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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 April 2025. bitStarz, Zodiac Casino, 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.
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| Online Casinos Japan | Welcome Bonus |
|---|---|
bitStarz | Bonus of 100% up to ¥10,000 and 180 free spins |
Zodiac Casino | 80 free spins |
King Billy Casino | Bonus of 100% up to $500 and 100 free spins |
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888Casino | Bonus of 100% up to $1,000 |
Betsson | Bonus of 100% up to $100 and 50 free spins |
betsafe | Bonus of 100% up to $200 and 200 free spins |
Grand Mondial | 150 free spins |
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