Top casinos with bonuses on second deposit

888Casino

Get up to $1,000 in bonus with your first deposit

Sign-up Bonus:

1

free spin

No deposit required

Terms & Conditions apply ·  Play responsibly

Access restricted in the United States

We regret to inform you that 888Casino is not currently accepting registrations from users in the United States.

Click to select your country and customize your experience 

888Casino

Get up to $1,000 in bonus with your first deposit

  • 1 free spin · No deposit required
  • 100% bonus up to $1,000 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
  • Downloadable games are also available
  • Games for mobile devices · Play casino games on your smartphone or tablet
  • Live Casino · Play against real croupiers at 888Casino
  • Online sports betting
  • Play poker online at 888Casino – Online poker room
  • Tested and certified by Casino Bonus Center · Rating: 4.9/5
  • Popularity: This offer has been claimed by 108 visitors so far this month.
  • 26 Game Providers: Playtech, Section8, NetEnt, Williams Interactive, Big Time Gaming, Play n GO, Wizard Games, Electracade, GTECH G2, Amaya Cryptologic, GTS, Pragmatic Play, and others.

*Please note that 888Casino is not available in the United States.

Betsson

Sports betting, online casino, poker, scratch cards and more!

Welcome offer:

100% Bonus up to

$100

+ 50 free spins

Bonus on first deposit

Terms & Conditions apply ·  Play responsibly

Access restricted in the United States

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

Click to select your country and customize your experience 

Betsson

Sports betting, online casino, poker, scratch cards and more!

  • 100% bonus up to $100 + 50 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 Betsson
  • Online sports betting
  • Play poker online at Betsson – Online poker room
  • Tested and certified by Casino Bonus Center · Rating: 4.8/5
  • Popularity: This offer has been claimed by 82 visitors so far this month.
  • 95 Game Providers: Light and Wonder, Playson, Blueprint Gaming, Old Skool, Slingo Originals, Gamomat, Leander Games, High 5, Genesis, Side City Studios, iSoftBet, RELIGA, and others.

*Please note that Betsson 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.

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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 $8,659,233 in progressive jackpots
  • Tested and certified by Casino Bonus Center · Rating: 4.6/5
  • Popularity: This offer has been claimed by 199 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.

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

bitStarz

Claim 180 Free Spins, Up to ¥50,000 in Bonuses + 20 no-deposit free spins!

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 + 20 no-deposit free spins!

  • 20 free spins · No deposit required
  • 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 $15,879,649 in Jackpots by Games Global
  • Tested and certified by Casino Bonus Center · Rating: 4.6/5
  • Popularity: This offer has been claimed by 114 visitors so far this month.
  • 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.

Grand Mondial

ジャックポットが当たる150回のチャンスをゲット

Welcome offer:

150

free spins

Bonus on first deposit

Terms & Conditions apply ·  Play responsibly

Access restricted in the United States

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

Click to select your country and customize your experience 

Grand Mondial

ジャックポットが当たる150回のチャンスをゲット

  • 150 free spins with your first deposit (New customers)
  • Bonus available on your second purchase
  • 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 Grand Mondial
  • Over $8,659,233 in progressive jackpots
  • Tested and certified by Casino Bonus Center · Rating: 4.5/5
  • Popularity: This offer has been claimed by 116 visitors so far this month.
  • 39 Game Providers: Gold Coin Studios, Blue Ring Studios, Nailed It!, Just for the Win, Triple Edge, Ino Games, High Limit Studio, Wishbone Games, Games Global, All For One, Switch Studios, Flip Five Gaming, and others.

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

EnergyCasino

Enjoy 30 free spins plus a $400 welcome package

Sign-up Bonus:

30

free spins

No deposit required

Significant terms: 18+. 30 Free spins (Spins value: $0.10) on Book of Dead™ slot machine available once, to new customers who register at EnergyCasino using the promotional link. Maximum winnings $100. Spins expire after 7 days. · Terms & Conditions apply  ·  Play responsibly

Access restricted in the United States

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

Click to select your country and customize your experience 

EnergyCasino

Enjoy 30 free spins plus a $400 welcome package

  • 30 free spins · No deposit required
  • 100% bonus up to $200 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 EnergyCasino
  • Over $15,879,649 in Jackpots by Games Global
  • Tested and certified by Casino Bonus Center · Rating: 4.4/5
  • Popularity: This offer has been claimed by 260 visitors so far this month.
  • 65 Game Providers: Pragmatic Play, NetEnt, NetGaming, Evoplay, Play n GO, Big Time Gaming, Merkur Gaming, NolimitCity, BF Games, Bally Wulff, Just for the Win, Iron Dog Studio, and others.

*Please note that EnergyCasino 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!

  • 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 139 visitors so far this month.
  • 87 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.

Top 10 Online Casinos in Japan (March 2025)

Expert-Rated Real Money Casinos with Top Bonuses

Looking for the best online casinos in Japan? Our expert team has tested and reviewed hundreds of real money gambling sites to bring you the top 10 choices for March 2025. Zodiac Casino, bitStarz, 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.

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

Online Casinos JapanWelcome Bonus
80 free spins
Bonus of 100% up to ¥10,000 and 180 free spins
Bonus of 100% up to $500 and 100 free spins
Bonus of 100% up to $400
Bonus of 100% up to $300 and 100 free spins
Bonus of 100% up to $1,000
Bonus of 100% up to $100 and 50 free spins
150 free spins
Bonus of 100% up to $200 and 200 free spins
Bonus of 100% up to $200

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

Restrictions for the United States

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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.