21tk Online Casino — Get a 100% Bonus on Your First Deposit, up to ৳8,000
21tk's special welcome offer for new members: get a full 100% bonus on your first deposit and enjoy cricket betting, live casino and slots.
Welcome Bonus — Special Offer for New Members
When you join 21tk, you get a 100% bonus on your first deposit — up to ৳8,000. It is added to your account automatically, no code required.
- Deposit ৳1,000 → ৳1,000 bonus → Total ৳2,000
- Deposit ৳18,000 → ৳8,000 bonus → Total ৳26,000
- Wagering: 20x the bonus amount (example: ৳1,000 bonus × 20 = ৳20,000 in bets)
- For users aged 21 and above only
How to Get Started
Start your gaming journey in just four steps
Sign Up
Go to the 21tk login page and create a new account. The process is quick and simple.
Make a Deposit
Deposit a minimum of ৳200 via bKash, Nagad or Rocket and receive your bonus instantly.
Play and Enjoy
Slots, live casino, cricket betting, fishing games — pick whatever you like.
Withdraw
Your winnings will be sent to your mobile wallet easily within 10–45 minutes.
Jackpot Games — Your Chance to Win Big
21tk offers a variety of jackpot games — each with the potential for a big prize
Progressive Jackpot Slots
A portion of every bet goes into the jackpot pool. The more players wager, the bigger the prize grows — and anyone can win it all on a lucky spin.
SlotsLive Casino Side-Bet Jackpot
While playing live blackjack or roulette, there is an extra side-bet with a chance to win a jackpot. Bonus prizes are triggered by special card combinations or numbers.
Live CasinoCrash Game Multiplier
In crash games like Aviator, the multiplier keeps rising. Cash out at the right moment and you can win a large multiplied prize.
CrashFishing Game Jackpot
In games like Cat Fishing, catching a special large fish triggers the jackpot. All players on the screen play together, and shooting the special boss fish splits the prize.
Fishing
BPL Betting Guide — For Cricket Fans
21tk is the go-to place to bet on Bangladesh Premier League (BPL) and Bangladesh Tigers matches. Bet on fast-paced T20 cricket and enjoy the excitement of every over.
Place a straight bet on which team will win.
Bet on who will score the most runs in the match.
Bet on whether the total runs in an innings will be above or below a set number.
Which team wins the toss — a simple and popular market.
Football Betting — Bet on the World's Top Leagues
Bet on your favourite leagues and tournaments at 21tk
Popular Leagues and Tournaments
- Premier League — The top tier of English football
- La Liga — Spain's top football league
- Champions League — Europe's premier club football competition
- World Cup Qualifiers — World Cup qualification matches
Note: many major matches kick off at night in Bangladesh Standard Time (BST) — live betting on 21tk stays open all night.
Common Markets
Bet on a home win, draw or away win — the most popular market in football betting.
Bet on two outcomes at once — a way to play with reduced risk.
Bet on whether the total number of goals in the match will be above or below a set line.
BTTS — bet on whether both teams will score at least one goal in the match.
The weaker team is given a goal head start to level the market between the two sides.
Markets update in real time during the match and you can place bets instantly.
Explore the 21tk Site
A quick look at what each section of our site has to offer
Cat Fishing
Hunt big fish in a multiplayer fishing game. Special weapons and boss fish jackpots can boost your winnings.
See MoreFortune Gems 2
JILI's popular Fortune Gems 2 slot game — win prizes by matching colourful gemstones.
See MoreCricket
Bet on BPL, IPL, T20 World Cup and international cricket. Enjoy live betting and a range of markets.
See MoreSlots
Hundreds of slot games from PG Soft, JILI and Pragmatic Play. Win free spins, bonus rounds and Megaways prizes.
See More21tk Casino
Live blackjack, baccarat, roulette and live show games. Experience real dealers from Evolution Gaming and Ezugi.
See MoreTop Game Providers — World-Class Experience
21tk features content from the world's leading game developers
PG Soft is known for Asia-focused slot games, particularly those with animal and cultural themes. Their Megaways and cluster pay mechanics are popular.
Notable Games: Mahjong Ways, Treasures of Aztec, Fortune Tiger, Lucky Neko
SlotsJILI is extremely popular in Bangladesh and Southeast Asia, particularly for fishing games and straightforward slots. Their games load quickly on mobile.
