Top casinos with bonuses on second deposit · Page 4 of 11

Merlin Casino

Feel the Spell of Big Wins with Wager-Free Bonuses, Free Spins & Daily Promotions

Sign-up Bonus:

20

Free Spins

No deposit required

Regler og vilkår gælder ·  Min. 18 år · Spil ansvarligt · ROFUS.nu  · StopSpillet.dk 

Merlin Casino

Feel the Spell of Big Wins with Wager-Free Bonuses, Free Spins & Daily Promotions

  • 20 Free Spins · No deposit required
  • Bonus Code: SPINS20
  • 120% Bonus up to €240 + 100 Free Spins with your first deposit (New customers)
  • Bonus available on your second and third deposit
  • Merlin Casino offers exclusive bonuses for CasinoBonusCenter visitors
  • Danish 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 Merlin Casino
  • Online sports betting
  • Available in multiple languages, including English
  • Rating: 3.9/5
  • Popularity: This offer has been claimed by 327 visitors so far this month.
  • 125 Game Providers: Wizard Games, Peter and Sons, Betsolutions, Aviatrix, Yggdrasil Gaming, Eurasian Gaming, Nemesis, SpinLogic, Red Rake, Mr Slotty, UpGaming, Fazi Interactive, and others.

AllStarz Casino

Start Your Gaming Journey with a Stellar €1,200 Bonus + 300 Free Spins!

Welcome offer:

100% Bonus up to

€300

+ 100 Free Spins

Bonus on first deposit

Regler og vilkår gælder ·  Min. 18 år · Spil ansvarligt · ROFUS.nu  · StopSpillet.dk 

AllStarz Casino

Start Your Gaming Journey with a Stellar €1,200 Bonus + 300 Free Spins!

  • 100% Bonus up to €300 + 100 Free Spins with your first deposit (New customers)
  • Bonus available on your second and third deposit
  • Danish 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 AllStarz Casino
  • Over €13,842,692 in Jackpots by Games Global
  • Available in multiple languages, including English
  • Rating: 3.9/5
  • 70 Game Providers: Pragmatic Play, Thunderkick, SpadeGaming, Booming Games, Felix Gaming, Playson, 1X2gaming, Fugaso, Playpearls, Leap Gaming, Red Tiger, Novomatic, and others.

Hell Spin

Welcome to Hell! Ignite Your Gameplay with €400 in Bonuses + 150 Free Spins!

Sign-up Bonus:

15

Free Spins

No deposit required

Regler og vilkår gælder ·  Min. 18 år · Spil ansvarligt · ROFUS.nu  · StopSpillet.dk 

Hell Spin

Welcome to Hell! Ignite Your Gameplay with €400 in Bonuses + 150 Free Spins!

  • 15 Free Spins · No deposit required
  • Bonus Code: HELLSPIN15
  • 100% Bonus up to €100 + 100 Free Spins with your first deposit (New customers)
  • Bonus available on your second and third deposit
  • Hell Spin offers exclusive bonuses for CasinoBonusCenter visitors
  • Danish 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 Hell Spin
  • Available in multiple languages, including English
  • Tested and certified by Casino Bonus Center · Rating: 3.9/5
  • Popularity: This offer has been claimed by 33 visitors so far this month.
  • 71 Game Providers: Hacksaw Gaming, Genii, Games Global, LiveGames, Evolution Gaming, Spinomenal, Evoplay, Platipus, UpGaming, NetGame, Eurasian Gaming, Leander Games, and others.

TombRiches Casino

Explore the splendors of the Ancient World with 200 free spins and up to €2,000 in bonuses!

Welcome offer:

100% Bonus up to

€500

+ 100 Free Spins

Bonus on first deposit

Regler og vilkår gælder ·  Min. 18 år · Spil ansvarligt · ROFUS.nu  · StopSpillet.dk 

TombRiches Casino

Explore the splendors of the Ancient World with 200 free spins and up to €2,000 in bonuses!

  • 100% Bonus up to €500 + 100 Free Spins with your first deposit (New customers)
  • Bonus available on your second and third deposit
  • Danish 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 TombRiches Casino
  • TombRiches Casino is available in 3 languages: German, English, and French
  • Tested and certified by Casino Bonus Center · Rating: 3.9/5
  • 93 Game Providers: BGaming, Play n GO, Belatra Games, Gamebeat, Felix Gaming, Oryx Gaming, Betsolutions, Spinmatic, 1spin4win, 5Men Games, RubyPlay, Skywind, and others.

