Latest Casino Bonuses for January 2026
Terms & Conditions apply · Play responsibly
Spinarium
Claim Up to $7,500 Instantly or Enjoy a Four-Step Bonus Package
Jan 2, 2026
- ✓ 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
- ✓ Online sports betting
- ✓ 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
TikTok Casino
Up to €750 in Bonuses + 200 Free Spins on Aviator
Dec 30, 2025
- ✓ 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 TikTok Casino
- ✓ Online sports betting
- ✓ Available in multiple languages, including English
- ✓ Rating: 3.6/5
- ✓ 135 Game Providers: Playson, Lightning Box, Electric Elephant, Realistic Games, RedStone, Amigo, Genii, Alchemy Gaming, 1X2gaming, LiveGames, Booongo, Pulse 8 Studios, and others.
Terms & Conditions apply · Play responsibly
Rockstar Casino
Play to the Rhythm of Big Wins – Get €5,000 in Bonuses and 400 Free Spins
Dec 29, 2025
- ✓ 50 Free Spins · No deposit required
- ✓ Bonus Code: CENTER50
- ✓ Rockstar 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 Rockstar Casino
- ✓ Available in multiple languages, including English
- ✓ Rating: 3.6/5
- ✓ 37 Game Providers: Pragmatic Play, GameArt, Playtech, Play n GO, Playson, BetSoft, Mascot Gaming, Hacksaw Gaming, NetEnt, Spinomenal, TaDa Gaming, 3 Oaks Gaming, and others.
Terms & Conditions apply · Play responsibly
iWildCasino
Join the Joker’s Playground – Enjoy $4,000 in Rewards!
Dec 16, 2025
- ✓ iWildCasino 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 iWildCasino
- ✓ Available in multiple languages, including English
- ✓ Tested and certified by Casino Bonus Center · Rating: 4.1/5
- ✓ 73 Game Providers: Amusnet, QuickSpin, Platipus, EGT Digital, StakeLogic, Edict, SA Gaming, Spinmatic, 3 Oaks Gaming, MarkorTech, Push Gaming, OctoPlay, and others.
Terms & Conditions apply · Play responsibly
BCgame
Multi-Award-Winning Crypto Casino & Sportsbook with Bonuses up to $100,000
Dec 15, 2025
- ✓ 2 USDT free! No deposit required
- ✓ Bonus Code: cas2u2
- ✓ BCgame 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 BCgame
- ✓ Online sports betting
- ✓ Play poker online at BCgame – Online poker room
- ✓ Available in multiple languages, including English
- ✓ Tested and certified by Casino Bonus Center · Rating: 4.3/5
- ✓ 72 Game Providers: BC Originals, Belatra Games, TVbet, Live88, JILI, Habanero, NetEnt, Evolution Gaming, FC, Red Rake, Relax Gaming, Platipus, and others.
Terms & Conditions apply · Play responsibly
Yukon Gold Casino
150 Chances to Win $1 Million will be yours for only $10!
Dec 5, 2025
- ✓ 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 Yukon Gold Casino
- ✓ Over $6.3 Million in Progressive Jackpots
- ✓ Available in multiple languages, including English
- ✓ Tested and certified by Casino Bonus Center · Rating: 4.2/5
- ✓ 39 Game Providers: Games Global, Alchemy Gaming, Oros Gaming, SpinPlay Games, Half Pixel, Barstruck, Foxium, Area Vegas, Pragmatic Play, High Limit Studio, SlingShot, OnAir Entertainment, and others.
Significant terms: 18+. 30 Free spins (Spins value: $0.20) on Gates of EnergyCasino 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
EnergyCasino
Energize your game with 30 Free Spins and a Triple-Powered Welcome Bonus
Dec 1, 2025
- ✓ 30 Free Spins · No deposit required
- ✓ Exclusive No-Deposit Bonus – Available in Japan and Selected Countries only!
- ✓ EnergyCasino offers exclusive bonuses for CasinoBonusCenter visitors
- ✓ Japanese players are accepted
- ✓ Play instantly in your browser – No installation required
- ✓ Mobile-friendly games · Enjoy playing on smartphones and tablets
- ✓ Live Casino · Play against real croupiers at EnergyCasino
- ✓ Over $21.6 Million in Jackpots by Games Global
- ✓ Available in multiple languages, including English
- ✓ Tested and certified by Casino Bonus Center · Rating: 4.4/5
- ✓ 62 Game Providers: Merkur Gaming, RAW iGaming, Leander Games, Playzido, Spribe, Hölle Games, Red Tiger, Thunderkick, G Games, Skywind, Just for the Win, Gamomat, and others.
Top 10 Online Casino Bonuses in Japan (January 2026)
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 January 2026. 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.
Most Popular Online Casinos in Japan
Curious which brands stand out among Japanese players right now? Here are the top 3 most popular online casinos in the last 30 days—each trusted for their excellent bonuses, diverse games, and reliable payouts:
- JackpotCity Casino – Ranked as the #1 most popular online casino among Japanese players this month. Check why JackpotCity Casino is so popular in Japan
- MrGreen – Holds the second spot in popularity with Japanese players for January 2026. See Current Bonuses at MrGreen
- Gday Casino – Currently ranked #3 among Japan’s most played online casinos. View Available Promotions at Gday Casino
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 50 Free Spins — No deposit required | Bonus of 100% up to $500 |
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 over 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.