Notable Games: Fortune Gems 2, Money Coming, Super Ace, Mega Fishing
Slots & FishingPragmatic Play is one of the world's largest slot providers. Their live casino production studio also runs high-quality live dealer games.
Notable Games: Gates of Olympus, Sweet Bonanza, Sugar Rush
Slots & LiveSpribe has been a leader in the crash game category. Their games offer the thrill of winning large multipliers through a simple interface.
Notable Games: Aviator
Crash GamesEvolution is the world leader in live casino. They have set the industry standard for live blackjack, roulette, baccarat and innovative show-style games.
Speciality: Live dealer table games and game shows
Live CasinoMicrogaming is one of the oldest and most trusted developers in the online gaming industry. Their vast portfolio covers everything from classic slots to modern video poker.
Specialty: Classic slots, table games & poker
Slots & Tables21tk's Our Special Benefits
Why millions of Bangladeshi players trust 21tk
Fast Payments
Your withdrawal to bKash, Nagad or Rocket is completed within just 10-45 minutes.
Secure Platform
SSL encryption and fair play are ensured. Your personal information and money are completely secure.
Mobile-Friendly
Works smoothly on any smartphone or tablet — no app download needed.
Bangla Support
24/7 live chat and email support in Bangla and English — instant help for any issue.
Attractive Bonuses
From welcome bonuses to weekly cashback — regular players get extra benefits.
VIP Program
Enjoy weekly cashback and special benefits across 5 tiers from Bronze to Diamond.
Huge Game Library
Slots, live casino, sports betting, fishing games — all types of games on one platform.
Easy Deposit & Withdrawal
bKash, Nagad, Rocket — transact securely with Bangladesh's most popular mobile wallets.
Payment Methods — Fast & Secure Transactions
At 21tk, you can deposit and withdraw using three popular mobile payment methods in Bangladesh. Minimum deposit is ৳200 and minimum withdrawal is ৳1,000.
| Method | Best For | How to Deposit | Fee |
|---|---|---|---|
| bKash | Those who use the country's most popular mobile banking | Log in to account → Deposit section → Send to bKash number | No extra fee |
| Nagad | Users of the postal department's digital wallet | Log in to account → Deposit section → Send to Nagad number | No extra fee |
| Rocket | Dutch-Bangla Bank mobile wallet customers | Log in to account → Deposit section → Send to Rocket number | No extra fee |
Typical withdrawal time: 10-45 minutes. Minimum withdrawal: ৳1,000.
Cashback & Rebate — Rewards Every Week
Get weekly cashback based on your 21tk VIP tier
Weekly Cashback
Weekly Cashback
Weekly Cashback
Weekly Cashback
Weekly Cashback
Cashback Terms & Conditions
- Every Monday, the previous week's cashback is credited to your account.
- Cashback applies only to net losses — not on winnings.
- Cashback is received directly as cash — no additional wagering requirements.
Loyalty Program — Play More, Get More
21tk's VIP program has five tiers — starting from Bronze up to Diamond. The more you play, the faster you move up and the more benefits you receive.
You earn points on every bet. As these points accumulate, you get the opportunity to advance to the next tier. At higher tiers, your weekly cashback rate increases, you get access to special promotions, and you receive personalized support.
- Bronze: Up to 0.2% weekly cashback
- Silver: Up to 0.5% weekly cashback
- Gold: Up to 0.7% weekly cashback
- Platinum: Up to 1.0% weekly cashback
- Diamond: Up to 1.2% weekly cashback + special benefits
RTP and House Edge Explained
RTP (Return to Player) is a statistic that shows what percentage of total bets a game returns to players over the long term. For example, if a slot's RTP is 96%, theoretically players get back an average of ৳96 for every ৳100 wagered — but this is the average result across millions of spins, not a guarantee for a single session.
The typical RTP range varies across different game types: slot games are generally 92-98%, blackjack is around 99% (when using correct strategy), and roulette is around 94-97% (depending on European vs American format). Live casino games generally offer higher RTP compared to slots.
House edge is the flip side of RTP — it is the casino's average advantage. If RTP is 96%, the house edge is 4%. This number may seem small, but at high volumes it makes a significant difference. So it is wise to have an understanding of a game's RTP before playing it.
