Explore every casino bonus at Casino Bonus Center · Page 2 of 11

BetHog

Unlock a $5,000 Bonus, Weekly Lotteries, and Original Games at a Trusted Crypto Casino

Welcome offer:

100% Bonus up to

$5,000

Bonus on first deposit

Terms & Conditions apply ·  Play responsibly

BetHog

Unlock a $5,000 Bonus, Weekly Lotteries, and Original Games at a Trusted Crypto Casino

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  • Online sports betting
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  • Tested and certified by Casino Bonus Center · Rating: 4.2/5
  • 28 Game Providers: Slotmill, Evolution Gaming, Big Time Gaming, GameArt, OneTouch, VoltEnt, PG Soft, Booming Games, NowNow, NetEnt, BetHog Originals, TrueLab Games, and others.

Ybets

Taste the Victory with Casino, Sportsbook, Live Betting, and Daily Chances to Win up to 5 BTC

Welcome offer:

200% Bonus up to

$2,000

+ 100 Free Spins

Bonus on first deposit

Terms & Conditions apply ·  Play responsibly

Ybets

Taste the Victory with Casino, Sportsbook, Live Betting, and Daily Chances to Win up to 5 BTC

  • 200% Bonus up to $2,000 + 100 Free Spins with your first deposit (New customers)
  • Bonus available on your second and third deposit
  • Bulgarian players are accepted
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  • Mobile-friendly games · Enjoy playing on smartphones and tablets
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  • Online sports betting
  • Available in multiple languages, including English
  • Rating: 4.2/5
  • 81 Game Providers: Igrosoft, Hacksaw Gaming, Bang Bang Games, Tom Horn, Thunderkick, 3 Oaks Gaming, Jelly Entertainment, NolimitCity, Amatic, Casino Technology, Booming Games, AvatarUX, and others.

PlayOJO

Get 50 free spins straight into your account. Everything paid in cash, no wagering requirements!

Welcome offer:

50

Free Spins

Bonus on first deposit

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!

  • 50 Free Spins with your first deposit (New customers)
  • Bulgarian players are accepted
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  • PlayOJO is available in 3 languages: English, French, and Norwegian
  • Tested and certified by Casino Bonus Center · Rating: 4.1/5
  • Popularity: This offer has been claimed by 36 visitors so far this month.
  • 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.

Rollino

Enter the Fairground with an Exclusive Bonus up to €6,000!

Sign-up Bonus:

20

Free Spins

No deposit required

Terms & Conditions apply ·  Play responsibly

Rollino

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  • 20 Free Spins · No deposit required
  • Exclusive No-deposit Bonus – Available in Bulgaria and Selected Countries
  • 200% Bonus up to €3,000 + 100 Free Spins with your first deposit (New customers)
  • Bonus available on your second and third deposit
  • Rollino offers exclusive bonuses for CasinoBonusCenter visitors
  • Bulgarian players are accepted
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  • Online sports betting
  • Available in multiple languages, including English
  • Tested and certified by Casino Bonus Center · Rating: 4.1/5
  • Popularity: This offer has been claimed by 236 visitors so far this month.
  • 85 Game Providers: 1X2gaming, Platipus, Red Rake, Spinmatic, VIVO Gaming, High 5, Amatic, Pragmatic Play, Playbro, ThunderSpin, Barbara Bang, Thunderkick, and others.

Casino Kingdom

Get 40 chances to become a millionaire for only €1

Sign-up Bonus:

1

Free Spin

No deposit required

Terms & Conditions apply ·  Play responsibly

Casino Kingdom

Get 40 chances to become a millionaire for only €1

  • 1 Free Spin · No deposit required
  • 40 Free Spins with your first deposit (New customers)
  • Bonus available on your second purchase
  • Bulgarian players are accepted
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  • Mobile-friendly games · Enjoy playing on smartphones and tablets
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  • Tested and certified by Casino Bonus Center · Rating: 4.1/5
  • Popularity: This offer has been claimed by 178 visitors so far this month.
  • 39 Game Providers: SlingShot, Barstruck, Flip Five Gaming, Gameburger Studios, Coin Machine Gaming, Snowborn Games, PearFiction, Pragmatic Play, All For One, Fortune Factory, Games Global, Buck Stakes, and others.

iWildCasino

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Welcome offer:

225% Bonus up to

€1,000

+ 200 Free Spins

Bonus on first deposit

Terms & Conditions apply ·  Play responsibly

iWildCasino

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  • 225% Bonus up to €1,000 + 200 Free Spins with your first deposit (New customers)
  • Bonus available on your second and third deposit
  • iWildCasino offers exclusive bonuses for CasinoBonusCenter visitors
  • Bulgarian players are accepted
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  • Available in multiple languages, including English
  • Tested and certified by Casino Bonus Center · Rating: 4.1/5
  • Popularity: This offer has been claimed by 66 visitors so far this month.
  • 73 Game Providers: Amusnet, QuickSpin, Platipus, EGT Digital, StakeLogic, Edict, SA Gaming, Spinmatic, 3 Oaks Gaming, MarkorTech, Push Gaming, OctoPlay, and others.

SnatchCasino

Where every spin combines beach leisure with gangster thrills!

Welcome offer:

225% Bonus up to

€1,000

+ 100 Free Spins

Bonus on first deposit

Terms & Conditions apply ·  Play responsibly

SnatchCasino

Where every spin combines beach leisure with gangster thrills!

  • 225% Bonus up to €1,000 + 100 Free Spins with your first deposit (New customers)
  • Bonus available on your second and third deposit
  • SnatchCasino offers exclusive bonuses for CasinoBonusCenter visitors
  • Bulgarian players are accepted
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  • Available in multiple languages, including English
  • Tested and certified by Casino Bonus Center · Rating: 4.1/5
  • Popularity: This offer has been claimed by 51 visitors so far this month.
  • 80 Game Providers: Play n GO, Ezugi, Triple PG, OneTouch, Push Gaming, Hacksaw Gaming, Yggdrasil Gaming, Evoplay, Evolution Gaming, NetEnt, Fugaso, PG Soft, and others.

Top 10 Online Casino Bonuses in Bulgaria (August 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 August 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:

  1. GambleZen Casino – Ranked as the #1 most popular online casino among Bulgarian players this month. Check why GambleZen Casino is so popular in Bulgaria
  2. SpinCity – Holds the #2 spot in popularity with Bulgarian players for August 2025. See Current Bonuses at SpinCity
  3. Sloto Cash – Currently ranked #3 among Bulgaria’s most played online casinos. View Available Promotions at Sloto Cash

Browse our expert-ranked list below and claim your exclusive welcome bonuses today!

Online Casinos BulgariaWelcome Bonus

Casino Fun, Beach Vibes, Gangster Style

Bonus of 225% up to €1,000 + 100 Free Spins

Get 150 chances to become a millionaire

150 Free Spins

80 chances to be a millionaire for €1

80 Free Spins

€3,625 in Bonuses + 350 Free Spins

Bonus of 200% up to €500 + 100 Free Spins

Casino & Sportsbook Built for Winners

Bonus of 100% up to $1,000 + 100 Free Spins

30 Free Spins for Bulgarian Players!

Bonus of 200% up to €300 + 100 Free Spins

An adventure-packed online сasino!

Bonus of 100% up to €300 + 100 Free Spins

Get 40 Spins for Just €1

40 Free Spins

Get ready for a wild ride!

Bonus of 100% up to $5,000

150 Chances to Win One Million Euros

150 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.