Top casinos with bonuses on second deposit · Page 6 of 15
Terms & Conditions apply · Play responsibly
TombRiches Casino
Explore the splendors of the Ancient World with 200 free spins and up to $2,000 in bonuses!
- ✓ Japanese 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.
Terms & Conditions apply · Play responsibly
Loki Casino
Up to $21,000 bonus & cashback in casino games!
- ✓ Japanese 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 $17 Million 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.
Terms & Conditions apply · Play responsibly
Spellwin
Unleash the Magic– €3,000 in Bonuses + 300 Free Spins and Daily Promotions
- ✓ Japanese 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 Spellwin
- ✓ Online sports betting
- ✓ Available in multiple languages, including English
- ✓ Tested and certified by Casino Bonus Center · Rating: 3.9/5
- ✓ 72 Game Providers: Playson, Habanero, Booming Games, NetEnt, Turbo Games, Yggdrasil Gaming, BF Games, Popiplay, HoGaming, Leap Gaming, Mascot Gaming, ReelPlay, and others.
Terms & Conditions apply · Play responsibly
SpinStar
Race to Win a BMW and enjoy Huge Bonuses on Casino Games and Sports Betting!
- ✓ Japanese 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 SpinStar
- ✓ Online sports betting
- ✓ Available in multiple languages, including English
- ✓ Tested and certified by Casino Bonus Center · Rating: 3.9/5
- ✓ 46 Game Providers: Booming Games, NolimitCity, SpinStar Originals, BGaming, NetEnt, Playzia, Kiron Interactive, Spribe, Blueprint Gaming, Spinomenal, Endorphina, Belatra Games, and others.
Terms & Conditions apply · Play responsibly
Spinarium
Claim Up to $2,250 Instantly or Enjoy a Four-Step Bonus Package
- ✓ Japanese 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 Spinarium
- ✓ Available in multiple languages, including English
- ✓ Rating: 3.9/5
- ✓ 165 Game Providers: Games Global, Realistic Games, BBGames, Neko Games, Playson, Spribe, Atomic Slot Lab, Big Time Gaming, CandleBets, Lightning Box, Golden Rock, Spearhead Studios, and others.
Terms & Conditions apply · Play responsibly
Grand Hotel Casino
A Five-Star Online Casino Experience with $560 in Welcome Offers
- ✓ Japanese players are accepted
- ✓ Accepts Bitcoin and other cryptocurrencies
- ✓ Play instantly in your browser – No installation required · Optional game downloads available
- ✓ Mobile-friendly games · Enjoy playing on smartphones and tablets
- ✓ Live Casino · Play against real croupiers at Grand Hotel Casino
- ✓ Over $3.8 Million in Progressive Jackpots
- ✓ Available in multiple languages, including English
- ✓ Tested and certified by Casino Bonus Center · Rating: 3.8/5
- ✓ 39 Game Providers: Switch Studios, Infinity Dragon, SlingShot, Fortune Factory, Neko Games, Stormcraft, All For One, Just for the Win, Blue Ring Studios, Hammertime Games, Foxium, Circular Arrow, and others.
Terms & Conditions apply · Play responsibly
Wolfy Casino
Enjoy up to $1,000 in Wager-Free Bonuses at Signup!
- ✓ 20 Free Spins · No deposit required
- ✓ Bonus Code: CENTER20
- ✓ Bonus Code: WELCOME
- ✓ Wolfy Casino offers exclusive bonuses for CasinoBonusCenter visitors
- ✓ Japanese 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 Wolfy Casino
- ✓ Available in multiple languages, including English
- ✓ Rating: 3.8/5
- ✓ 108 Game Providers: Play n GO, Gamomat, Atomic Slot Lab, Galaxsys, Nemesis, iSoftBet, Casimi, Blueprint Gaming, Amigo, BGaming, Thunderkick, Oryx Gaming, and others.
Top 10 Online Casino Bonuses in Japan (October 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 October 2025. Zodiac Casino, bitStarz, and SnatchCasino 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 bonuses today!
| Online Casinos Japan | Welcome Bonus |
|---|---|
Zodiac Casino 80チャンスは億万長者になるために! | 80 Free Spins |
bitStarz Claim up to ¥50,000 in Bonuses | Bonus of 100% up to ¥10,000 + 180 Free Spins |
SnatchCasino Casino Fun, Beach Vibes, Gangster Style | Bonus of 225% up to $1,000 + 100 Free Spins |
Casumo Daily slots tournaments | Bonus of 100% up to $400 |
InterCasino $900 Welcome bonus + 110 extra spins! | Bonus of 100% up to $300 + 100 Free Spins |
888Casino Get a Free Spin on the Wish Wheel | Bonus of 100% up to $1,000 |
Betsson Sportsbook, casino, live casino | Bonus of 100% up to $100 + 50 Free Spins |
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 |
betsafe The best games, all in a safe place | Bonus of 100% up to $200 + 200 Free Spins |
EnergyCasino Triple-Powered Welcome Bonus | Bonus of 100% up to ¥25,000 + 400 Free Spins |
* 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.
