8,000+ games, a full sportsbook, and a 7-tier VIP ladder backed by major esports sponsorships.
Last reviewed August 1, 2026
18+. T&Cs apply. Play responsibly.
Rainbet launched in 2020 and holds a license from Anjouan Gaming (#ALSI-092310027-FI2). It's currently ranked #2 on Best Slot Wins with a 4.5/5 rating, scoring highest on games & software (4.7/5).
It supports 6 cryptocurrencies (BTC, ETH, USDT, USDC, LTC, BCH), with withdrawals typically processed in 1-4 hours. 8,000+ games are available from providers including Pragmatic Play, Evolution, Relax Gaming, among others.
Every rating on this page comes from our own hands-on testing process, not marketing copy — and you can compare Rainbet side-by-side against other ranked casinos before you decide.
4.7/5
Rainbet's highest-rated area, ranking #2 of 6 casinos we've tested for games & software.
Visit Rainbet150% 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.
The Rainbet VIP ladder is one of the deepest we've tested: 7 named tiers — Bronze through Infernal Diamond — split into 25 total sub-levels, with advancement driven entirely by wagering volume across casino, live, and sports action. Bronze unlocks at a comparatively low $4,000 wagered and pays 5% rakeback; the published rate then jumps all the way to roughly 20% at Infernal Diamond, though Rainbet doesn't publish the five rates in between — a real transparency gap worth knowing about if you're trying to plan around a specific mid-tier rate rather than just climbing and taking whatever the account shows. Reaching Infernal Diamond itself takes $1 billion in lifetime wagering, so treat it as a theoretical ceiling rather than a realistic goal for the vast majority of players. What applies well before that: rakeback pays out every 15 minutes rather than the weekly or monthly cadence most competitors use, and every tier includes a daily reload — three separate reloads every 8 hours, funded out of your own rakeback — plus faster withdrawal processing and dedicated account management once you're established. It's a genuinely fast-paying structure, just an opaque one in the middle of the VIP ladder.
Create an account at Rainbet
Visit Rainbet and register with an email address (or connect a wallet, if supported) to create your account.
Verify your email
Confirm your email address to activate the account — most operators require this before a first deposit is accepted.
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.
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.
This casino is crypto-only; fiat currency deposits are not supported.
See how deposit and withdrawal speed compare across every crypto we track on our crypto payment methods page.
Rainbet's casino games catalog is one of the largest we've tested at 8,000+ titles, and the live dealer floor spanning both Evolution and Ezugi means more table variety during off-peak hours when a single provider's tables can fill up elsewhere. Rainbet Originals adds a 12-game in-house lineup — Plinko, Limbo, Wheel, War, Hilo, Tower, Rock Paper Scissors, Chicken Cross, Blackjack, Mines, Keno, and Dice — each provably fair and verifiable per round. The standout beyond the casino floor is the sportsbook: genuinely competitive with a dedicated betting site rather than the single-league afterthought some crypto casinos bolt on. Slot selection leans heavily on Pragmatic Play and Relax Gaming, so expect some catalog overlap if you've played at other Anjouan- or Curaçao-licensed casinos.
A 12-game in-house lineup — Plinko, Limbo, Wheel, War, Hilo, Tower, Rock Paper Scissors, Chicken Cross, Blackjack, Mines, Keno, and Dice — each provably fair, with the seed and outcome verifiable per round rather than taken on trust.
The bulk of Rainbet's 8,000+ games sits here, sourced from Pragmatic Play, Evolution, Relax Gaming, Hacksaw Gaming, BGaming, and NoLimit City among others — one of the larger provider spreads we've tracked, closer to a full aggregator than a curated in-house-plus-a-few-partners approach.
The live dealer floor spans both Evolution and Ezugi, which in practice means more table variety during off-peak hours when a single provider's tables can fill up elsewhere on other platforms.
Rainbet runs a full sportsbook alongside the casino — genuinely competitive with a dedicated betting site rather than the single-league afterthought some crypto casinos bolt on, and backed by real sponsorship weight through the Rainbet Cup CS2 tournament.
