand before bidding.
Type: Against other players.
Ludo Quick
A digital version of the familiar Ludo board game. Up to four players can join in a quick match format, and points are earned by getting pieces home.
Tip: Take advantage of opportunities to attack.
Type: Against other players.
RTP and House Edge Explained
RTP (Return to Player) is the theoretical long-term return rate of a game. For example, if a slot game has an RTP of 96%, it theoretically pays back an average of ৳96 for every ৳100 wagered. Keep in mind, this is an average across millions of spins — results in a single session can vary greatly.
Typical RTP ranges by game type: Slot games generally fall between 92% and 98%, with high-volatility games having an even wider range. Blackjack can approach around 99% RTP when played with the correct strategy. For roulette, European single-zero versions typically sit at 94%-97%, while American double-zero versions are somewhat lower.
House Edge is the flip side of RTP — the casino's mathematical advantage. If a game has an RTP of 96%, the house edge is 4%. This does not mean you will lose 4% in every session — it is a long-term average. Significant wins in the short term are entirely possible.
Why is it important to understand RTP before you play? Because it helps you plan your budget. Placing large bets over long sessions on games with a high house edge carries more risk. On the other hand, applying strategy in games with a lower house edge gives a better chance of extending your session. An informed player always makes decisions with comparative information in hand.
| Game Type | Typical RTP | House Edge |
|---|---|---|
| Slots | 92% – 98% | 2% – 8% |
| Blackjack | ~99% | ~1% |
| European Roulette | 94% – 97% | 2.7% |
| Baccarat | ~98.9% | ~1.1% |
| Crash Game | 95% – 97% | 3% – 5% |
| Fishing Game | 93% – 96% | 4% – 7% |
* The ranges above are theoretical averages — the specific value for each game may vary.
How to Read Odds
Online betting uses three types of odds formats: decimal, fractional, and American. Most platforms in Bangladesh use decimal odds — and they are the easiest to understand.
Say the odds for Bangladesh Tigers are 1.80. If you place a ৳500 bet:
৳500 × 1.80 = ৳900
That means the total return is ৳900 — of which ৳500 is your original stake and ৳400 is profit.
Implied Probability: Odds make it easy to see what probability a bookmaker assigns to an event. Formula: 1 ÷ Odds × 100. At odds of 1.80: 1 ÷ 1.80 = 55.6% — meaning the bookmaker considers the chance of this outcome to be around 56%.
| Format | Example | How to Read |
|---|---|---|
| Decimal | 1.80 | Bet × Odds = Total Return |
| Fractional | 4/5 | ৳4 profit on a ৳5 bet |
| American (Minus) | -125 | ৳100 profit on a ৳125 bet |
| American (Plus) | +180 | ৳180 profit on a ৳100 bet |
At gt99b, all betting odds are shown in decimal format — the most transparent method.
Security & Trust
SSL Encryption
All your transactions and personal information are protected with 256-bit SSL encryption.
Fair Play
All games use a Random Number Generator (RNG) that is independently tested.
Account Protection
Keep your account secure with two-factor authentication and unusual login alerts.
Funds Segregation
Your deposited funds are kept completely separate from our operational funds.
Bengali-Language 24/7 Support
Every member of our support team at gt99b speaks Bengali. Whenever you reach out — morning, afternoon, or late at night — you will always get skilled help in your mother tongue. No need to translate or explain yourself in a foreign language.
Live Chat
Click the live chat button on the website — a Bengali-speaking agent will respond right away.
Email Support
For detailed questions or issues, email us:
[email protected]
Deposit & withdrawal issues resolved in Bengali
Questions about bonuses & promotions
Account verification assistance
Responsible gaming advice & tools
Refer a Friend
Share Your Referral Link
Get your personal referral link from your account and share it with friends or family.
Friend Registers & Deposits
Your friend uses your link to create an account and makes their first deposit.
Both of You Get Rewarded
You will receive a ৳300 bonus, and your friend will also receive a welcome bonus.
- Two accounts for the same person are not allowed (you cannot refer yourself).
- Only one account per device or IP address will be counted.
- The referred friend must make a minimum first deposit of ৳100.
- The bonus amount can be withdrawn after the wagering requirements are met.
Bankroll Management Guide
The most important part of responsible gaming is budget management. Deciding in advance how much you can afford to lose keeps gaming enjoyable and prevents financial stress.
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Set a monthly gaming budget. Only use money that, if lost, will not affect your daily life — never take from your bills, food, or savings.
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Divide it into sessions. Split your total budget into smaller sessions. For example, if your monthly budget is ৳2,000, set ৳500 per week and ৳150-200 per session.
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The 1-5% per bet rule. Use between 1% and a maximum of 5% of your session budget on a single bet. Large bets end sessions quickly and reduce the chance to make strategic decisions.
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Stop after a win. End the session once you reach your profit target. The mindset of "just one more" often gives back money already won.
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Respect your loss limit and stop. When your session budget is gone, stop for the day. Placing larger bets to recover losses — "chasing losses" — is the most dangerous habit.
Track your gaming history — how much you have won, how much you have lost, how long you have played. This information will make you more aware of your own gaming patterns.
- Maximum per bet: 5% of session budget
- Win target: 30-50% of session budget
- Stop-loss limit: 100% of session budget
- Take a break: at least 10 minutes every hour
- Never play with borrowed money
Responsible Gaming Tools
gt99b believes that having the right tools and support is essential to ensuring enjoyable gaming. We care about the wellbeing of all our players.
Deposit Limits
Set daily, weekly, or monthly deposit limits. Once the limit is reached, no further deposits can be made.
Loss Limits
When a set amount is lost, the session will automatically end. Your budget stays protected.
Session Time Limits
Set a maximum session duration. When the time is up, you will receive a reality-check notification.
Reality Check Reminders
At regular intervals, your play time and spending will be shown — so you can make informed decisions.
Self-Exclusion
You can close your account for a set period or permanently. Contact the support team to do so.
Self-Assessment Quiz
Use our questionnaire to check how much gaming is affecting your life.
Privacy Policy
gt99b places the highest importance on protecting your personal information. We only collect the information necessary to operate the service and never sell it to third parties. Your data is protected with SSL encryption, and you can request to review or delete your information at any time.
Go here to read our full Privacy Policy. Details on our cookie policy and data usage are also available there.
Start Today — Get Up to ৳10,000 in Bonuses
Start with just ৳100, make an instant deposit via bKash or Nagad, and enjoy cricket betting and live casino with a 150% bonus.
For ages 21 and above only. Play responsibly.