Most Popular Online Casinos in July
Terms & Conditions apply · Play responsibly
GambleZen Casino
Discover Nature’s Hidden Treasures with €3,625 in Your Backpack
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- ✓ GambleZen Casino offers exclusive bonuses for CasinoBonusCenter visitors
- ✓ Bulgarian players are accepted
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- ✓ Mobile-friendly games · Enjoy playing on smartphones and tablets
- ✓ Live Casino · Play against real croupiers at GambleZen Casino
- ✓ Available in multiple languages, including English
- ✓ 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.
Significant Terms: 18+ · First deposit only · Min. deposit €10 · 50 Free Spins on Book of Dead slot · Each free spin valued at €0.10 · Irregular play may lead to removal of rewards · OJO’s Rewards and Game Play policy applies · Terms & Conditions apply · Play responsibly
PlayOJO
Get 50 free spins straight into your account. Everything paid in cash, no wagering requirements!
- ✓ Bulgarian players are accepted
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- ✓ Mobile-friendly games · Enjoy playing on smartphones and tablets
- ✓ Live Casino · Play against real croupiers at PlayOJO
- ✓ PlayOJO is available in 3 languages: English, French, and Norwegian
- ✓ Tested and certified by Casino Bonus Center · Rating: 4.1/5
- ✓ 26 Game Providers: Merkur Gaming, NetEnt, Yggdrasil Gaming, Play n GO, NextGen Gaming, Amaya Cryptologic, Blueprint Gaming, Williams Interactive, GVG Green Valley Games, ELK Studios, Slingo Originals, IGT Interactive, and others.
Terms & Conditions apply · Play responsibly
Rollino
Enter the Fairground with an Exclusive Bonus up to €6,000!
- ✓ 20 Free Spins · No deposit required
- ✓ Exclusive No-deposit Bonus – Available in Bulgaria and Selected Countries
- ✓ Rollino offers exclusive bonuses for CasinoBonusCenter visitors
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- ✓ Available in multiple languages, including English
- ✓ Tested and certified by Casino Bonus Center · Rating: 4.1/5
- ✓ 85 Game Providers: 1X2gaming, Platipus, Red Rake, Spinmatic, VIVO Gaming, High 5, Amatic, Pragmatic Play, Playbro, ThunderSpin, Barbara Bang, Thunderkick, and others.
Terms & Conditions apply · Play responsibly
KingSpin Casino
Join the Boss’s Inner Circle with a Tripled Starting Balance!
- ✓ Bulgarian players are accepted
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- ✓ 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
Captain Cooks Casino
Dream Big: Get 100 Chances to Win up to €1 Million — all for just €5!
- ✓ Bulgarian players are accepted
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- ✓ Tested and certified by Casino Bonus Center · Rating: 4.2/5
- ✓ 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
Luxury Casino
Receive Exclusive Bonuses up to €1,000 on your first five deposits!
- ✓ Bulgarian players are accepted
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- ✓ Tested and certified by Casino Bonus Center · Rating: 4.2/5
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Terms & Conditions apply · Play responsibly
Miami Club Casino
Claim 20 free spins, plus a €4,000 bonus on your first deposit!
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- ✓ Game Providers: WGS Technology and DragonGaming
Top 10 Online Casino Bonuses in Bulgaria (July 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 July 2025. SnatchCasino, Grand Mondial, and Zodiac Casino 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 Bulgaria
Curious which brands stand out among Bulgarian 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:
- GambleZen Casino – Ranked as the #1 most popular online casino among Bulgarian players this month. Check why GambleZen Casino is so popular in Bulgaria
- SpinCity – Holds the #2 spot in popularity with Bulgarian players for July 2025. See Current Bonuses at SpinCity
- Rollino – Currently ranked #3 among Bulgaria’s most played online casinos. View Available Promotions at Rollino
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 |
Grand Mondial Get 150 chances to become a millionaire | 150 Free Spins |
Zodiac Casino 80 chances to be a millionaire for €1 | 80 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 |
Yukon Gold Casino 150 Chances to Win One Million Euros | 150 Free Spins |
Luxury Casino Five exclusive bonuses up to €1,000 | Bonus of 100% up to €150 |
Captain Cooks Casino Get 100 Chances to be a Millionaire! | 100 Free Spins |
Casino Classic Get 40 Spins for Just €1 | 40 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.
