Free spins at Rainbet Casino let you spin real-money slots at zero cost. Learn how to earn them, which games they apply to, and how to combine them with 20% Rakeback via code BOOST20.
Free spins at Rainbet are bonus rounds that allow you to spin selected slot games without spending your own balance. Each free spin plays at a predetermined bet value, and any winnings from those spins are credited to your account — typically subject to a wagering requirement before withdrawal.
Rainbet distributes free spins through several channels: as part of promotional events, as VIP tier rewards, through deposit bonus offers, and occasionally as surprise drops for active players. The slots available for free spin use cover Rainbet's full library from top providers including Pragmatic Play, Hacksaw Gaming, BGaming, and others.
Unlike some casinos that limit free spins to low-RTP games, Rainbet's free spin promotions frequently apply to high-quality titles with RTPs of 96% or above. This means real potential to generate meaningful winnings from your free spin rounds. Don't forget to use promo code BOOST20 for additional rakeback benefits.
🎡 Free spin value tip: The actual value of a free spin batch depends on the spin value and the wagering requirement attached. A 50-spin offer at $0.20/spin with 10x wagering is worth more in practice than 100 spins at $0.10/spin with 30x wagering. Always calculate total spin value ÷ wagering multiplier to compare offers.
Rainbet Slots — Free Spins Available
| Source | Promos, VIP, deposits |
| Applies To | Eligible slot games |
| Spin Value | Varies by promotion |
| Winnings | Subject to wagering req. |
| Expiry | Check per promotion |
| BOOST20 Rakeback | 20% on slot losses |
New players occasionally receive free spins as part of a welcome package. Check the current Rainbet promotions page after registering to see if a new player free spin offer is active. Always use code BOOST20 at sign-up to activate your 20% Rakeback alongside any other offer.
Rainbet periodically runs deposit bonus promotions that include free spins alongside a match bonus. Make a qualifying deposit during the promotional window to receive your free spin allocation, credited automatically to your account.
Silver-tier VIP members and above receive regular free spin allocations as part of their tier benefits. The number and value of spins increase with each VIP level — another reason to actively progress toward higher tiers.
Rainbet runs regular promotional campaigns including free spin giveaways for active players. Check the promotions page weekly — these offers are typically time-limited and require a minimum recent activity level.
Some Rainbet slot tournaments award free spins as prizes to top finishers. Competing in tournaments gives you a chance to earn additional spins while also qualifying for cash prize pools.
Standard slot free spin mechanics — three scatter symbols triggering a free round within the game — are available across Rainbet's full slot library. These are game features, not casino bonuses, and winnings are credited without wagering requirements.
Wagering requirements (also called playthrough requirements) specify how many times you must bet your free spin winnings before they can be withdrawn as real cash. This is the most important number to understand when evaluating any free spin offer.
If you receive 50 free spins at $0.20 each, your total spin value is $10. If those spins win $15 and the wagering requirement is 20x, you must wager $15 × 20 = $300 before you can withdraw.
A 20x wagering requirement on free spin winnings is considered reasonable in the industry. Requirements above 40x are quite high and significantly reduce the real value of the offer.
Wagering requirements must usually be met on specific games. Slots typically contribute 100% toward the requirement. Originals, live casino games, and sports betting may contribute at reduced rates or not at all. Always check which games count toward clearing your wagering requirement before playing.
Free spin offers almost always come with an expiry date — both for using the spins and for clearing the wagering requirement on any winnings. Use your spins promptly and plan which games you'll use to clear the wagering within the timeframe.
Free spins and rakeback serve different purposes — and they complement each other well at Rainbet.
| Feature | Free Spins | Rakeback (BOOST20) |
|---|---|---|
| When you get it | Promotional offers | Every day, automatically |
| Applies to | Specific slot games | All games |
| Wagering required? | Yes (on winnings) | No — withdrawable |
| Requires loss? | No | Yes (20% of net loss) |
| Predictability | Varies | Consistent daily credit |
Use free spins when they're available — they're free shots at real money wins. But rakeback from BOOST20 is the more reliable, consistent value driver at Rainbet. The 20% daily rakeback requires no wagering, applies to all games, and is credited automatically regardless of whether any promotional offers are running.
