Top casinos with bonuses on second deposit · Page 3 of 14

Cleopatra Casino

Discover Cleopatra’s Secret Treasure: €8,000 for New Players

Welcome offer:

100% Bonus up to

€4,000

Bonus on first deposit

Terms & Conditions apply ·  Play responsibly

Cleopatra Casino

Discover Cleopatra’s Secret Treasure: €8,000 for New Players

  • 100% Bonus up to €4,000 with your first deposit (New customers)
  • Bonus available on your second and third deposit
  • Slovenian 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 Cleopatra Casino
  • Over €13,837,183 in Jackpots by Games Global
  • Cleopatra Casino is available in 2 languages: German and English
  • Tested and certified by Casino Bonus Center · Rating: 4.1/5
  • Popularity: This offer has been claimed by 94 visitors so far this month.
  • 77 Game Providers: Playson, Prospect Gaming, Playtech, Evolution Gaming, BGaming, Amigo, Endorphina, Mr Slotty, Lucky Slots, Relax Gaming, G Games, Gamebeat, 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
  • Slovenian 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 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
  • Slovenian 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 SnatchCasino
  • 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.

BCgame

Receive up to a 360% Bonus on every deposit with Unlimited Withdrawals!

Sign-up Bonus:

1

Free Spin

No deposit required

Terms & Conditions apply ·  Play responsibly

BCgame

Receive up to a 360% Bonus on every deposit with Unlimited Withdrawals!

  • 1 Free Spin · No deposit required
  • 180% Bonus up to $20,000 with your first deposit (New customers)
  • Bonus available on your second and third deposit
  • Slovenian 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 BCgame
  • Online sports betting
  • Play poker online at BCgame – Online poker room
  • Available in multiple languages, including English
  • Tested and certified by Casino Bonus Center · Rating: 4.1/5
  • Popularity: This offer has been claimed by 60 visitors so far this month.
  • 72 Game Providers: BC Originals, Belatra Games, TVbet, Live88, JILI, Habanero, NetEnt, Evolution Gaming, FC, Red Rake, Relax Gaming, Platipus, and others.

1Red Casino

Big rewards for newcomers and High Rollers

Welcome offer:

100% Bonus up to

€3,000

+ 50 Free Spins

Bonus on first deposit

Terms & Conditions apply ·  Play responsibly

1Red Casino

Big rewards for newcomers and High Rollers

  • 100% Bonus up to €3,000 + 50 Free Spins with your first deposit (New customers)
  • Bonus Code: ONERED
  • Bonus available on your second and third deposit
  • Slovenian 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 1Red Casino
  • Online sports betting
  • Over €13,837,183 in Jackpots by Games Global
  • Available in multiple languages, including English
  • Tested and certified by Casino Bonus Center · Rating: 4.1/5
  • 88 Game Providers: BGaming, Push Gaming, SmartSoft Gaming, Eurasian Gaming, Red Rake, Evolution Gaming, Gamebeat, Playson, Atmosfera, Red Tiger, NolimitCity, Woohoo Games, and others.

CasinoJoy

Join the tropical party vibes and claim a €6,000 Welcome Package!

Welcome offer:

200% Bonus up to

€3,000

+ 200 Free Spins

Bonus on first deposit

Terms & Conditions apply ·  Play responsibly

CasinoJoy

Join the tropical party vibes and claim a €6,000 Welcome Package!

  • 200% Bonus up to €3,000 + 200 Free Spins with your first deposit (New customers)
  • Bonus available on your second and third deposit
  • CasinoJoy offers exclusive bonuses for CasinoBonusCenter visitors
  • Slovenian 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 CasinoJoy
  • 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 119 visitors so far this month.
  • 75 Game Providers: BetSoft, Leander Games, Ezugi, Evolution Gaming, VIVO Gaming, Pascal Gaming, Relax Gaming, Betradar, Fugaso, Habanero, Gamzix, Amusnet, and others.

Immerion

Claim Up to $4,000 + 250 Free Spins - Join the Engine of Fortune for a Chance to Win up to 5 BTC

Welcome offer:

100% Bonus up to

$1,000

+ 100 Free Spins

Bonus on first deposit

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

  • 100% Bonus up to $1,000 + 100 Free Spins with your first deposit (New customers)
  • Bonus available on your second and third deposit
  • Slovenian 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.

Top 10 Online Casino Bonuses in Slovenia (August 2025)

Expert-Rated Real Money Casinos with Top Bonuses

Looking for the best online casinos in Slovenia? Our expert team has tested and reviewed hundreds of real money gambling sites to bring you the top 10 choices for August 2025. Casino Classic, ZotaBet, and Wazamba 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 Slovenia

Curious which brands stand out among Slovenian 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. KingSpin Casino – Ranked as the #1 most popular online casino among Slovenian players this month. Check why KingSpin Casino is so popular in Slovenia
  2. Rich Palms – Holds the #2 spot in popularity with Slovenian players for August 2025. See Current Bonuses at Rich Palms
  3. Casino Kingdom – Currently ranked #3 among Slovenia’s most played online casinos. View Available Promotions at Casino Kingdom

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

Online Casinos SloveniaWelcome Bonus

Get 40 Spins for Just €1

40 Free Spins

Up to €6,000 Bonus · Unlimited VIP Betting!

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Big bonuses, Live casino, and Sports

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

Casino Fun, Beach Vibes, Gangster Style

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

40 chances to become a millionaire for €1

40 Free Spins

Join the Boss’s Inner Circle for Big Wins!

Bonus of 200% up to €300 + 50 Free Spins

Unleash 200 Free Spins Today!

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€200 bonus + 10 free spins on Vegas

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Get 150 chances to become a millionaire

150 Free Spins

Claim up to €500 in Bonuses

Bonus of 100% up to €100 + 180 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 Slovenian players to ensure you get the biggest sign-up bonuses, top-tier games, and the most rewarding loyalty programs.