Exclusive third deposit bonuses: Casino List

Zodiac Casino

Get 80 Chances to Win One Million Euros for Just €1!

Welcome offer:

80

Free Spins

Bonus on first deposit

Terms & Conditions apply ·  Play responsibly

Zodiac Casino

Get 80 Chances to Win One Million Euros for Just €1!

  • 80 Free Spins with your first deposit (New customers)
  • Bonus available on your second and third 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
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  • Over €2,215,984 in Progressive Jackpots
  • Available in multiple languages, including English
  • Tested and certified by Casino Bonus Center · Rating: 4.6/5
  • Popularity: This offer has been claimed by 182 visitors so far this month.
  • 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.

Captain Cooks Casino

Dream Big: Get 100 Chances to Win up to €1 Million — all for just €5!

Welcome offer:

100

Free Spins

Bonus on first deposit

Terms & Conditions apply ·  Play responsibly

Captain Cooks Casino

Dream Big: Get 100 Chances to Win up to €1 Million — all for just €5!

  • 100 Free Spins with your first deposit (New customers)
  • Bonus available on your second and third 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
  • Live Casino · Play against real croupiers at Captain Cooks Casino
  • Over €2,215,984 in Progressive Jackpots
  • Available in multiple languages, including English
  • Tested and certified by Casino Bonus Center · Rating: 4.2/5
  • Popularity: This offer has been claimed by 103 visitors so far this month.
  • 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.

Luxury Casino

Receive Exclusive Bonuses up to €1,000 on your first five deposits!

Welcome offer:

100% Bonus up to

€150

Bonus on first deposit

Terms & Conditions apply ·  Play responsibly

Luxury Casino

Receive Exclusive Bonuses up to €1,000 on your first five deposits!

  • 100% Bonus up to €150 with your first deposit (New customers)
  • Bonus available on your second and third 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
  • Live Casino · Play against real croupiers at Luxury Casino
  • Over €2,215,984 in Progressive Jackpots
  • Available in multiple languages, including English
  • Tested and certified by Casino Bonus Center · Rating: 4.2/5
  • Popularity: This offer has been claimed by 206 visitors so far this month.
  • 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.

GambleZen Casino

Discover Nature’s Hidden Treasures with €3,625 in Your Backpack

Sign-up Bonus:

50

Free Spins

No deposit required

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 – Available in Bulgaria and Selected Countries
  • 200% Bonus up to €500 + 100 Free Spins with your first deposit (New customers)
  • Bonus available on your second and third deposit
  • 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
  • Available in multiple languages, including English
  • Tested and certified by Casino Bonus Center · Rating: 4.2/5
  • Popularity: This offer has been claimed by 640 visitors so far this month.
  • 86 Game Providers: Platin Gaming, Ezugi, Onlyplay, OctoPlay, Fugaso, Pragmatic Play, LiveGames, XProGaming, KA Gaming, Evolution Gaming, Betsolutions, Playtech, 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
  • 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 Ybets
  • 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.

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

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
  • 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
  • Play instantly in your browser – No installation required
  • Mobile-friendly games · Enjoy playing on smartphones and tablets
  • Live Casino · Play against real croupiers at Rollino
  • 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 253 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.

iWildCasino

Join the Joker’s Playground – Enjoy €4,000 in Rewards!

Welcome offer:

225% Bonus up to

€1,000

+ 200 Free Spins

Bonus on first deposit

Terms & Conditions apply ·  Play responsibly

iWildCasino

Join the Joker’s Playground – Enjoy €4,000 in Rewards!

  • 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
  • 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 iWildCasino
  • Available in multiple languages, including English
  • Tested and certified by Casino Bonus Center · Rating: 4.1/5
  • Popularity: This offer has been claimed by 70 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.

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. Bingo Billy – Currently ranked #3 among Bulgaria’s most played online casinos. View Available Promotions at Bingo Billy

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

Online Casinos BulgariaWelcome Bonus

Casino Fun, Beach Vibes, Gangster Style

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Get 150 chances to become a millionaire

150 Free Spins

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€3,625 in Bonuses + 350 Free Spins

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

Casino & Sportsbook Built for Winners

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30 Free Spins for Bulgarian Players!

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An adventure-packed online сasino!

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

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40 Free Spins

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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.