3666 offers betting across more than 20 sports categories
IPL, BPL, T20 World Cup, Test matches — live and pre-match betting across all formats.
LIVECompetitive odds on the Premier League, La Liga, Champions League, and the World Cup.
LIVEBet on Bangladesh's traditional sport of kabaddi — including the Pro Kabaddi League and local tournaments.
PopularWimbledon, US Open, French Open — full coverage from the Grand Slams to the ATP Tour.
Grand SlamHigh-odds betting options across NBA, EuroLeague, and many more basketball leagues.
NBADOTA 2, CS:GO, Valorant — esports betting is the new favourite for the younger generation.
NewEnjoy an exciting betting experience on international horse racing events.
InternationalBet on fast-paced table tennis matches — short games with the chance of big wins.
Fast ResultsBrowse real-time odds at 3666 and bet when the opportunity is right
Odds are updated continuously. Register now and check the latest odds.
Many people think online betting is complicated. But 3666The platform is so straightforward that even a first-time user can place their first bet within minutes. Every step — from opening an account to confirming a bet — is clearly explained.
3666Two types of betting are available. Pre-match betting lets you place your wager before the game kicks off, giving you more time to think it through. Live betting, on the other hand, lets you bet in real time while the match is in progress — far more thrilling, as the odds shift with every ball bowled or goal scored.
It's not just about "who will win" — 3666Dozens of betting markets are available. In cricket, you can bet on who will top-score, who will take the first wicket, the total runs in a match, and much more. This variety is exactly what sets 3666 apart from the rest.
Follow these four simple steps and place your first bet.
Register at 3666 for free — all you need is your name, mobile number, and a password.
Deposit into your account via bKash, Nagad, or Rocket. Minimum deposit is just BDT 500.
From the Sports menu, select your preferred sport, then choose a match and betting market.
Enter your amount, check the potential payout, and confirm your bet.
If it's your first time betting, start small and take the time to understand the market before going bigger. 3666A detailed guide is available in the FAQ section.
Find out what types of bets you can place at 3666
This is the simplest type of bet — you back a single outcome in one event. For example: "Bangladesh will win the match." If they do, your stake is multiplied by the odds.
Example: BDT 100 bet at odds of 2.0 → win BDT 200.
Single bets are ideal for beginners — they're easy to understand and carry less risk. At 3666, there are no extra charges on single bets.
Multiple events are combined into a single bet. If every selection is correct, all the odds are multiplied together — resulting in a much larger payout. However, if even one selection is wrong, the entire bet is lost.
Example: BDT 100 on 3 matches, combined odds 8.0 → win BDT 800 if all three come in.
Big wins from small stakes. Accumulator bets at 3666 come with an extra bonus multiplier, boosting your total payout even further.
A system bet is a safer version of an accumulator. It covers multiple combinations at once, so you can still win partially even if not every event goes your way.
Example: Get 3 out of 4 events right and you can still win.
System bets are a firm favourite among seasoned bettors. At 3666, you can place system bets in 2/3, 3/4, and many other formats.
Bet in real time while a match is in progress. With 3666's live in-play feature, watch the odds shift after every ball and every goal — and make your move at exactly the right moment.
Highlights: Odds update every second.
If a team is losing mid-match but you believe they'll come back, live betting gives you a fantastic opportunity to back them at higher odds.
For people in Bangladesh, cricket isn't just a sport — it's a passion. 3666 Honouring that passion, the platform offers the widest range of betting markets on every international cricket match. Special bonus odds are available for Bangladesh national team games.
Odds at 3666 are displayed in decimal format. If the odds are 1.80 and you bet 100 BDT, you receive 180 BDT if you win (a profit of 80 BDT). Your potential payout is shown on the betting slip before you confirm your bet.
This feature 3666A standout feature. You can exit a bet before the match ends — if things aren't looking in your favour, cashing out early to recover part of your stake is the smart play.
Once you log in, your full betting history is right there. See which bet types you win most often and where you tend to go wrong — this insight will help you make smarter decisions going forward.
For New Members 3666 You'll receive a welcome bonus to use on free bets, plus weekly cashback offers and extra bonuses on special events.
Never stake your entire balance on a single bet. Always keep your wager within 5–10% of your budget.
Before placing a bet, check the team's recent form, pitch conditions, and player injury reports.
Never bet on your favorite team out of emotion. Stay calm, study the stats, and make decisions with a clear head.
Register, claim a bonus on your first deposit, and start betting on your favorite sports.