Best Online Casinos in Japan

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Erik King
編集長 – Zamsino

Looking for online casinos that accept players in Japan?

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1
slotrush casino logo
100% 最大 ¥80,000

18+ | 利用規約が適用されます。

  • 75 無料スピン
  • 暗号通貨での支払いオプション
  • スポーツベッティング
クレームボーナス
エクスクルーシブ
2
freshcasino casino logo
登録で50回のフリースピン

18+ | 利用規約が適用されます。

  • Doors Of Fresh(BGaming)
  • プロモコード: DREAM50
  • 最大¥60,000までの50%ボーナス
クレームボーナス
エクスクルーシブ
3
bitstarz casino logo
50回の入金不要スピン

18+ | 利用規約が適用されます。

  • BGamingスロット3種対応
  • 100%ボーナス最大10,000¥
  • 180回のボーナススピン
クレームボーナス
4
bonscasino casino logo
30 ユーロの無料現金

18+ | 利用規約が適用されます。

  • 登録時
  • コード: ZAMSINO
  • 200% の初回入金ボーナス
クレームボーナス
5
joocasino logo
¥12000 カジノボーナス

18+ | 利用規約が適用されます。

  • 100 フリースピン
  • 暗号通貨
  • 100% ボーナス
クレームボーナス
6
livecasinohouse logo
150% 最大¥50,000

18+ | 利用規約が適用されます。

  • 最低入金額:JPY1,600
  • 全スロットゲーム対象
  • 週間キャッシュバック
クレームボーナス
7
joy casino logo
10ドルキャッシュボーナス

18+ | 利用規約が適用されます。

  • 5ドル以上の初回ご入金で10ドルプレゼント
  • 賭け条件10倍
  • ボーナスコード: zamsino
クレームボーナス
8
kingbilly casino logo
100%最大$500

18+ | 利用規約が適用されます。

  • 100ボーナススピン
  • 最大勝利数なし
  • Book of King Billy (BGaming)
クレームボーナス
9
roobet casino logo
7日間のキャッシュバック保証

18+ | 利用規約が適用されます。

  • すべての純損失の 20%
  • 毎日最大 200 ドルを獲得
  • 暗号通貨
クレームボーナス
10
conquestador casino logo
30000円カジノボーナス

18+ | 利用規約が適用されます。

  • 200ボーナススピン
  • Midas Golden Touch
  • 100%ボーナス
クレームボーナス
11
justspin logo
¥12.654 カジノボーナス

18+ | 利用規約が適用されます。

  • 100 フリースピン
  • デポジットなし
  • 100%のボーナス
クレームボーナス
12
lilibet casino logo
500ボーナススピン

18+ | 利用規約が適用されます。

  • Pragmatic Playスロット
  • 最低入金額:€100
  • 初回入金時
クレームボーナス
13
nitro casino logo
毎週の報酬

18+ | 利用規約が適用されます。

  • スロット
  • ルーレット
  • ライブカジノ
クレームボーナス
14
21.com logo
10回のデポジットスピンなし

18+ | 利用規約が適用されます。

  • ヴァンパイア対オオカミ
  • 100% ボーナス
  • コード: BON1
クレームボーナス
15
lasvegas casino logo
¥10,000カジノボーナス

18+ | 利用規約が適用されます。

  • 20回の追加スピン
  • 死者の書
  • 100%ボーナス
クレームボーナス
16
betwinner casino logo
¥40,000 カジノボーナス

18+ | 利用規約が適用されます。

  • 25% キャッシュバック
  • 100% ボーナス
  • 1 ユーロの最低入金額
クレームボーナス
17
intercasino logo
10ドルの無料デポジット

18+ | 利用規約が適用されます。

  • $500 ウェルカム キャッシュ
  • 賭け条件なし
  • 暗号通貨
クレームボーナス
18
Email Free Spins Logo
入金不要ボーナスをメールでお届け

