Your Welcome Package
First-time depositors at SpinBoss are greeted with the largest available bonus on the platform. The flagship offer is a 400% casino match that scales generously with your initial deposit, supported by 400 free spins distributed daily over your first sessions. Below the main offer you will find a multi-deposit alternative and a dedicated sports welcome bonus.
Deposit EUR 20 or more to trigger the main welcome offer. Your deposit is matched at 400%, up to a maximum bonus of EUR 15,000. The 400 free spins are released in batches of 40 per day over 10 days - the first batch arrives right after your qualifying deposit. Each daily set must be claimed within 24 hours or it expires. A deposit of EUR 10 or more also earns 1 Bonus Crab credit for a spin at the Claw Machine, where prizes include coins, spins, or bonus cash.
Prefer to spread the bonus across multiple sessions? The multi-deposit package covers your first four deposits. Deposit 1 delivers a 100% match up to EUR 1,000 plus 200 free spins. Deposit 2 adds a 75% match up to EUR 500. Deposit 3 brings 50% up to EUR 500 and 50 more spins. Deposit 4 closes with a 25% match up to EUR 1,000 plus 100 spins. Each bonus stage requires a minimum deposit of EUR 20 and must be wagered 35x within 10 days.
New sportsbook players receive a 100% match on their first deposit. The maximum bonus varies by country: Finland, Germany, Norway, Switzerland, and Austria qualify for up to EUR 200; Italy for up to EUR 150; Kazakhstan, Uzbekistan, Kyrgyzstan, Tajikistan, Georgia, and Azerbaijan for up to EUR 50. To release the bonus, your deposit must be wagered in full on sports bets with minimum odds of 1.50. Wagering requirement is 5x or 6x depending on your country, within 30 days.
Ongoing Deals
Once the welcome phase is over, SpinBoss keeps a rotation of weekly promotions running. These reset each week and require opt-in before depositing.
Deposit EUR 20 or more between Monday and Thursday and receive 66 free spins on the featured slot for that week. Opt-in before depositing is mandatory - spins will not be credited without it. Winnings carry a 40x wagering requirement. The spins and any winnings must be used within 7 days, with the full wagering cleared within 10 days. Max bet during the bonus: EUR 5.
Deposit at least EUR 20 on a Friday, Saturday, or Sunday and receive a 50% bonus up to EUR 777. Deposits of EUR 50 or more also unlock 77 free spins on a featured title. Opt-in required before depositing. Wagering is 35x on deposit plus bonus, and 40x on free spin winnings. You have 10 days to complete the requirements.
Your largest deposit of the week qualifies for a 55% sports reload bonus up to EUR 750. The deposit must first be rolled over once on sports bets at odds of 1.50 or higher before the bonus is credited to your account. Once that is done, contact support via live chat or email to claim it. Wagering must be completed within 30 days, and the maximum cashout is 10x the bonus value.
Cashback Rewards
SpinBoss runs three independent cashback programs. Each one covers a different type of play and has its own claiming process - you do not need to opt into all of them at once.
Daily Casino Cashback
Available from VIP level 2. The cashback percentage increases with your VIP rank: level 2 gets 3% (up to EUR 100), level 3 gets 5% (up to EUR 200), level 4 gets 10% (up to EUR 300), and level 5 gets 15% (up to EUR 400). Cashback is credited automatically each day at 04:00 UTC and requires just 1x wagering. Opt-in is needed every 4 weeks.
Live Casino Cashback: 25% up to €350
Weekly cashback on net losses at live casino tables. You need a minimum net loss of EUR 5 during the week to qualify. To claim, contact customer support on Monday between 06:00 and 23:59 UTC. Once credited, the cashback carries a 1x wagering requirement before you can withdraw.
Sports Cashback: 10% up to €500
Covers net losses on sportsbook wagers from Monday to Sunday. Minimum qualifying loss is EUR 20 for the week. Contact support on Monday to claim your cashback. The funds carry a 3x wagering requirement and can only be used on sports bets.
Extras: VIP, Shop & Challenges
Beyond the standard bonus cycle, SpinBoss runs a full loyalty ecosystem with a tiered VIP program, a coin-based shop, and weekly challenge events.
VIP Program
SpinBoss uses a multi-tier VIP structure. Your level advances based on how much you wager across casino games and the sportsbook. Higher ranks unlock a personal account manager, priority withdrawals, elevated daily and monthly payout limits, and exclusive promotional offers that are not available to standard players. Top VIP levels receive the highest cashback percentages in all three cashback programs.
Bonus Crab
Every deposit of EUR 20 or more earns one Bonus Crab credit. Use it to try the Claw Machine, which randomly awards a prize from a pool including bonus cash, free spins, or coins. There is no wagering attached to the credit itself - prizes from the machine may carry their own terms. It is available on virtually every deposit you make.
Loyalty Shop
Coins accumulate as you play, complete challenges, and participate in promotions. The shop lets you spend them at your own pace. Options include free spins on selected slots (e.g., 5 spins for 30 coins), bonus money credits (EUR 5 for 50 coins, scaling up to EUR 250 for 1,200 coins), and other rotating rewards. There is no rush - coins do not expire as long as your account remains active.
Weekly Challenges
A fresh set of challenges is released each week. Casino challenges typically ask you to place a certain number of spins at a minimum stake on a specific slot. Sports challenges might require a set number of bets at minimum odds. Completing each challenge earns coins, and finishing 20 challenges in a single week unlocks a 50-coin completion bonus.
Promo Codes & No-Deposit Info
Using a Promo Code
If you have a promo code, enter it during account registration. The code field appears after you select your preferred welcome bonus option. Valid codes may unlock adjusted bonus terms, exclusive deals, or additional rewards not available through the standard offer. Enter the code before completing your registration - it cannot be applied after the fact.
No-Deposit Bonus
SpinBoss does not currently offer a traditional no-deposit bonus for new registrations. However, the Bonus Crab feature is available to any player who deposits EUR 10 or more - each qualifying deposit earns a free Claw Machine spin with real prizes. Keep an eye on the Promotions section and the in-platform notifications area, as the offer lineup changes regularly.
Bonus FAQ
How do I claim the welcome bonus at SpinBoss?
During registration, select the welcome offer you want - either the main casino package or the sports bonus. After completing sign-up, make a qualifying deposit of at least EUR 20 and the bonus will be credited to your account automatically. Free spins begin arriving in daily batches from that point.
What happens to my active bonus if I request a withdrawal?
Requesting a withdrawal before completing the full wagering requirement will void the active bonus and any associated winnings. Make sure all rollover conditions are met before submitting a cashout request. If you want to cancel the bonus and withdraw your real-money balance, contact support before initiating the withdrawal.
Do Skrill and Neteller deposits qualify for bonuses?
In most cases, deposits via Skrill or Neteller are excluded from welcome and reload bonuses. This is standard across the industry due to the cashback programs those providers run. Check the specific promotion terms before depositing to confirm eligibility.
How do coins work in the loyalty shop?
Coins are earned by playing games, completing weekly challenges, and participating in various promotions. They accumulate in your account and can be redeemed at any time from the Shop section. Options include free spins and bonus money credits. Coins remain valid as long as your account is active and in good standing.
Can I claim more than one welcome bonus?
No. Welcome bonuses are available to new players on their first deposit only. You must choose between the main casino offer and the sports welcome - you cannot take both on the same deposit. If you want a multi-deposit package instead, select that option at registration, as it replaces the single-deposit offer.