Best Slot Wins
Rainbet Bonus Code 2026
150% up to 2 ETH on first deposit
First-time depositors get a 150% match up to 2 ETH, credited as bonus funds with an accompanying loyalty-point multiplier for the first 7 days. Some promotional periods split this across your first few deposits rather than a single lump match, so check the current terms on-site before depositing. Enter the Rainbet promo code BESTSLOTWINS during signup to link your account to Best Slot Wins as the referring site. Rainbet's 150% bonus sits toward the generous end of what we've seen — most competitors offering a deposit-match bonus stop at 100%, and Rainbet's 2 ETH cap gives larger depositors real bonus room to work with. The 40x wagering requirement on that bonus amount is standard for this category, neither better nor worse than the typical crypto casino bonus terms we've reviewed elsewhere. Compared to Winna's near-wagering-free bonus or Duel's no-bonus rakeback model, Rainbet's offer is a more conventional deposit-match bonus, aimed at players who'd rather have a bigger headline bonus than a smaller, cleaner one. This bonus suits players planning a meaningful first deposit who can realistically clear 40x wagering — the bigger the deposit, the more this bonus is worth relative to a flat, wagering-free alternative like Winna's.
- Wagering
- 40x bonus amount
- Min Deposit
- 0.01 ETH (~$30)
- Promo Code
- BESTSLOTWINS
18+. T&Cs apply. Play responsibly.
How to Claim It
- 1
Create an account at Rainbet
Visit Rainbet and register with an email address (or connect a wallet, if supported) to create your account.
- 2
Verify your email
Confirm your email address to activate the account — most operators require this before a first deposit is accepted.
- 3
Enter the promo code
Enter the code BESTSLOTWINS in the promo code field during registration — it typically can't be applied after the account already exists.
- 4
Make your first deposit
Deposit at least 0.01 ETH (~$30) to activate your welcome offer: 150% up to 2 ETH on first deposit. Wagering requirement: 40x bonus amount.
Bonus FAQ
The current code is BESTSLOTWINS. Enter it during registration — most operators, including Rainbet, can't apply a code retroactively once the account already exists.
Create an account, verify your email, enter the code BESTSLOTWINS during signup, then deposit at least 0.01 ETH (~$30) to trigger 150% up to 2 ETH on first deposit.
40x bonus amount. That's the multiplier you need to bet through before any bonus winnings can be withdrawn. See our full Rainbet review for how that compares to other operators we've tested.
0.01 ETH (~$30), deposited via any of the 6 supported cryptocurrencies (BTC, ETH, USDT, USDC, LTC, BCH).
This page covers the Rainbet welcome bonus specifically. For the full rating breakdown, payment methods, security review, and more, read our complete Rainbet review.