Top Online Casinos in Japan for February 2025

Casumo

Amazing bonuses and daily video slots tournaments!

Welcome offer:

100% Bonus up to

$400

Bonus on first deposit

Terms & Conditions apply ·  Play responsibly

Access restricted in the United States

We regret to inform you that Casumo is not currently accepting registrations from users in the United States.

Click to select your country and customize your experience 

Casumo

Amazing bonuses and daily video slots tournaments!

  • A 100% bonus up to $400 with your first deposit (New customers)
  • Bonus available on your second purchase
  • Japanese players are accepted
  • Play directly in your browser – No software installation needed
  • Games for mobile devices · Play casino games on your smartphone or tablet
  • Live Casino · Play against real croupiers at Casumo
  • Online sports betting
  • Tested and certified by Casino Bonus Center · Rating: 4/5
  • 35 Game Providers: Merkur Gaming, IGT Interactive, Red Tiger, Thunderkick, Games Global, Playtech, ELK Studios, Slingo Originals, NYX Interactive, Bally Interactive, QuickSpin, Fortune Factory, and others.

*Please note that Casumo is not available in the United States.

bitStarz

Claim 180 Free Spins, Up to ¥50,000 in Bonuses, and Your Chance to Take Home a Tesla Model Y!

Sign-up Bonus:

20

free spins

No deposit required

Terms & Conditions apply ·  Play responsibly

Access restricted in the United States

We regret to inform you that bitStarz is not currently accepting registrations from users in the United States.

Click to select your country and customize your experience 

bitStarz

Claim 180 Free Spins, Up to ¥50,000 in Bonuses, and Your Chance to Take Home a Tesla Model Y!

  • 20 free spins · No deposit required
  • A 100% bonus up to ¥10,000 + 180 free spins with your first deposit (New customers)
  • Bonus available on your second purchase
  • Bonus available on your third deposit
  • Japanese players are accepted
  • Exclusive biggest bonuses for Japanese players
  • Accepts Bitcoin and other cryptocurrencies
  • Play directly in your browser – No software installation needed
  • Games for mobile devices · Play casino games on your smartphone or tablet
  • Live Casino · Play against real croupiers at bitStarz
  • Over $12,522,816 in Jackpots by Games Global
  • Tested and certified by Casino Bonus Center · Rating: 4.6/5
  • 91 Game Providers: BitStarz Originals, Slotopia, Big Time Gaming, Playson, Boomerang Studios, NetEnt, Blue Guru Games, Playtech, VIVO Gaming, Gaming Corps, Booongo, Onlyplay, and others.

*Please note that bitStarz is not available in the United States.

King Billy Casino

250 free spins with your first deposits and massive bonuses up to $2,500!

Welcome offer:

100% Bonus up to

$500

+ 100 free spins

Bonus on first deposit

Terms & Conditions apply ·  Play responsibly

Access restricted in the United States

We regret to inform you that King Billy Casino is not currently accepting registrations from users in the United States.

Click to select your country and customize your experience 

King Billy Casino

250 free spins with your first deposits and massive bonuses up to $2,500!

  • A 100% bonus up to $500 + 100 free spins with your first deposit (New customers)
  • Bonus available on your second purchase
  • Bonus available on your third deposit
  • Japanese players are accepted
  • Accepts Bitcoin and other cryptocurrencies
  • Play directly in your browser – No software installation needed
  • Games for mobile devices · Play casino games on your smartphone or tablet
  • Live Casino · Play against real croupiers at King Billy Casino
  • Tested and certified by Casino Bonus Center · Rating: 4.4/5
  • Popularity: This offer has been claimed by 30 visitors so far this month.
  • 86 Game Providers: Games Global, Yggdrasil Gaming, Booming Games, Play n GO, Relax Gaming, Peter and Sons, TVbet, Spinomenal, NorthernLights Gaming, Lucky Slots, Belatra Games, Eurasian Gaming, and others.

*Please note that King Billy Casino is not available in the United States.

Zodiac Casino

80チャンスは億万長者になるために!

Welcome offer:

80

free spins

Bonus on first deposit

Terms & Conditions apply ·  Play responsibly

Access restricted in the United States

We regret to inform you that Zodiac Casino is not currently accepting registrations from users in the United States.

Click to select your country and customize your experience 

Zodiac Casino

80チャンスは億万長者になるために!

  • 80 free spins with your first deposit (New customers)
  • Bonus available on your second purchase
  • Bonus available on your third deposit
  • Japanese players are accepted
  • Accepts Bitcoin and other cryptocurrencies
  • Play directly in your browser – No software installation needed
  • Downloadable games are also available
  • Games for mobile devices · Play casino games on your smartphone or tablet
  • Live Casino · Play against real croupiers at Zodiac Casino
  • Over $6,784,143 in progressive jackpots
  • Tested and certified by Casino Bonus Center · Rating: 4.6/5
  • 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.

*Please note that Zodiac Casino is not available in the United States.

InterCasino

$900 welcome bonus plus 110 free spins on different games!

Welcome offer:

100% Bonus up to

$300

+ 100 free spins

Bonus on first deposit

Terms & Conditions apply ·  Play responsibly

Access restricted in the United States

We regret to inform you that InterCasino is not currently accepting registrations from users in the United States.

Click to select your country and customize your experience 

InterCasino

$900 welcome bonus plus 110 free spins on different games!

