3666 det colorful slots and casino environment
For players aged 21 and over

Play slot games at 3666 det — a chance to hit the jackpot on every spin

Thousands of slots, live casino tables and cricket betting — all in one place. Deposit and withdraw in minutes via bKash, Nagad, Rocket and bank transfer.

200% first deposit bonus
5–30 minutes withdrawal
24/7 live support
Starting from ৳500

Explore the sections of the site

What you will find at 3666 det — a brief introduction to each section.

Wallet

Check your account balance, make a deposit and send withdrawal requests — all on one page. All methods including bKash and Nagad are available here.

View wallet and payment methods

Super Bingo

Play multiple bingo variants including Super Bingo by JILI. Every round is fast, card-based and offers the chance to win big prizes.

Learn about Super Bingo games

Cricket

Bet on BPL, IPL, T20 World Cup and all major tournaments. Get a wide range of odds from match winner and over totals to in-play markets.

Read the cricket betting guide

Slots

Hundreds of slots from top studios including PG Soft, Pragmatic Play and JILI — from Mahjong Ways to Gates of Olympus, across all volatility levels and themes.

View the full slots collection

3666 det Casino

Play Baccarat, Roulette and Teen Patti at live dealer tables from Evolution, Ezugi and Pragmatic Play Live — with real dealers via live streaming.

View the live casino games list

Why choose 3666 det

Speed, security and local convenience — four reasons why millions of Bangladeshi players trust us.

Fast withdrawals

After approval, your money reaches your bKash or Nagad in just 5 to 30 minutes.

SSL encryption

Every piece of data in your account and transactions is end-to-end encrypted — no access for third parties.

High RTP Slots

A verified collection of high RTP games including Fortune Mouse (highest RTP 96.96%), Mahjong Ways 2 (96.95%), and more.

24/7 Support

Round-the-clock live chat and email support in Bengali and English — we are here for any issue you have.

Local Payments

bKash, Nagad, Rocket, and local bank transfer — all popular payment methods in Bangladesh are supported.

Mobile App

Android APK and iOS — the app is available on both platforms through official channels.

Multiple Sports Markets

Pre-match and live betting markets across cricket, football, and more — in-play odds update instantly.

Regular Bonus Offers

200% bonus on first deposit (up to ৳10,000) — rewards for regular players including VIP cashback are available.

3666 det VIP Loyalty Program and Rewards

VIP Loyalty Program

Play more at 3666 det, get more back — through weekly cashback. Cashback is given each week based on net losses.

Bronze
0.2%
Weekly Cashback
Silver
0.4%
Weekly Cashback
Gold
0.6%
Weekly Cashback
Platinum
0.8%
Weekly Cashback

The journey starts at Bronze. The more you play, the faster you move up — through Silver, Gold, Platinum, and all the way to Diamond. Each week, cashback on net losses is added directly to your account. Example: as a Gold member, if your net loss in a week is ৳20,000, you receive ৳20,000 × 0.6% = ৳120 cashback.

See all VIP membership benefits and tier details

Payment Methods

Deposit and withdraw easily using all popular methods in Bangladesh.

Withdrawals are always sent to an account in your own name.
Method Deposit Withdraw Minimum Amount Withdrawal Time
bKash ✓ ✓ Deposit ৳500 / Withdraw ৳500 5–30 minutes
Nagad ✓ ✓ Deposit ৳500 / Withdraw ৳500 5–30 minutes
Rocket ✓ ✓ Deposit ৳500 / Withdraw ৳500 5–30 minutes
Bank Transfer ✓ ✓ Deposit ৳500 / Withdraw ৳500 5–30 minutes
3666 det deposit and withdrawal via bKash, Nagad, Rocket

Know before your first deposit

Following these six points from the start will make the experience smoother.

Read the bonus terms first: 3666 det's welcome bonus is 200% (up to ৳10,000) — you must wager the bonus amount 20 times before withdrawing it. Read the terms and conditions carefully before claiming.

Make sure you meet the minimum deposit: The minimum deposit for any method is ৳500 — amounts below this will not be processed.

Use an account in your own name: Whether you use bKash, Nagad, or a bank, the payment account must be registered in your own name.

Complete KYC verification early: Complete identity verification (KYC) right after opening your account — your first withdrawal will then go through without delay.

Set a deposit limit: As part of responsible gambling, set a weekly or monthly deposit limit that matches your budget.

Remember the minimum withdrawal: The minimum withdrawal for any method is ৳500 — requests below this amount cannot be made.

Popular game types

From slots to live casino — a brief introduction to each type of game.

3666 det video slot game reels and bonus features
Slots

Video Slots

Spin the reels and win via paylines or ways-to-win. Hundreds of options including PG Soft's Fortune Tiger and Pragmatic Play's Gates of Olympus.

3666 det live casino baccarat roulette table
Live Casino

Live Dealer Games

Baccarat, roulette, and Teen Patti with real dealers from Evolution and Ezugi — live streamed, on any device.

3666 det fishing shooting game
Fishing

Fishing / Shooting Games

Aim and shoot at fish swimming across the screen — JILI's Mega Fishing and Spadegaming's Fishing God are popular. Bigger fish give bigger rewards.

3666 det bingo game card and numbers
Bingo

Bingo Games

Multiple variants including JILI's Super Bingo and Fortune Bingo — match numbers on your card, quick rounds, with the chance to win big from a shared pool.

Start now — claim the 200% bonus

Deposit ৳1,000 and get a ৳2,000 bonus — total balance ৳3,000. Bonus wager: ৳2,000 × 20 = ৳40,000. See terms.

3666 det Login — Open an account

Crash & instant games

Each round lasts just a few seconds — a multiplier keeps rising, and you choose when to cash out.