Spinline

800 Free Spins, 15,000 kr Welcome Package, and High-Roller VIP Bonuses

Welcome offer:

100% Bonus up to

2,250 kr

+ 200 Free Spins

Bonus on first deposit

Regler og vilkår gælder ·  Min. 18 år · Spil ansvarligt · ROFUS.nu  · StopSpillet.dk 

Spinline

800 Free Spins, 15,000 kr Welcome Package, and High-Roller VIP Bonuses

  • 100% Bonus up to 2,250 kr + 200 Free Spins with your first deposit (New customers)
  • Bonus available on your second and third deposit
  • Danish 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 Spinline
  • Available in multiple languages, including English
  • Rating: 3.9/5
  • 105 Game Providers: Triple Cherry, Belatra Games, MGA Games, Fugaso, BetSoft, Iron Dog Studio, Amusnet, Atmosfera, Swintt, Hacksaw Gaming, Gamzix, GMW, and others.

Loki Casino

Up to €21,000 bonus & cashback in casino games!

Welcome offer:

125% Bonus up to

€7,000

+ 100 Free Spins

Bonus on first deposit

Regler og vilkår gælder ·  Min. 18 år · Spil ansvarligt · ROFUS.nu  · StopSpillet.dk 

Loki Casino

Up to €21,000 bonus & cashback in casino games!

  • 125% Bonus up to €7,000 + 100 Free Spins with your first deposit (New customers)
  • Bonus available on your second and third deposit
  • Danish 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 Loki Casino
  • Over €13,842,692 in Jackpots by Games Global
  • Available in multiple languages, including English
  • Tested and certified by Casino Bonus Center · Rating: 3.9/5
  • 86 Game Providers: Play n GO, Amusnet, ELK Studios, Ortiz, G Games, Kiron Interactive, Booming Games, Nucleus Gaming, Wazdan, Revolver Gaming, Gaming Corps, BF Games, and others.

Hugo Casino

Kick off with a blast - Grab 275 free spins and up to 4,500 kr in bonuses today!

Welcome offer:

100% Bonus up to

1,200 kr

+ 100 Free Spins

Bonus on first deposit

Regler og vilkår gælder ·  Min. 18 år · Spil ansvarligt · ROFUS.nu  · StopSpillet.dk 

Hugo Casino

Kick off with a blast - Grab 275 free spins and up to 4,500 kr in bonuses today!

  • 100% Bonus up to 1,200 kr + 100 Free Spins with your first deposit (New customers)
  • Bonus available on your second and third deposit
  • Danish 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 Hugo Casino
  • Available in multiple languages, including English
  • Tested and certified by Casino Bonus Center · Rating: 3.9/5
  • 99 Game Providers: Yggdrasil Gaming, CandleBets, Play n GO, Spinthon, Golden Hero, Hölle Games, KA Gaming, Evolution Gaming, Spinomenal, Merkur Gaming, 7Mojos, Playtech, and others.

Top 10 Online Casino Bonuses in Denmark (August 2025)

Expert-Rated Real Money Casinos with Top Bonuses

Looking for the best online casinos in Denmark? Our expert team has tested and reviewed hundreds of real money gambling sites to bring you the top 10 choices for August 2025. Playfina, NordicBet, and King Billy 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 Denmark

Curious which brands stand out among Danish 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 Danish players this month. Check why KingSpin Casino is so popular in Denmark
  2. bitStarz – Holds the #2 spot in popularity with Danish players for August 2025. See Current Bonuses at bitStarz
  3. iLucki – Currently ranked #3 among Denmark’s most played online casinos. View Available Promotions at iLucki

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

Online Casinos DenmarkWelcome Bonus

Bonus up to €3,500 + 1,000 Free Spins

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

Sportsbook · Casino · Awesome bonuses

Bonus of 100% up to 100 kr

€2,500 Welcome Bonus + 250 Free Spins!

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

Get 50 free spins paid in cash!

50 Free Spins

Get 200 free spins!

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

Unearth hidden treasures

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

Join the Boss’s Inner Circle for Big Wins!

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

€200 bonus + 10 free spins on Vegas

Bonus of 100% up to 1,000 kr + 10 Free Spins

Sportsbook, casino, live casino

Bonus of 100% up to €100 + 50 Free Spins

Claim up to €500 in Bonuses

Bonus of 100% up to €100 + 180 Free Spins

* Terms & Conditions Apply ·  Min. 18 år · Spil ansvarligt · ROFUS.nu  · StopSpillet.dk 

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 Danish players to ensure you get the biggest sign-up bonuses, top-tier games, and the most rewarding loyalty programs.