As an online casino operating under a newer regulatory framework rather than an established Bitcoin casino jurisdiction, Rainbet is licensed under Anjouan Gaming (operator RBGAMING N.V.) rather than the more commonly seen Curaçao Gaming Authority — a shorter enforcement track record, worth knowing even though we found no red flags in our own testing. On the technical side, reserves are reportedly held in a multi-signature wallet setup rather than a single-key hot wallet, a stronger security posture than several competitors on this list disclose, though this isn't independently auditable from the outside. Standard SSL encryption covers the platform; the slot catalog's fairness is determined by the individual game providers rather than in-house tooling, while every Rainbet Original is provably fair and independently verifiable.
Licensed under Anjouan Gaming (license #ALSI-092310027-FI2).
Rainbet has leaned hard into esports and streaming sponsorships since launching in 2023. It's the CS2 jersey sponsor for Ninjas in Pyjamas — the logo debuted at PGL Astana — and title sponsor of the Rainbet Cup, a B-Tier CS2 tournament that's drawn teams like Fnatic and ENCE. On the streaming side, Rainbet sponsors gambling content on Kick and signed streamer Adin Ross in September 2025 after his move from Stake, in a deal reported in the tens of millions annually — treat that specific figure as reported rather than officially confirmed. None of this affects the licensing or payout testing covered elsewhere on this page — sponsorship spend is a marketing signal, not a safety one — but it's a fair measure of how well-capitalized the operator is relative to smaller, newer platforms.
Live chat responses landed in the 2-5 minute range during testing — slower than Stake.com's sub-minute average, but still comfortably within same-session territory, and agents were able to answer specific questions about the sportsbook's cash-out rules without needing to check with a supervisor. There's no community channel like Discord here, so email is the only fallback outside live chat.
This Rainbet Casino review comes down to depth over any single specialty — 8,000+ games, a genuinely competitive sportsbook, and a 7-tier Rainbet VIP program that keeps paying out as you climb rather than front-loading everything into a single welcome offer. The Anjouan license is a newer, lighter-touch jurisdiction than some of its peers, withdrawal times run slower than the fastest Bitcoin casino options on this list, and there's no fiat on-ramp if you're not already holding crypto — but the sheer catalog size and the backing of a heavily-sponsored, well-capitalized online casino operator both work in Rainbet's favor.
Yes. Rainbet is operated by RBGAMING N.V. under an Anjouan Gaming license. It's backed by real sponsorship activity — including a Ninjas in Pyjamas CS2 jersey deal and the Rainbet Cup tournament — which is a fair signal of scale, though it's a newer, lighter-touch licensing jurisdiction than Curaçao's stricter peers, which we factor into its trust score.
A 150% match up to 2 ETH on your first deposit, with a 40x wagering requirement on the bonus amount and a $30 (0.01 ETH) minimum deposit to trigger it. Promotional terms shift periodically, so confirm the live offer on-site before depositing.
Typically 1-4 hours for crypto payouts — slower than the near-instant withdrawals some competitors on this list advertise, though verified accounts can withdraw up to $50,000 per day. There are no platform withdrawal fees beyond standard network fees.
No, Rainbet is a crypto-only platform. You'll need BTC, ETH, USDT, USDC, LTC, or BCH to play.
A seven-tier ladder from Bronze to Infernal Diamond, joinable right after registration. Each tier adds stronger weekly cashback — up to 15% at the top tier — plus dedicated account management from tier 4 onward.
No native app — Rainbet ships as a progressive web app you can install from your mobile browser in a couple of taps, complete with push notifications for bonus alerts and VIP updates.
Rainbet payment methods cover six major cryptocurrencies: Bitcoin, Ethereum, USDT, USDC, Litecoin, and Bitcoin Cash.
The Rainbet promo code for Best Slot Wins readers is BESTSLOTWINS — enter it during registration to link your account to us as the referring site. Rainbet's own welcome offer (150% up to 2 ETH) applies the same either way — the code just attributes the signup to us.
By headline size, yes — the Rainbet bonus (a 150% match up to 2 ETH) is bigger than most operators we cover offer. The 40x wagering requirement on that bonus is standard for the category, so it's not a cleaner bonus than average, just a larger one. If bonus size is your main criterion, Rainbet's is one of the stronger offers on this list.
Yes, particularly if catalog depth matters to you — Rainbet is one of the largest crypto casinos we cover for 2026 by game count, backed by real esports sponsorships and a structured 7-tier VIP program. The two honest caveats: withdrawals run slower than the fastest Bitcoin casino options on this list (1-4 hours rather than minutes), and there's no fiat on-ramp for players not already holding crypto. If those trade-offs work for you, it's a strong all-around online casino pick.
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