The most popular bonuses in Japan - May 2020
Based on the number of visits received by each gaming site in May 2020, here is the list of the 21 most popular online casinos listed at CasinoBonusCenter.com
Zodiac Casino
Get 80 chances to become a millionaire for just $1
- A 2000% bonus: $ 20 extra with your first deposit
- Downloadable software, in-browser games and games for smartphones
- Games developed by Microgaming, Evolution Gaming, Real Dealer Studios and others
Unique Casino
Exclusive bonus: 25 Free spins | $200 + 20 Extra free spins on first deposit!
- 25 Free Spins | No deposit required
- A 100% bonus up to up to $ 200 + 20 Free Spins with your first deposit
- In-browser games for computers and mobiles - No download required
Grand Mondial Casino
Get 150 chances to become an instant millionaire for only $10
- A 375% bonus: $ 37.50 extra with your first deposit
- Downloadable software, in-browser games and games for smartphones
- Games developed by Microgaming, Fortune Factory, Foxium and others
Page 1 of 3 - 21 bonuses
Winorama
Bonus:
70
Free Spins
No deposit required
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Unfortunately, visitors located in USA will not be able to register on any gambling website through links provided by CasinoBonusCenter.com.
Winorama
70 Free Spins - Spin more, win more!
- 70 Free Spins - No deposit required (New customers)
- A 100% bonus up to $ 200 extra with your first deposit (New customers)
- Japanese players are accepted (Change Country)
- In-browser games - No download required
- Games for mobile devices - Play casino games on your smartphone or tablet
- Tested and certified by Casino Bonus Center
- Popularity: This promotion has been claimed by 3901 visitors during this month of May
Software: NetoPlay
Gratorama
Bonus:
70
Free Spins
No deposit required
It appears that you are located in the United States
Unfortunately, visitors located in USA will not be able to register on any gambling website through links provided by CasinoBonusCenter.com.
Gratorama
70 Free Spins plus a $200 welcome bonus
- 70 Free Spins - No deposit required (New customers)
- A 100% bonus up to $ 200 extra with your first deposit (New customers)
- Japanese players are accepted (Change Country)
- In-browser games - No download required
- Games for mobile devices - Play casino games on your smartphone or tablet
- Tested and certified by Casino Bonus Center
- Popularity: This promotion has been claimed by 2613 visitors during this month of May
Software: NetoPlay
Winward Casino
Bonus:
50
Free Spins
No deposit required
It appears that you are located in the United States
Unfortunately, visitors located in USA will not be able to register on any gambling website through links provided by CasinoBonusCenter.com.
Winward Casino
A slot-machine experience like no other! Get up to $7500 in bonuses + 160 free spins!
- 50 Free Spins - No deposit required (New customers)
- A 200% bonus up to $ 2,000 extra + 30 Free Spins with your first deposit (New customers)
- Bonus available on your second purchase
- Bonus available on your third deposit
- Japanese players are accepted (Change Country)
- In-browser games - No download required
- Games for mobile devices - Play casino games on your smartphone or tablet
- Live casino - Play against real croupiers at Winward Casino
- Tested and certified by Casino Bonus Center
- Popularity: This promotion has been claimed by 2230 visitors during this month of May
Software: Pragmatic Play, BetSoft, Octopus Gaming, VIVO Gaming, Visionary iGaming and Habanero
Casino Classic
Bonus:
1
Free Spins
No deposit required
New Customer Offer | 18+ | Gamble Responsibly | Terms & Conditions Apply
It appears that you are located in the United States
Unfortunately, visitors located in USA will not be able to register on any gambling website through links provided by CasinoBonusCenter.com.
Casino Classic
40 chances to become a millionaire for only $1 - Your first shot is free!
