ci666 Online Casino — Win massive jackpots on slots and enjoy the best gaming experience in Bangladesh
Start with just ৳100 via bKash or Nagad. Live casino, cricket betting, poker and hundreds of slot games — all in one place, fully in Bengali.
Welcome Bonus Offer
Up to 120% bonus on your first deposit
- 120% match bonus on your first deposit
- Maximum bonus: up to ৳10,000
- Wagering requirement: only 15x
- Minimum deposit: ৳100
- Applies to bKash, Nagad, Rocket and bank transfer
- For players aged 21 and over only
Why choose ci666?
Millions of players in Bangladesh choose ci666 every day — the reason is simple.
Fast Withdrawals
Your winnings are delivered directly to bKash or Nagad within 5 to 30 minutes.
Secure platform
Your account and personal information are protected by SSL encryption and advanced cybersecurity.
VIP rewards
Enjoy weekly cashback and exclusive benefits across four tiers from Bronze to Platinum.
24/7 Bengali Support
Get support in Bengali via live chat at any time, day or night.
Easy Payments
Deposit and withdraw seamlessly via bKash, Nagad, Rocket and bank transfer.
Large Game Collection
Slots, live casino, cricket, football, poker — all types of games on one platform.
Live sports betting
BPL, IPL, T20 World Cup — place bets at real-time odds while the match is in progress.
Fishing and arcade
Mega Fishing, Ocean King Jackpot and many more fun arcade games are available.
Types of slot games
ci666 offers many types of slot games. Find out which type suits you best.
Classic slots
Traditional three-reel slots. Microgaming's classic games are the defining titles in this category — simple rules and fast rounds.
Video slots
Modern five-reel slots with rich animations and bonus features. Pragmatic Play's Gates of Olympus is a prime example.
Jackpot slots
In progressive jackpot slots the prize keeps growing. NetEnt is a pioneer in this type of game.
Megaways slots
The reels change size on every spin, creating thousands of ways to win. PG Soft's Mahjong Ways is a popular title in this category.
Cascading reels
When winning symbols are removed, new symbols drop in — giving you the chance to win multiple times from a single spin. Pragmatic Play's Sweet Bonanza is a prime example.
Cluster pays
Instead of fixed paylines, prizes are awarded when a cluster of matching symbols forms. NetEnt popularised this mechanic.
Crash games — fast-paced thrills
Crash games are among the fastest-paced experiences in online casinos. ci666 offers Aviator and several other crash games.
In each round a multiplier starts rising from zero. You must cash out before the plane flies away — the higher the multiplier climbs, the greater the risk.
How to play:
- Set your bet amount before the round begins.
- The multiplier keeps rising — press the cash out button when it reaches your target.
- If you do not cash out before the crash, you lose your entire bet.
- Use the auto cash out feature to set your target multiplier in advance.
Warning: Always set a stop limit before you start playing. Crash game outcomes are completely random — no 'signal' or 'prediction' software works, and such tools are a scam.
Steps to get started
Begin your journey at ci666 in just a few steps.
Create an account
Go to the ci666 Login page and open a new account with your mobile number and password. The whole process takes just one minute.
Verification
Upload a photo of your National ID card or passport. Verification is usually completed within 1 to 24 hours.
First deposit
Deposit a minimum of ৳100 via bKash, Nagad, Rocket or bank transfer. Transactions are completed instantly.
Claim your welcome bonus
A 120% bonus is added automatically with your first deposit, up to a maximum of ৳10,000. No promo code is needed to activate the bonus.
First game
Slots, cricket betting or live casino — choose your preferred game and start playing.
Withdrawal
Withdraw a minimum of ৳1,000. It will usually arrive in your bKash or Nagad account within 5 to 30 minutes.
VIP membership plan
The more you play in the ci666 VIP programme, the more rewards you earn. Enjoy weekly cashback and exclusive benefits across four tiers.
weekly cashback. New members begin their journey at this tier.
weekly cashback. You can move up to this tier through regular play.
weekly cashback. Special offers and priority support for experienced players.
weekly cashback. An exclusive dedicated account manager and the highest level of benefits.
Payment methods and processing times
ci666 supports all popular payment methods in Bangladesh. The minimum deposit is ৳100 and the minimum withdrawal is ৳1,000.
| Method | Minimum Deposit | Processing time | Notes |
|---|---|---|---|
| bKash | ৳100 | Instant | Most popular |
| Nagad | ৳100 | Instant | Fast and reliable |
| Rocket | ৳100 | Instant | Dutch-Bangla Bank |
| Upay | ৳100 | Instant | For UCB users |
| Dutch-Bangla Bank | ৳100 | 1 to 24 hours | Bank Transfer |
| City Bank | ৳100 | 1 to 24 hours | Bank Transfer |
| BRAC Bank | ৳100 | 1 to 24 hours | Bank Transfer |
* Standard withdrawal time is 5 to 30 minutes. Bank transfers may take longer.
Bankroll management guide
Proper money management is essential for enjoying online casino play over the long term. This is not a winning strategy — it is a practical method for managing your entertainment budget.
Start by setting a monthly gaming budget that, if lost, will not affect your daily life. Divide this budget into weekly or daily sessions. For example, if your monthly budget is ৳3,000, set ৳750 per week and do not spend more than that.
Do not place more than 1 to 5% of your total bankroll on any single bet. This rule prevents small losses from turning into a major setback. For instance, if you have ৳2,000, each bet should be between ৳20 and ৳100.
Set a clear winning target. If you sit down with ৳500 and it grows to ৳800, consider ending the session. Overconfidence during a winning streak can be dangerous.