18+ | 利用規約が適用されます。

  • 50回のフリースピン
  • 限定プロモコード
  • 最新のオンラインカジノ情報
クレームボーナス
19
vera & john casino logo
$1.000 ドルのカジノボーナス

18+ | 利用規約が適用されます。

  • Starburst
  • $10 ドル無料
  • 100%のボーナス
クレームボーナス
20
fastpay logo
10%ウィークリーキャッシュバック

18+ | 利用規約が適用されます。

  • ¥12000カジノボーナス
  • 100ボーナススピン
  • 100%ボーナス
クレームボーナス
21
casinoin casino logo
1 BTC カジノボーナス

18+ | 利用規約が適用されます。

  • 15 フリースピンを 4週間
  • ブラックジャック
  • 100%のボーナス
クレームボーナス

Best New Japanese Casinos

Picking a new online casino is not as simple as it looks. The best choices combine strong licensing, fast payments, and a broad game lineup with dependable support in Japanese. Before you register, scan the footer for licensing information, confirm that the site supports JPY or a wallet commonly used in Japan, and review the cashier for realistic withdrawal limits and timelines.

Look for platforms with a visible game catalog from top studios, including live casino providers, since that is where many players spend most of their time. A modern site should load quickly on mobile, provide two-factor account protection, and offer responsible gambling tools like deposit limits, session reminders, and self-exclusions that you can set in seconds. A casino that publishes return-to-player information and explains game weighting for bonuses is usually one that takes transparency seriously.

It also pays to verify where the license comes from and how disputes are handled. Reputable jurisdictions list a license number and a complaint pathway through an independent dispute body. When a brand shows clear ownership, a privacy policy in Japanese, and a data retention policy, it is a sign they operate with mature processes rather than improvisation.

Best Online Casinos in Japan

How to Select the Best Japanese Online Casino

Online casinos in Japan are growing in popularity, and the top brands make it easy to join safely, deposit quickly, and cash out without fuss. Use these criteria to separate the leaders from the rest.

Choose one with a variety of gaming options

A strong library covers slots, blackjack, baccarat, roulette, sic bo, and newer game shows, plus video poker for single-hand and multi-hand play. Live dealer tables add realism and local appeal, especially for baccarat and blackjack. If you prefer jackpots, confirm that progressive slots and daily drops are available and visible in a dedicated section. Quality matters as much as quantity, so scan for recognized studios and variants with published rules, side bets, and table limits that match your budget.

Examine their reputation

Reputation signals include the casino’s license, visible ownership, and how they handle disputes. Read recent player feedback that mentions withdrawals, verification speed, and fairness. If you see repeated complaints about frozen accounts or unpaid winnings, steer clear. Reputable brands also list clear bonus terms and do not hide fees in the cashier section. Consistency over time is a strong indicator, so prioritize sites that have run the same domain, license, and support channels for years.

Check that you are familiar with the rules and regulations

Every game and bonus has specific rules. Read wagering requirements, game weighting, and the maximum bet while playing with bonus funds before you deposit. At the table, understand rule variations, such as whether the blackjack dealer hits on soft 17 or whether baccarat side bets are allowed, since rules change the house edge and long-term results. For live game shows, review round timers and special features, since side bets and multipliers can increase volatility and bankroll swings.

Discover how many people are using the site

Active casinos show lively live dealer lobbies with consistent table occupancy. Healthy traffic usually correlates with better dealer schedules and more frequent promotions. If you prefer quiet play, you can still find off-peak hours, but a steady population is a positive signal of quality for stability and game choice. Check tournament leaderboards and recent winners lists as an extra pulse check on activity.

Inquire with Customer Service about their payment options

Test support before you commit. Ask about deposit and withdrawal methods for Japan, average verification times, and any fees. A fast, clear answer is a good sign. For peace of mind, confirm typical withdrawal times to Venus Point, iWallet, or bank transfer, and whether expedited payments are available for verified accounts. If you plan to use crypto, confirm how balances are held, conversion timing, and whether the cashout returns the same asset you deposited.

