Latest Casino Bonuses for August 2025
Terms & Conditions apply · Play responsibly
Ybets
Taste the Victory with Casino, Sportsbook, Live Betting, and Daily Chances to Win up to 5 BTC
August 23
- ✓ 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.
Terms & Conditions apply · Play responsibly
Immerion
Claim Up to $4,000 + 250 Free Spins - Join the Engine of Fortune for a Chance to Win up to 5 BTC
August 22
- ✓ 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 Immerion
- ✓ Online sports betting
- ✓ Available in multiple languages, including English
- ✓ Rating: 4.1/5
- ✓ 94 Game Providers: Onlyplay, Turbo Games, Tom Horn, Bulletproof Games, Four Leaf Gaming, Reevo, NowNow, OctoPlay, VoltEnt, Big Time Gaming, Gamebeat, RAW iGaming, and others.
Terms & Conditions apply · Play responsibly
Villento Casino
Start Playing with Up to €1,000 in Free Bonuses
August 13
- ✓ Bulgarian players are accepted
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- ✓ Over €2,201,884 in Progressive Jackpots
- ✓ Available in multiple languages, including English
- ✓ Tested and certified by Casino Bonus Center · Rating: 4/5
- ✓ 39 Game Providers: Blue Ring Studios, Coin Machine Gaming, Nailed It!, Circular Arrow, OnAir Entertainment, Infinity Dragon, Flip Five Gaming, Switch Studios, Area Vegas, Games Global, Neko Games, Just for the Win, and others.
Terms & Conditions apply · Play responsibly
Casinoin
Simple, Safe, and Fun Gaming with €1,000 Welcome Bonus for Casino or Sports
August 11
- ✓ Bulgarian players are accepted
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- ✓ Mobile-friendly games · Enjoy playing on smartphones and tablets
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- ✓ Online sports betting
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- ✓ Rating: 3.4/5
- ✓ 58 Game Providers: Play n GO, PariPlay, eBET, Apollo Games, Red Rake, Foxium, Pragmatic Play, Push Gaming, Igrosoft, WorldMatch, DLV, Spigo, and others.
Terms & Conditions apply · Play responsibly
Golden Tiger
Take €1,500 in Bonuses and Win Big with the Golden Tiger’s Luck
August 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 Golden Tiger
- ✓ Over €2,201,884 in Progressive Jackpots
- ✓ Available in multiple languages, including English
- ✓ Tested and certified by Casino Bonus Center · Rating: 4/5
- ✓ 39 Game Providers: Snowborn Games, Flip Five Gaming, Neko Games, SlingShot, Infinity Dragon, Blue Ring Studios, Pragmatic Play, Switch Studios, OnAir Entertainment, Gameburger Studios, Oros Gaming, Almond Gaming, and others.
Terms & Conditions apply · Play responsibly
iWildCasino
Join the Joker’s Playground – Enjoy €4,000 in Rewards!
August 1
- ✓ iWildCasino 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 iWildCasino
- ✓ Available in multiple languages, including English
- ✓ Tested and certified by Casino Bonus Center · Rating: 4.1/5
- ✓ 73 Game Providers: Amusnet, QuickSpin, Platipus, EGT Digital, StakeLogic, Edict, SA Gaming, Spinmatic, 3 Oaks Gaming, MarkorTech, Push Gaming, OctoPlay, and others.
Terms & Conditions apply · Play responsibly
Red Stag Casino
Catch the Winning Spirit with Daily Bitcoin Offers and a $2,500 Welcome Bonus!
July 11
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- ✓ Bonus Code: TENNER
- ✓ Red Stag Casino offers exclusive bonuses for CasinoBonusCenter visitors
- ✓ Bulgarian players are accepted
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- ✓ Mobile-friendly games · Enjoy playing on smartphones and tablets
- ✓ Red Stag Casino is available in English
- ✓ Tested and certified by Casino Bonus Center · Rating: 3.1/5
- ✓ Game Providers: DragonGaming, Arrows Edge, and WGS Technology
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, 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.
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 August 2025. See Current Bonuses at SpinCity
- 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 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 |
Immerion Casino & Sportsbook Built for Winners | Bonus of 100% up to $1,000 + 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 Classic Get 40 Spins for Just €1 | 40 Free Spins |
Captain Cooks Casino Get 100 Chances to be a Millionaire! | 100 Free Spins |
Yukon Gold Casino 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.
