Most Popular Online Casinos in June
Terms & Conditions apply · Play responsibly
GambleZen Casino
Discover Nature’s Hidden Treasures with €3,625 in Your Backpack
- ✓ 50 Free Spins · No deposit required
- ✓ Bonus Code: GZ50
- ✓ Exclusive No-Deposit Bonus for Bulgarian Players!
- ✓ GambleZen Casino offers exclusive bonuses for CasinoBonusCenter visitors
- ✓ Bulgarian players are accepted
- ✓ Accepts Bitcoin and other cryptocurrencies
- ✓ Play instantly in your browser – No installation required
- ✓ Mobile-friendly games · Enjoy playing on smartphones and tablets
- ✓ Live Casino · Play against real croupiers at GambleZen Casino
- ✓ Tested and certified by Casino Bonus Center · Rating: 4.2/5
- ✓ 86 Game Providers: Platin Gaming, Ezugi, Onlyplay, OctoPlay, Fugaso, Pragmatic Play, LiveGames, XProGaming, KA Gaming, Evolution Gaming, Betsolutions, Playtech, and others.
Terms & Conditions apply · Play responsibly
Luxury Casino
Receive exclusive bonuses up to €1,000 on your first five deposits!
- ✓ Bulgarian players are accepted
- ✓ Accepts Bitcoin and other cryptocurrencies
- ✓ Play instantly in your browser – No installation required · Optional game downloads available
- ✓ Mobile-friendly games · Enjoy playing on smartphones and tablets
- ✓ Live Casino · Play against real croupiers at Luxury Casino
- ✓ Over €2,099,419 in Progressive Jackpots
- ✓ Tested and certified by Casino Bonus Center · Rating: 4/5
- ✓ 39 Game Providers: Infinity Dragon, Evolution Gaming, Real Dealer Studios, Stormcraft, Area Vegas, OnAir Entertainment, Alchemy Gaming, Gold Coin Studios, Neon Valley, Oros Gaming, Half Pixel, Almond Gaming, and others.
Terms & Conditions apply · Play responsibly
Slots Capital
Get €100 Free with Your First €25 Deposit!
- ✓ 15 Free Spins · No deposit required
- ✓ Bonus Code: CAPITAL15SPINS
- ✓ Bonus Code: FIRST100FREE
- ✓ Bulgarian players are accepted
- ✓ Accepts Bitcoin and other cryptocurrencies
- ✓ Play instantly in your browser – No installation required · Optional game downloads available
- ✓ Mobile-friendly games · Enjoy playing on smartphones and tablets
- ✓ Tested and certified by Casino Bonus Center · Rating: 2.9/5
- ✓ Game Providers: DragonGaming, Saucify, Arrows Edge, Qora Games, and Rival
Terms & Conditions apply · Play responsibly
Zodiac Casino
Get 80 Chances to Win One Million Euros for Just €1!
- ✓ Bulgarian players are accepted
- ✓ Accepts Bitcoin and other cryptocurrencies
- ✓ Play instantly in your browser – No installation required · Optional game downloads available
- ✓ Mobile-friendly games · Enjoy playing on smartphones and tablets
- ✓ Live Casino · Play against real croupiers at Zodiac Casino
- ✓ Over €2,099,419 in Progressive Jackpots
- ✓ Tested and certified by Casino Bonus Center · Rating: 4.6/5
- ✓ 39 Game Providers: Just for the Win, Area Vegas, SlingShot, Stormcraft, Blue Ring Studios, Snowborn Games, Triple Edge, Infinity Dragon, All For One, Ino Games, Real Dealer Studios, Barstruck, and others.
Terms & Conditions apply · Play responsibly
Captain Cooks Casino
100 Chances to Be a Millionaire – Just €5!
- ✓ Bulgarian players are accepted
- ✓ Accepts Bitcoin and other cryptocurrencies
- ✓ Play instantly in your browser – No installation required · Optional game downloads available
- ✓ Mobile-friendly games · Enjoy playing on smartphones and tablets
- ✓ Live Casino · Play against real croupiers at Captain Cooks Casino
- ✓ Over €2,099,419 in Progressive Jackpots
- ✓ Tested and certified by Casino Bonus Center · Rating: 4.1/5
- ✓ 39 Game Providers: Triple Edge, Hammertime Games, Circular Arrow, SlingShot, Snowborn Games, Foxium, Half Pixel, Neko Games, Buck Stakes, Coin Machine Gaming, Area Vegas, PearFiction, and others.
Terms & Conditions apply · Play responsibly
KingSpin Casino
Join the Boss’s Inner Circle with a Tripled Starting Balance!
- ✓ Bulgarian players are accepted
- ✓ Accepts Bitcoin and other cryptocurrencies
- ✓ Play instantly in your browser – No installation required
- ✓ Mobile-friendly games · Enjoy playing on smartphones and tablets
- ✓ Live Casino · Play against real croupiers at KingSpin Casino
- ✓ Rating: 3.8/5
- ✓ 43 Game Providers: Gamomat, BF Games, StakeLogic, BRAGG, Relax Gaming, Leap Gaming, Red Rake, Blue Guru Games, ReelPlay, Skywind, Fantasma, Swintt, and others.
Terms & Conditions apply · Play responsibly
Desert Nights Casino
An Oasis of Online Gaming – Get €100 in Bonus for Just a €25 Deposit!
- ✓ Bulgarian players are accepted
- ✓ Accepts Bitcoin and other cryptocurrencies
- ✓ Play instantly in your browser – No installation required · Optional game downloads available
- ✓ Mobile-friendly games · Enjoy playing on smartphones and tablets
- ✓ Tested and certified by Casino Bonus Center · Rating: 2.9/5
- ✓ Game Providers: Rival, Arrows Edge, Qora Games, DragonGaming, and Saucify
Top 10 Online Casino Bonuses in Bulgaria (June 2025)
Expert-Rated Real Money Casinos with Top Bonuses
Looking for the best online casinos in Bulgaria? Our expert team has tested and reviewed hundreds of real money gambling sites to bring you the top 10 choices for June 2025. SnatchCasino, Zodiac Casino, and Grand Mondial lead our rankings, standing out for their extensive selection of high-paying slots, immersive live dealer tables, exclusive bonuses, and lightning-fast payouts.
Browse our expert-ranked list below and claim your exclusive welcome bonuses today!
| Online Casinos Bulgaria | Welcome Bonus |
|---|---|
SnatchCasino Casino Fun, Beach Vibes, Gangster Style | Bonus of 225% up to €1,000 + 100 Free Spins |
Zodiac Casino 80 chances to be a millionaire for €1 | 80 Free Spins |
Grand Mondial Get 150 chances to become a millionaire | 150 Free Spins |
GambleZen Casino €3,625 in Bonuses + 350 Free Spins | Bonus of 200% up to €500 + 100 Free Spins |
SpinCity 30 Free Spins for Bulgarian Players! | Bonus of 200% up to €300 + 100 Free Spins |
Tsars An adventure-packed online сasino! | Bonus of 100% up to €300 + 100 Free Spins |
Casino Kingdom 40 chances to become a millionaire for €1 | 40 Free Spins |
1Red Casino High Roller bonus packages | Bonus of 100% up to €3,000 + 50 Free Spins |
Captain Cooks Casino Get 100 chances to be a millionaire for only €5! | 100 Free Spins |
Rollino Join the circus of winners! | Bonus of 200% up to €3,000 + 100 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 Bulgarian players to ensure you get the biggest sign-up bonuses, top-tier games, and the most rewarding loyalty programs.