A quick decision guide

Favor casinos with a recognized license, full Japanese UI, JPY-friendly wallets, transparent bonus terms, and verifiable payout timelines. If two sites look similar, pick the one that publishes game RTPs and offers 24-hour support in Japanese.

Popular Japanese Casino Games

Slots remain a leading pick due to their variety, features, and compatibility with bonus spins. Modern slot catalogs include hold-and-win, Megaways, and classic three-reel titles alongside branded games. Live casino tables have surged in popularity, particularly baccarat, blackjack, roulette, and fast-paced game shows. Many players also enjoy sic bo and Dragon Tiger for simple rules and quick rounds.

Special mention goes to pachislot and pachinko-style slots, which borrow visual cues and pacing from local arcades. Pachinko itself is a separate amusement with prize exchange and a distinct regulatory framework, but the look and feel influence many online titles. For strategic play, seek games that publish volatility and RTP, since those two metrics help you match game tempo to your bankroll and session time.

Blackjack

Blackjack is a strategy-friendly card game where you aim to beat the dealer by getting closer to 21 without going over. The dealer uses a shoe with multiple decks, and you receive two initial cards, then choose to hit, stand, double, or split based on totals and the dealer’s upcard. Rules matter. Games where the dealer stands on soft 17 and blackjack pays 3 to 2 have a lower house edge than tables with 6 to 5 payouts or restrictive doubling.

Example

With a hard 11 against a dealer 6, basic strategy recommends doubling for the best long-term return. The same hand against a dealer 10 is usually a hit, not a double, unless the rules specifically allow it and you are comfortable with the higher variance.

Video Poker

Video poker blends slot-style play with poker hand rankings. You receive five cards, choose which to hold, draw replacements, and get paid based on the final hand. Paytables vary, and that variation drives expected return. Full-pay Jacks or Better is a benchmark for solid odds, while bonus paytables that boost four-of-a-kind hands increase volatility. Look for clear paytable info on each machine and consider practice to learn optimal holds.

Japan's Best Bonuses and Promotions

Welcome offers in Japan-facing casinos are generous, but real value depends on terms. Expect deposit matches with wagering requirements, bonus spins tied to selected slots, and ongoing reloads or cashback for regular play. Brands often use similar structures, so details like wagering, game weighting, and withdrawal limits determine which offer is best.

Matching Deposits

Deposit matches are common and often span your first one to four deposits. The match percentage typically ranges from 100 to 200 percent, credited as bonus funds that you must wager before withdrawing. Always check wagering multipliers, eligible games, maximum bet while wagering, and time limits. Some sites also cap the maximum convertible winnings from bonus funds, which can reduce headline value if you hit a big win.

The rollover requirement means you must stake a multiple of the bonus, or bonus plus deposit, before you can cash out. If you receive a 20,000 JPY bonus at 30x, you need to wager 600,000 JPY on eligible games. Slots usually contribute 100 percent, while table games may contribute far less or not at all. Note whether the bonus is sticky or non-sticky, since non-sticky bonuses let you forfeit the bonus and keep cash winnings if you decide the terms are not favorable.

Bonus Spins

Bonus spins credit free plays on selected slots at a fixed coin value. Winnings may be paid as bonus funds with wagering or as cash with no wagering, depending on the offer. Watch for daily tranches that release over several days, expiration windows after activation, and per-spin value, which affects the real worth of the package. Ongoing promos often include Wednesday or weekend spin packs for recent depositors.

Reloads and Cashback

Beyond the welcome, many casinos run weekly reloads with lighter wagering, plus loss-based cashback that returns a percentage of net losses over a set period. Cashback is usually credited as bonus funds but often carries lower wagering than standard bonuses, which can make it a better value for frequent players. Some VIP programs add higher withdrawal limits, faster reviews, and personalized offers, but they may require sustained play to qualify.