- 1 Free Spins - No deposit required (New customers)
- Up to 40 Free Spins with your first deposit (New customers)
- Bonus available on your second purchase
- Japanese players are accepted (Change Country)
- In-browser games - No download required
- Downloadable games are also available
- Games for mobile devices - Play casino games on your smartphone or tablet
- Live casino - Play against real croupiers at Casino Classic
- Microgaming progressive jackpots available. Microgaming jackpots total: $ 6,752,156.67
- Tested and certified by Casino Bonus Center
- Popularity: This promotion has been claimed by 1777 visitors during this month of May
Software: Microgaming, Rabcat, Just for the Win, MahiGaming, SlingShot, Stormcraft, Triple Edge, Fortune Factory, Pulse 8 Studios, All41 Studios, Alchemy Gaming, SpinPlay Games, Snowborn Games, Gold Coin Studios, Neon Valley, Gameburger Studios, Switch Studios, Evolution Gaming, Crazy Tooth, Real Dealer Studios and Foxium
ScratchMania
Bonus:
$ 7
No deposit required
It appears that you are located in the United States
Unfortunately, visitors located in USA will not be able to register on any gambling website through links provided by CasinoBonusCenter.com.
ScratchMania
$7 Free Bonus | ScratchCards and Slot Machines!
- $ 7 Free! - No deposit required (New customers)
- A 100% bonus up to $ 200 extra with your first deposit (New customers)
- Japanese players are accepted (Change Country)
- In-browser games - No download required
- Games for mobile devices - Play casino games on your smartphone or tablet
- Tested and certified by Casino Bonus Center
- Popularity: This promotion has been claimed by 1650 visitors during this month of May
Software: NetoPlay
Sloto Cash
Bonus:
$ 31
No deposit required
It appears that you are located in the United States
Unfortunately, visitors located in USA will not be able to register on any gambling website through links provided by CasinoBonusCenter.com.
Sloto Cash
$7,777 Welcome bonus + 300 free spins
- $ 31 Free! - No deposit required (New customers)
- A 200% bonus up to $ 2,000 extra + 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 (Change Country)
- Biggest jackpot available: $3,694,927.97 | Game: Aztec's Millions
- In-browser games - No download required
- Downloadable games are also available
- Games for mobile devices - Play casino games on your smartphone or tablet
- Live casino - Play against real croupiers at Sloto Cash
- Tested and certified by Casino Bonus Center
- Popularity: This promotion has been claimed by 1446 visitors during this month of May
Software: RTG and Visionary iGaming
Zodiac Casino
Signup bonus:
2000% bonus
$ 20
Bonus on first deposit
New Customer Offer | 18+ | Gamble Responsibly | Terms & Conditions Apply
It appears that you are located in the United States
Unfortunately, visitors located in USA will not be able to register on any gambling website through links provided by CasinoBonusCenter.com.
Zodiac Casino
Get 80 chances to become a millionaire for just $1
- A 2000% bonus: $ 20 extra with your first deposit (New customers)
- Bonus available on your second purchase
- Bonus available on your third deposit
- Japanese players are accepted (Change Country)
- In-browser games - No download required
- 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
- Microgaming progressive jackpots available. Microgaming jackpots total: $ 6,752,156.67
- Tested and certified by Casino Bonus Center
- Popularity: This promotion has been claimed by 1374 visitors during this month of May
Software: Microgaming, Evolution Gaming, Real Dealer Studios, Foxium, Rabcat, SpinPlay Games, Snowborn Games, Just for the Win, Stormcraft, Triple Edge, Fortune Factory, MahiGaming, SlingShot, Alchemy Gaming, Neon Valley, Gameburger Studios, Pulse 8 Studios, All41 Studios and Switch Studios
Not available in the United States
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We do not intend that anyone should use the links or the information contained on CasinoBonusCenter.com where such use is illegal, for that reason, visitors located in the United States will not be able to register on any gambling website through links provided by CasinoBonusCenter.com.
In any case, You accept sole responsibility for determining whether your use of the website is legal in the jurisdiction where you live.
