New or returning — there's always something for you at Rainbett. From welcome bonuses to weekly cashback and special tournament offers, it's all in one place.
⚡ Hot Offer Ending Soon
Pick a category or browse all offers at once
Double your money with a first deposit bonus. Minimum deposit ৳500. Valid on Sports, Casino, and slots.
Bet on cricket all week — get 15% of your net losses back by midnight Monday. Maximum ৳10,000.
Get 100 free spins on any ৳1,000 deposit. Use them on Sweet Bonanza or Gates of Olympus.
Use a ৳500 free bet on any Champions League or Premier League match. Win and it's all yours.
Deposit ৳1,000 or more on your first Live Casino session and receive a ৳2,000 bonus. Valid on all Baccarat, Roulette, and other tables.
Gold members and above receive up to 25% cashback on net monthly losses, capped at ৳50,000 — with no cap at Diamond tier.
Earn ৳1,000 for every successful referral, and your friend gets ৳500. No cap — the more you refer, the more you earn.
Place live bets during a match and earn an extra 5% bonus on every winning bet. The more live bets you place, the more you earn.
Deposit every Monday and get a 50% reload bonus. Up to ৳5,000. Valid on all game types.
Secure your bonus in just four simple steps
Open a new account at Rainbett. It only takes 2 minutes with your phone number or email.
Choose a promotion from the list above and read the terms and conditions.
Deposit via bKash, Nagad, or Rocket and your bonus will be credited automatically.
Use your bonus to bet on your favourite game or match and enjoy the thrill of winning.
In Bangladesh's betting scene, promotions aren't just for show. At Rainbett, every offer is designed to give you real value — not just something that looks good on paper. Lower wagering requirements, generous bonus validity, and payment methods built specifically for Bangladeshi players.
Many players see Rainbett's 200% welcome bonus for the first time and wonder — is this for real? Yes, it is. Deposit ৳500 and get ৳1,000 in bonus funds. Deposit ৳10,000 and receive up to ৳20,000. Keep in mind that bonuses can't be withdrawn directly — you need to place a certain amount in bets first. That's standard practice across the industry, and Rainbett actually keeps its wagering requirements lower than most other betting sites.
The cricket cashback offer is designed exclusively for players in Bangladesh. Whether it's a Tigers match or the IPL — if you end the week at a loss, a portion of that loss is returned to you. Think of it as a safety net: you never walk away completely empty-handed.
Free spin offers are a special treat for slots fans. A good run on Sweet Bonanza or Gates of Olympus can turn free spins into big rewards. The wagering on these offers may be relatively higher, but the risk is zero — the spins don't cost you a thing.
The referral program is a great side-income opportunity for regular players. Bring your friends or contacts to Rainbett — every successful referral earns you a cash bonus. There's no limit on how many people you can refer.
VIP members enjoy promotions at a whole different level. Gold and Platinum members receive personalised offers that aren't available to regular players — monthly cashback, exclusive event access, higher withdrawal limits. The perks of going VIP add up fast.
One last thing — always read the promotion terms carefully. Wagering requirements, validity period, and minimum odds are the three things that matter most. Rainbett lists all terms transparently, with nothing hidden. If you have any questions, just reach out via live chat — support is available 24/7 in Bangla.
Extra 10% bonus on IPL match bets — limited time.
Prize pool ৳50 lakh — register now.
Top 100 bettors are invited to exclusive VIP events.
Extra cash rewards for top bettors.
Rainbett's Offers vs. Regular Betting Sites
Frequently Asked Questions About Promotions