Maximise your free spin value by choosing high-RTP, high-volatility slots with strong bonus features.
Choose slots with RTP above 96% for free spin use. Higher RTP means your winnings from free spins will statistically be closer to the full value of the spin amount over a reasonable sample. Check each slot's paytable or info screen for the RTP.
High-volatility slots can produce large individual wins from a single free spin. While many spins may return nothing, a single high-value win during your free spin round can generate significant withdrawable winnings after meeting the wagering requirement.
Look for slots with multiplier features that can apply during free spin rounds — sticky wilds, increasing multipliers, or cascading reels. These mechanics multiply your wins from each spin, increasing the potential value of a free spin batch significantly.
Top slot providers available at Rainbet include Pragmatic Play, Hacksaw Gaming, BGaming, Push Gaming, and NoLimit City. These studios produce consistently high-quality games with verified RTPs and engaging bonus round mechanics.
Rainbet's slot library covers over 3,000 titles across major and boutique providers. The range spans classic 3-reel fruit machines to complex multi-feature modern video slots with cluster pays, expanding grids, and elaborate bonus rounds.
All slots at Rainbet are available in crypto — you can deposit and play in Bitcoin, Ethereum, Litecoin, and numerous other cryptocurrencies with fast confirmations and no payment fees. Minimum bets on most slots are low enough for extended play at any bankroll level.
Megaways Slots: Dynamic reel layouts with up to 117,649 ways to win per spin. Popular titles include hits from BTG and licensed Megaways versions from multiple providers.
Cluster Pays: Wins from clusters of 5+ matching symbols anywhere on the grid. Often feature cascading reels that keep paying after each win. BGaming and Hacksaw lead in this category.
Classic Slots: 3- or 5-reel games with traditional paylines. Lower variance, fast rounds, and simple mechanics. Good for clearing wagering requirements quickly.
Progressive Jackpots: Slots where a portion of each bet contributes to a growing jackpot pool. Available at Rainbet — though note that progressive jackpots typically have lower base-game RTP.
All slot bets at Rainbet contribute to your daily rakeback calculation with BOOST20. This means that when you use free spins and then continue playing slots with your own balance, any net losses are partially covered by the 20% daily rakeback.
| Free spins won | $20 |
| Wagering to clear (20x) | $400 total wagered |
| Balance after clearing | ~$14 (at 97% slot RTP) |
| 20% Rakeback on net loss | +$1.20 (20% of ~$6 loss) |
| Total value extracted | ~$15.20 |
Rakeback doesn't make wagering requirements disappear — but it does reduce the cost of clearing them. Every dollar lost while meeting wagering generates 20 cents back via BOOST20 rakeback the next day.
Free spins are typically credited automatically to your account when you complete the qualifying action — depositing during a promotion, reaching a VIP tier milestone, or receiving a surprise promotional drop. Check the "Bonuses" section of your Rainbet account to see any active free spin offers and their expiry times.
Almost always yes. Winnings from casino-issued free spins are typically subject to a wagering requirement before they can be withdrawn. The multiplier varies by promotion — always check the specific terms of each offer. In-game free spin features (triggered by scatters in normal play) do not have additional wagering requirements — those winnings go straight to your balance.
Yes. All real money slot wagers while clearing free spin wagering requirements contribute to your daily rakeback calculation with BOOST20. You receive 20% of your net losses back every 24 hours, which partially offsets the cost of clearing the wagering requirement.
Eligible games vary by promotion — typically the offer specifies a particular game or a group of games. Popular choices are often top Pragmatic Play titles, BGaming slots, or the featured game of the week. Check the specific promotion terms for the full list of eligible games.
Use a medium-variance slot with 100% wagering contribution and place consistent bets. High-volatility games can clear wagering in fewer spins on winning runs but also risk busting your balance before completion. Lower-variance games at a consistent bet size give the most predictable clearing path. Always check which games count at 100% toward the wagering requirement.
