Blackjack, roulette, poker, crash games, fishing games — 399days has everything you're looking for. Every game is certified by a fair RNG, and every payment is secure and fast. Get started today.
World-class games across every category — there's something for everyone
Beat the dealer to 21. Every variant from single-hand to multi-hand Blackjack.
25+ variants Low House EdgeEuropean, American & French Roulette — nobody knows where the ball will land, and that's what makes it exciting.
3 types Side BetCaribbean Stud, Three Card, Video Poker & Texas Hold'em — skill-based games where winning feels even better.
6+ variants Strategy-BasedThe most popular card game in Bangladesh. Simple rules, fast rounds — a favourite for beginners and seasoned players alike.
Speed Baccarat Squeeze ModeAviator, JetX — cash out before the multiplier crashes. The thrill never stops.
Instant Results MultiplayerA fun gaming experience with a fish-hunting theme. Play with friends in multiplayer mode.
Multiplayer 30+ gamesA classic card game from the Indian subcontinent, now available online. Popular for its simple rules and fast-paced gameplay.
Familiar Games Fast RoundsScratch cards, lottery, and quick-win games — results are instant, no waiting around.
50+ games Instant
Interest in online casinos is growing fast across Bangladesh — especially among smartphone users looking for entertainment from home. But not all platforms are the same. 399days entered this market with Bangladeshi players in mind, offering Bengali-language support, fast payments, and a commitment to the highest level of security.
Winning at casino games takes both luck and strategy. Knowing when to hit or stand in Blackjack, reading hand values in Poker, understanding the best bets in Baccarat — 399days provides guides on each game's page to help you figure all of this out. New players can also practice for free in demo mode before switching to real money.
Crash games have become hugely popular in Bangladesh. In games like Aviator, a plane flies while the multiplier climbs — you need to cash out before it crashes. The longer you wait, the more you can win, but if it crashes, you lose everything. That tension is exactly what makes crash games so exciting. 399days offers multiple crash games, all with an auto cash-out option — set your target multiplier and it cashes out automatically when reached.
If roulette is your game, 399days offers three variants. European Roulette has a single zero, giving it a house edge of just 2.7% — the most player-friendly option. American Roulette has two zeros (0 and 00), which raises the house edge slightly. French Roulette includes the "La Partage" rule, which reduces the house edge even further on certain bets. Most experienced players go with European or French.
Fishing games are a genre many players haven't tried yet. At their core, they're shooting-style games where fish of different sizes swim across the screen — your job is to shoot and catch them. Bigger fish earn more points or prizes. The fishing games section on 399days includes a multiplayer mode, so you and your friends can play together on the same screen at the same time.
Multiple attractive bonuses waiting for you the moment you join
Smart players always check the house edge before they play. Games with a lower house edge give you better value over the long run.
| Game Name | House Edge | Maximum payout | Type |
|---|---|---|---|
| Blackjack | 0.5% | 3:2 | Strategy |
| European Roulette | 2.7% | 35:1 | Luck |
| Baccarat | 1.06% | 1:1 | Easy |
| Video Poker | 0.46% | 800:1 | Strategy |
| Crash Games | 3% | Unlimited | Risk |
| Sic Bo | 2.78% | 180:1 | Mixed |
399days works exclusively with internationally recognized and licensed game providers.
First time at an online casino? No worries — getting started at 399days is completely hassle-free.
Create your 399days account in 2 minutes using your name, mobile number, or email. No documents required.
Deposit a minimum of BDT 500 via mobile banking or bank transfer and receive a 100% welcome bonus.
Try games in demo mode before playing for real money. Practice for free to learn the rules and sharpen your strategy.
Pick your game, set your bet, and play. Winnings are credited to your account instantly.
Withdraw once your balance reaches BDT 500 or more. Funds arrive via mobile banking or bank transfer in 15 minutes or less.
When you're new to online casinos, the first questions that come to mind are: where do I start, which games should I play, and is it safe? 399days is built to answer exactly those questions — as a straightforward, transparent platform.
Let's start with RTP, or Return to Player — a stat every casino player should understand. A 97% RTP means that, on average, BDT 97 is returned for every BDT 100 wagered over the long run. Blackjack and video poker tend to have the highest RTPs because player decisions directly affect the outcome. On 399days, the RTP for every game is clearly displayed on its game page.
The house edge is the casino's long-term statistical advantage. In Baccarat, the banker bet carries a house edge of just 1.06% — one of the lowest of any casino game. European Roulette sits at 2.7%, while American Roulette comes in at 5.26%. Understanding this difference already makes you a more informed player.
Bonus wagering requirements confuse a lot of players. Say you receive a BDT 1,000 bonus with a 30x wagering requirement — that means you need to place BDT 30,000 in bets before you can withdraw. 399days keeps its bonus terms relatively straightforward, and everything is laid out clearly on the terms and conditions page.
You can access the full 399days casino experience directly in your mobile browser — no app download needed. That said, downloading the 399days app gets you push notifications, faster login, and exclusive app-only bonuses.
Answers to the Most Frequently Asked Questions by 399days Casino Users
From Blackjack to crash games — everything in one account, fully in Bengali.
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