Volatility, or the degree of variance, also matters: high-volatility games pay out less frequently but with larger rewards, while low-volatility games pay out more often but with smaller rewards. Choose the right game based on your bankroll and preference.
⚠️ Beware of Fake Sites & Fraud
Protect yourself from online scams
Always confirm the correct domain (21tk.lat) and HTTPS in your browser. Look for the padlock icon in the address bar. Any other domain or differently spelled site may be a fake.
Do not share your bKash, Nagad or Rocket PIN and any OTP with anyone — even if someone claims to be a support agent. Official support will never ask for your PIN or password.
The official 21tk support team will never ask for your password or login details. If you receive such a request, treat it as a fraud attempt.
Do not trust anyone on social media who introduces themselves as an "agent" and offers special bonuses or deals. These may be fraudulent groups who could steal your money.
If you are suspicious, immediately change your 21tk account password and contact us via live chat or at [email protected]. Taking quick action can help reduce losses.
24/7 Support — Always by Your Side
Get help in Bangla and English for any issue
Live Chat
Connect directly via live chat on the site. The fastest way to get a response.
Email Support
For detailed issues, email us at: [email protected]
What can you get help with?
- Account creation, verification & management
- Deposit & withdrawal issues
- Bonus & promotion queries
- Game technical issues
- Account security & verification
- Service available in both Bangla and English
Betting Glossary — A Dictionary for Beginners
Learn the key terms of online casino and betting in plain English
RTP (Return to Player)
A statistic showing what percentage of total bets a game returns to players over the long term. It is expressed as a percentage.
House Edge
The casino's long-term average advantage — the flip side of RTP. If RTP is 96%, the house edge is 4%.
Wager
The amount of a bet placed on a game. Wagering requirement means how much money must be wagered before a bonus can be cashed out.
Stake
The amount of money you are risking on each bet. Increasing your stake raises both your potential winnings and potential losses.
Odds
Expresses the probability of an event occurring and the multiplier on a bet. Higher odds mean higher risk but higher potential reward.
Parlay / Accumulator
Combining multiple bets into one larger bet. If all bets succeed, you receive a multiplied reward, but the risk is also higher.
Live Bet
A bet placed in real time while a match or game is in progress. Odds change from moment to moment.
Cashout
The option to cash in your active bet before the match ends. You receive less than the full reward but secure a guaranteed return.
Bankroll
The total amount of money set aside specifically for betting or gaming. Careful bankroll management is the key to enjoying gaming over the long term.
Volatility
The degree of variance in a game's payouts. High volatility means larger but less frequent rewards; low volatility means smaller but more frequent rewards.
Free Spins
The opportunity for additional spins at no cost in a slot game, usually given as a bonus feature or promotion.
Wagering Requirement
The condition specifying how many times a bonus amount must be wagered before it can be cashed out. At 21tk, 20x the bonus applies on the bonus amount only.
Join 21tk today and win up to ৳8,000 in bonuses
100% bonus on your first deposit — start with just ৳200 via bKash, Nagad or Rocket. For ages 21+ only.
Open an Account NowCommon FAQs
Answers to the most frequently asked questions by Bangladeshi players
The Live Casino Experience at 21tk
In 21tk's live casino section, you get the feel of playing directly with a real dealer. Play blackjack, baccarat, roulette and Teen Patti at live tables operated from Evolution Gaming and Ezugi studios.
From Dhaka or anywhere in the country, experience facing a professional dealer right from your mobile. HD video streaming and Bangla chat make this experience even more enjoyable.
Play Live Casino
Slots — Hundreds of Games on One Platform
Enjoy the best slot games from PG Soft, JILI, and Pragmatic Play
Free Spins · Bonus Rounds · Megaways Jackpot
The slots section at 21tk features a huge collection of games from the world's top providers. PG Soft's Mahjong Ways and Treasures of Aztec, JILI's Fortune Gems 2 and Money Coming, and Pragmatic Play's Gates of Olympus and Sweet Bonanza — all in one place.
From classic three-reel slots to modern Megaways games, every type of slot is available. Bonus Buy features, free spins, cascading reels, and multipliers — every spin brings a fresh thrill.
- Smooth gameplay on mobile
- A variety of themes and volatility levels
- New games added regularly