When a crash game round starts, the multiplier rises from 1×. Pressing the cash out button at any point multiplies your bet by that multiplier and returns the amount. But if the game crashes before you cash out, your entire bet is lost. You can set auto cash out — it will exit automatically at a chosen multiplier.

Every round is completely random — no strategy guarantees a result. Set a budget before you play. For players aged 21+.

Aviator

Spribe's classic crash game. A plane flies upward as the multiplier rises — if you don't cash out in time, your bet is lost. Maximum RTP 97%.

Mines picking game

Select and open cells on a grid — avoid the mines, and the more cells you open, the higher the multiplier climbs. You can cash out at any time.

Plinko drop game

Drop a ball from the top and watch it fall through pegs into various multiplier slots. Choose your risk level.

Bonus terms explained

Understand these terms before claiming any online casino bonus.

Wagering / Rollover

Before withdrawing from a bonus, you must place bets with that bonus amount a set number of times — this is wagering. Example: deposit ৳1,000, receive a ৳2,000 bonus, balance ৳3,000 — bonus wager: ৳2,000 × 20 = ৳40,000 must be wagered before the bonus becomes withdrawable.

Maximum Bet During Bonus

Placing a bet above a certain limit while a bonus is active is generally against the rules. Exceeding this limit may result in the bonus being cancelled — follow the limit stated in the bonus terms.

Game Contribution

Not all games contribute equally to wagering. Slots typically contribute 100%, but live casino or table games may contribute less. Before taking a bonus, check how much each game counts toward the wagering requirement.

Bonus Expiry

Every bonus has a set expiry period — if wagering is not completed within that time, the bonus and any winnings from it are forfeited. The countdown begins as soon as the bonus is claimed.

Sticky vs Non-sticky Bonus

A sticky bonus does not remain in your account after wagering is complete — only the winnings can be withdrawn. A non-sticky bonus is kept separate, and the full amount can be withdrawn once wagering is fulfilled.

Maximum Cash-out

Some bonuses cap the amount you can withdraw, no matter how much you win. Find out this limit in advance so you are not disappointed later.

Before claiming any bonus, read the full terms and conditions — this is the most important habit to develop.

3666 det bonus terms and wagering explained

Security & trustworthiness

The steps 3666 det takes to keep your information and transactions secure.

SSL Encryption

Account login, payments, and personal data — all encrypted with SSL, with no third-party access.

KYC Verification

The identity verification (KYC) process keeps withdrawals secure — no one else can withdraw from your account.

Responsible Gaming Tools

Deposit limits, time-out, and self-exclusion options are actively available.

24/7 Support

Round-the-clock live chat and email support in Bengali and English — we are here for any issue you have.

3666 det Studio Games Available

Top slot, fishing, and live casino studio games from around the world, all on one platform.

3666 det Fa Chai
Fa Chai
Slot & Fishing Games
3666 det Hacksaw Gaming
Hacksaw Gaming
Slots
3666 det KA Gaming
KA Gaming
Slots
3666 det Pragmatic Play
Pragmatic Play
Slots
3666 det Spadegaming
Spadegaming
Slot & Fishing Games
3666 det JILI
JILI
Slots, Fishing, Card & Bingo Games
3666 det Ezugi
Ezugi
Live Casino
3666 det NetEnt
NetEnt
Slots
3666 det Live Betting In-Play Cricket Match

Live Betting & Cash Out

During a match, live betting odds change instantly — when a wicket falls, a boundary review happens, or a goal is scored, markets briefly suspend and reopen. This is the best way to bet on the situation as it unfolds.

Popular Live Markets

  • Runs in Next Over (Cricket): Over/under bet on how many runs will be scored in a specific over.
  • Next Wicket Type (Cricket): Bowled, caught, run out — pick how the next wicket will fall.
  • Innings Total Over/Under (Cricket): Whether the total runs scored in a full innings will be above or below a set number.
  • Next Goal — Which Team (Football): Team A or Team B — pick who scores next.
  • Live Asian Handicap (Football): Bet on an adjusted handicap as the match progresses — a method to level the gap between the two teams.

What is Cash Out?

Cash out means settling a bet at its current live odds value before the match ends. It can be used to lock in a profit when your team is doing well, or to reduce a loss when things turn against you. Both full (Full Cash Out) and partial (Partial Cash Out) options are available on many markets.

Three Practical Tips

Live odds change fast — check the odds once more before confirming your bet, as the price may shift when the market refreshes.

Cash out is not always the better option — if the situation is in your favour, be patient, because the cash out value is always less than what you would win if the match goes your way.

In a multi bet, if one selection is losing, use cash out to recover something from the rest — a partial return is better than losing everything.

Bangladesh Cricket Betting

Betting on the Tigers' matches is now easier — BPL, IPL, T20 World Cup and all major tournaments are covered.

3666 det Cricket Betting BPL IPL T20

Dhaka fans watch BPL matches live and place bets in real time during the season — 3666 det opens that same opportunity to players across the country. During IPL and T20 World Cup, you can bet on every ball across multiple markets.

Single bet on Team A to win at decimal odds: say the odds are 1.65 — a ৳500 bet returns ৳825 if Team A wins (৳325 profit); if they don't win, ৳500 is lost. In a multi bet with three selections at odds of 1.40 × 1.70 × 1.90 = 4.52 — a ৳100 bet returns ৳452 if all three win; if even one loses, the full ৳100 is lost.

View Cricket Betting Odds & Markets

Reach VIP Diamond — Earn Weekly Cashback

Start at Bronze, reach Diamond for up to 1% weekly cashback. For players aged 21 and above.

View VIP Membership Benefits