Top casinos with bonuses on second deposit · Page 8 of 14
Terms & Conditions apply · Play responsibly
SpinsUp Casino
Join the Circus-Inspired Casino to Unlock 300 Free Spins + €5,000 in Bonuses!
- ✓ Slovenian players are accepted
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- ✓ Rating: 3.8/5
- ✓ 117 Game Providers: Playtech, AceRun, Games Global, 100HP Gaming, Retro Gaming, NetGame, Lucky Slots, Betgames.TV, PG Soft, HungryBear, Four Leaf Gaming, TornadoGames, and others.
Terms & Conditions apply · Play responsibly
Boho Casino
Up to €2,000 in welcome bonuses plus daily and weekly rewards!
- ✓ Slovenian players are accepted
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- ✓ Available in multiple languages, including English
- ✓ Tested and certified by Casino Bonus Center · Rating: 3.7/5
- ✓ 110 Game Providers: iSoftBet, Felix Gaming, 4ThePlayer, Amusnet, Gamzix, KA Gaming, Mascot Gaming, Playson, Platipus, AceRun, NolimitCity, Print Studios, and others.
Terms & Conditions apply · Play responsibly
Cadoola
€800 with your first deposits + 300 free spins + a free pick at Bonus Crab!
- ✓ Slovenian players are accepted
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- ✓ Rating: 3.7/5
- ✓ 122 Game Providers: Playtech, Amusnet, OneTouch, Givme Games, Spinomenal, Eurasian Gaming, Felt Games, Foxium, Amatic, OnAir Entertainment, Claw Bonus Crab, PariPlay, and others.
Terms & Conditions apply · Play responsibly
Asino Casino
Climb the Loyalty Ladder with Every Spin – 100 Prizes and €200,000 Waiting for You
- ✓ Bonus Code: START
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- ✓ Tested and certified by Casino Bonus Center · Rating: 3.6/5
- ✓ 88 Game Providers: ELK Studios, Jelly Entertainment, Lucky Slots, Spinomenal, RubyPlay, Ezugi, Kalamba Games, Absolute Live Gaming, Spribe, Mancala, Live Solutions, 4ThePlayer, and others.
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Grand Hotel Casino
Check-in to receive up to €560 in bonuses!
- ✓ Slovenian players are accepted
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- ✓ Tested and certified by Casino Bonus Center · Rating: 3.5/5
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Terms & Conditions apply · Play responsibly
NineCasino
Sign up & get 250 free spins plus a welcome bonus of €450
- ✓ Slovenian players are accepted
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- ✓ Mobile-friendly games · Enjoy playing on smartphones and tablets
- ✓ Live Casino · Play against real croupiers at NineCasino
- ✓ Available in multiple languages, including English
- ✓ Rating: 3.5/5
- ✓ 26 Game Providers: GameArt, Thunderkick, BGaming, ELK Studios, Belatra Games, NolimitCity, Amatic, Push Gaming, Pragmatic Play, Games Global, Platipus, TrueLab Games, and others.
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Nostalgia Casino
A Glimpse into Gaming's Golden Age
- ✓ Slovenian players are accepted
- ✓ Accepts Bitcoin and other cryptocurrencies
- ✓ Play instantly in your browser – No installation required · Optional game downloads available
- ✗ Not available on mobile devices
- ✓ Over €2,217,865 in Progressive Jackpots
- ✓ Available in multiple languages, including English
- ✓ Tested and certified by Casino Bonus Center · Rating: 3.5/5
- ✓ 39 Game Providers: Ino Games, Infinity Dragon, Oros Gaming, Circular Arrow, PearFiction, All For One, Flip Five Gaming, Games Global, Wishbone Games, Half Pixel, SpinPlay Games, Aurum, and others.
Top 10 Online Casino Bonuses in Slovenia (August 2025)
Expert-Rated Real Money Casinos with Top Bonuses
Looking for the best online casinos in Slovenia? Our expert team has tested and reviewed hundreds of real money gambling sites to bring you the top 10 choices for August 2025. Casino Classic, Wazamba, and ZotaBet lead our rankings, standing out for their extensive selection of high-paying slots, immersive live dealer tables, exclusive bonuses, and lightning-fast payouts.
Most Popular Online Casinos in Slovenia
Curious which brands stand out among Slovenian players right now? Here are the top 3 most popular online casinos in the last 30 days—each trusted for their excellent bonuses, diverse games, and reliable payouts:
- KingSpin Casino – Ranked as the #1 most popular online casino among Slovenian players this month. Check why KingSpin Casino is so popular in Slovenia
- Casino Kingdom – Holds the #2 spot in popularity with Slovenian players for August 2025. See Current Bonuses at Casino Kingdom
- Rich Palms – Currently ranked #3 among Slovenia’s most played online casinos. View Available Promotions at Rich Palms
Browse our expert-ranked list below and claim your exclusive welcome bonuses today!
| Online Casinos Slovenia | Welcome Bonus |
|---|---|
Casino Classic Get 40 Spins for Just €1 | 40 Free Spins |
Wazamba Big bonuses, Live casino, and Sports | Bonus of 100% up to €500 + 200 Free Spins |
ZotaBet Up to €6,000 Bonus · Unlimited VIP Betting! | Bonus of 100% up to €6,000 + 100 Free Spins |
Casino Kingdom 40 chances to become a millionaire for €1 | 40 Free Spins |
SnatchCasino Casino Fun, Beach Vibes, Gangster Style | Bonus of 225% up to €1,000 + 100 Free Spins |
KingSpin Casino Join the Boss’s Inner Circle for Big Wins! | Bonus of 200% up to €300 + 50 Free Spins |
WildTornado Unleash 200 Free Spins Today! | Bonus of 100% up to €300 + 100 Free Spins |
NetBet €200 bonus + 10 free spins on Vegas | Bonus of 100% up to €200 + 10 Free Spins |
Grand Mondial Get 150 chances to become a millionaire | 150 Free Spins |
bitStarz Claim up to €500 in Bonuses | Bonus of 100% up to €100 + 180 Free Spins |
* Terms & Conditions Apply · Play responsibly
With nearly two decades of experience in the industry, CasinoBonusCenter.com has been analyzing and comparing online casinos since 2006. Our dedicated team of professionals has handpicked the most trusted casinos for Slovenian players to ensure you get the biggest sign-up bonuses, top-tier games, and the most rewarding loyalty programs.