  • A 100% bonus up to $300 + 100 free spins with your first deposit (New customers)
  • Bonus available on your second purchase
  • Bonus available on your third deposit
  • Japanese players are accepted
  • Play directly in your browser – No software installation needed
  • Games for mobile devices · Play casino games on your smartphone or tablet
  • Live Casino · Play against real croupiers at InterCasino
  • Tested and certified by Casino Bonus Center · Rating: 3.1/5
  • 13 Game Providers: NetEnt, BetSoft, Games Global, NextGen Gaming, QuickSpin, Yggdrasil Gaming, IGT Interactive, Pragmatic Play, Thunderkick, Leander Games, Evolution Gaming, Play n GO, and Realistic Games

*Please note that InterCasino is not available in the United States.

Casino Share

Up to $500 in bonuses to take a shot at the Biggest Jackpots!

Welcome offer:

100% Bonus up to

$150

Bonus on first deposit

Terms & Conditions apply ·  Play responsibly

Access restricted in the United States

We regret to inform you that Casino Share is not currently accepting registrations from users in the United States.

Click to select your country and customize your experience 

Casino Share

Up to $500 in bonuses to take a shot at the Biggest Jackpots!

  • A 100% bonus up to $150 with your first deposit (New customers)
  • Bonus available on your second purchase
  • Bonus available on your third deposit
  • Japanese players are accepted
  • Accepts Bitcoin and other cryptocurrencies
  • Play directly in your browser – No software installation needed
  • Downloadable games are also available
  • Not optimized for mobile devices
  • Over $6,784,143 in progressive jackpots
  • Tested and certified by Casino Bonus Center · Rating: 3.4/5
  • 39 Game Providers: Alchemy Gaming, Flip Five Gaming, Stormcraft, Half Pixel, Buck Stakes, Area Vegas, Wishbone Games, Circular Arrow, Gameburger Studios, Infinity Dragon, Coin Machine Gaming, Just for the Win, and others.

*Please note that Casino Share is not available in the United States.

Colosseum Casino

Get a colossal welcome package - $750 in Bonuses!

Welcome offer:

100% Bonus up to

$100

Bonus on first deposit

Terms & Conditions apply ·  Play responsibly

Access restricted in the United States

We regret to inform you that Colosseum Casino is not currently accepting registrations from users in the United States.

Click to select your country and customize your experience 

Colosseum Casino

Get a colossal welcome package - $750 in Bonuses!

  • A 100% bonus up to $100 with your first deposit (New customers)
  • Bonus available on your second purchase
  • Bonus available on your third deposit
  • Japanese players are accepted
  • Accepts Bitcoin and other cryptocurrencies
  • Play directly in your browser – No software installation needed
  • Downloadable games are also available
  • Games for mobile devices · Play casino games on your smartphone or tablet
  • Live Casino · Play against real croupiers at Colosseum Casino
  • Over $6,784,143 in progressive jackpots
  • Tested and certified by Casino Bonus Center · Rating: 3.5/5
  • 39 Game Providers: Alchemy Gaming, Gold Coin Studios, SpinPlay Games, Snowborn Games, High Limit Studio, Just for the Win, Nailed It!, Barstruck, Almond Gaming, NorthernLights Gaming, Real Dealer Studios, All For One, and others.

*Please note that Colosseum Casino is not available in the United States.

Welcome to Casino Bonus Center

Established in 2006, CasinoBonusCenter.com is one of the longest-running and most trusted casino review and bonus portals online. With nearly two decades of expertise, it has become a leading source for reliable and comprehensive online gambling information. Offering accurate expert ratings, exclusive casino bonuses, and detailed reviews of hundreds of online casinos, Casino Bonus Center empowers players—whether playing for fun or real money—to make informed decisions and elevate their gaming experience.

Explore Online Casinos for Japanese players

Dive into our carefully selected library featuring 140 online casinos available in Japan. Each review is crafted with expertise, offering insights into game quality, bonuses and promotions, casino reliability, and user experience. Make an informed choice and play your favorite casino games, either for free or with real money stakes.

No-Deposit Casino Bonuses

Looking for a risk-free start? Check out our comprehensive list of no-deposit bonuses. From free spins to free money to play with, our very popular No-deposit-required Chart of Bonuses  provides a variety of options tailored for Japanese players. Experience the thrill of online casinos without opening your wallet, and if luck is on your side, keep your winnings!

Best Welcome Bonuses

Ready to elevate your gaming? Our directory is filled with the most lucrative welcome bonuses for Japanese players, offering over $96,900 in bonuses and thousands of free spins for your first deposits. Don’t miss out on these exclusive offers! Trust our expert reviews to guide you to the best deals and premium online casinos today.

Discover top-rated online casinos with the best offers this month. Our curated list ensures you access the most generous promotions and trusted casinos. From exclusive welcome packages to exciting no deposit offers, start your gaming journey with the finest online casino bonuses available in Japan.

Top-Rated Casino Bonuses in Japan

Join Us at Casino Bonus Center

Begin your adventure at Casino Bonus Center where trust and expert guidance meet the excitement of online gambling. Browse our favorites, pick your next destination, and let the games begin!

Restrictions for the United States

Online gambling laws vary across U.S. states. Some have deemed it illegal, others have yet to address its legality, and a few have regulated and legalized it.

CasinoBonusCenter.com does not endorse or facilitate the use of its links or information in regions where it's considered illegal.

Regardless of these provisions, it remains your responsibility to ascertain the legality of using this website based on your jurisdiction.