In the same way, set a loss limit. If you lose 50% of the amount set aside for a session, stop and start fresh the next day. Keep a record of every session — wins, losses and time spent playing. This information will give you a realistic picture of your habits.
Account verification process
KYC (Know Your Customer) verification ensures the security of your account and prevents fraud. It is a legal requirement that applies to all reliable platforms.
Required documents
- National ID card (NID)
- Passport (as an alternative)
- Proof of address
- Selfie verification
Processing time
Usually completed within 1 to 24 hours. You will receive a notification by email or SMS once verification is done.
After verification is complete
Once verification is complete, your withdrawal limit increases, you become eligible to participate in VIP tiers, and your account remains fully secure.
Android app — play from anywhere
Stuck in Dhaka traffic or relaxing at home — play anytime with the ci666 app. The app is data-friendly, bKash and Nagad deposits are completed in just a few seconds, and you can do live cricket betting on the go.
Installation steps:
- Download the APK file only from the official ci666 website.
- Go to Android settings and temporarily enable the "Unknown sources" or "Install unknown apps" option.
- Open the downloaded APK file and install it.
- Log in to your ci666 account.
- For security, turn the Unknown sources setting back off again.
Minimum requirements: Android 7.0 or higher, approximately 100 MB free space.
Warning: Do not install APK files from Telegram, Facebook, or any other third-party links — these may be fake and dangerous.
Beware of fake sites and fraud
There are many fake casino sites online that copy the name and design of real brands. Follow the checklist below.
Always verify the official site address — check for the correct domain and the HTTPS (🔒) icon in your browser.
Never share your OTP, bKash/Nagad PIN, or password with anyone — even if they claim to be ci666 support.
The official ci666 support team will never ask for your password or PIN.
Be cautious of people who contact you as 'agents' on Telegram or Facebook — they are often scammers.
If you suspect you have been a victim of fraud: change your password immediately and contact ci666 support via live chat.
Download APK files only from the official website — never from third-party links.
Join now and get a bonus of up to ৳10,000
Start with just ৳100 deposited via bKash, Nagad, or Rocket. A 120% welcome bonus is waiting for you.
Register at ci666Customer Support Channels
The ci666 support team is available in Bengali 7 days a week, 24 hours a day.
Live Chat
Use live chat for the fastest resolution. It is the most effective option for deposit/withdrawal queries, game-related questions, and any urgent issues. Speak directly in Bengali.
Available 24/7Email Support
Use email for detailed complaints, KYC-related questions, or document submissions. Support email: [email protected]
For detailed issuesIn-App Messaging
Send a message directly to support from within the ci666 app. Since your account history is linked automatically, issues are resolved faster.
For app usersBetting Terms & Glossary
Simple explanations of common betting and casino 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. Example: 96% RTP means an average return of ৳96 for every ৳100 wagered.
House Edge
The casino's mathematical advantage. If the RTP is 96%, the House Edge is 4% — meaning over the long term the casino keeps an average of ৳4 per ৳100.
Wager / Wagering
The condition specifying how many times you must bet bonus money before withdrawing it. Example: 15x wagering means you must place ৳15,000 in bets for a ৳1,000 bonus.
Odds
In sports betting, odds express the probability of a specific outcome. Higher odds mean lower probability but a larger potential payout.
Live Bet
The ability to place bets in real time while a match is in progress. For example, betting at the moment odds change during the second innings of a BPL or IPL match.
Cashout
The option to close a bet before it is settled in order to secure a partial win or reduce a partial loss. Applies to both crash games and sports betting.
Bankroll
The total amount of money set aside specifically for gaming. Proper bankroll management allows you to play sustainably over the long term.
Volatility
The level of risk in a slot game. High volatility means less frequent but larger rewards; low volatility means frequent but smaller rewards.
Free Spin
Extra spins in a slot game given as a bonus. Winnings from free spins are generally subject to wagering requirements.
Parlay / Accumulator
Combining multiple bets into a single bet — winning every match multiplies the payout, but losing just one means the entire bet is lost.
Spread
A handicap given to even out the difference in strength between two teams. Example: the weaker team starts with a +3 run advantage for betting purposes.
Stake
The amount of money placed on a specific bet. The higher the stake, the greater both the potential win and the potential loss.
About Us
ci666 is a platform built with Bangladesh's online gaming community in mind. Our goal was to provide Bangladeshi players with a safe, fast, and fully Bengali-language gaming experience. By combining international-standard technology with local understanding, we have built a platform that fits the reality of Bangladesh.
We believe entertainment should be accessible and secure. That is why local payment methods like bKash and Nagad, fully Bengali support, and transparent bonus terms are our core commitments. Our game portfolio includes titles from leading global software providers such as PG Soft, Pragmatic Play, JILI, and Spribe.
Fair play is not just a word for us — every game is independently tested and secured with SSL encryption. We believe in responsible gaming and encourage every user to enjoy themselves safely and within their limits.
Responsible Gaming
Budget Limits
Set daily, weekly, or monthly deposit limits in your account settings.
Time Limits
Decide in advance how long you will play. Set an alarm and take a break at the scheduled time.
Self-Exclusion
If needed, contact support to temporarily close your account for a specific period.
Age Restriction
ci666 is for users aged 21 and above only. We strictly prohibit gaming by minors.
Privacy Policy
ci666 places the highest priority on protecting your personal information. We collect your name, mobile number, and payment details solely for account management and financial transactions. We do not sell or share your information with any third party. Read our full Privacy Policy.