Tip

Compare two offers by estimating your total wagering burden. Multiply the bonus amount by the wagering multiple, then adjust for game weighting. Lower effective wagering with flexible game eligibility usually beats a higher headline match.

Banking, Payouts, and Verification for Japan

Before you deposit, look at minimum and maximum transaction limits for your preferred method, and confirm whether the account currency can be set to JPY to reduce conversion costs. Quality operators publish typical processing times by method and state whether weekends or national holidays affect cashier operations.

Verification, often called KYC, is standard. Expect to provide a government ID and a recent proof of address. Some sites request a selfie or a live verification call to protect against account takeover. Once verified, first withdrawals usually move within 24 to 72 hours depending on method. Repeat payouts are faster when you use the same method, your account details match, and you avoid altering withdrawal destinations between requests.

Is it legal to gamble online in Japan?

Japan’s laws permit certain forms of gambling, such as public sports betting, lotteries, and pachinko, each under specific statutes. The integrated resort acts of 2016 and 2018 created a path for land-based casinos within large resort complexes, but online casino operation within Japan is not licensed. As a result, there are no domestically licensed online casinos.

Players in Japan commonly access offshore sites. While enforcement typically targets operators, not individual players, online casino play exists in a gray area and legal risk remains. Always understand local regulations, and remember that terms of service on reputable sites prohibit underage play and encourage responsible gambling.

Japan's Gambling History

Gambling has deep roots in Japan, with informal games popular during the Edo period and later restricted under the Meiji-era criminal code. After World War II, the government authorized regulated forms of wagering to support public finances and oversight, including horse racing, later boat and bicycle racing, and national lotteries. Pachinko evolved under a separate regime that treats it as an amusement with prize exchange.

In 2016 the Diet passed the Integrated Resort Promotion Act, followed by the 2018 Implementation Act, laying the groundwork for resort-scale casinos tied to hotels and convention centers. Local approvals have progressed, with Osaka’s integrated resort plan approved and expected to open later this decade. These developments affect land-based venues, while online casino licensing remains unavailable in Japan.

Land-based Gambling in Japan

Public sports betting on horse racing, keirin, boat racing, and selected motor events is legal through authorized channels. Lotteries are widely available. Pachinko and pachislot parlors operate under amusement rules with prize-exchange mechanisms rather than direct cash payouts.

The integrated resort model introduces full-scale casinos within large complexes that include hotels, entertainment, and meeting space. Entry controls, tax structures, and responsible gambling measures are built into the framework to balance tourism goals with consumer protection. Slot-style gaming exists within pachinko parlors today, while full casino slot floors will arrive with integrated resorts.

Software, Live Studios, and Mobile Play

Most high-quality sites serving Japan aggregate games from multiple software studios to cover classic slots, modern mechanics, and live dealer tables. Live lobbies typically offer multiple baccarat and blackjack variants, Lightning-style roulette, and themed game shows with multipliers. Japanese-language interfaces, localized side bet explanations, and yen-based table limits improve accessibility even when dealers are not speaking Japanese.

On mobile, a browser-based site should feel as responsive as a native app. Look for quick load times over 4G and Wi-Fi, thumb-friendly navigation, and landscape support for live tables. Reliable brands sync account settings and responsible gambling limits across desktop and mobile so you can switch devices without friction or risk of duplicate sessions.

Fairness, RTP, and Player Protection

Trusted casinos use random number generators that are tested by independent labs, and they publish payout percentages for slots and table variants when available. RTP is a long-term indicator, not a prediction for a single session, but it helps you choose games that align with your expectations. Reputable sites also provide time-out tools, cooling-off periods, and reality checks that you can adjust in your account.

Data security is another marker of quality. Encryption on every page, clear cookie and privacy notices, and limited data sharing with third parties show that the operator treats your information with care. If a site allows two-factor login and alerts you on new device access, enable both to reduce account risk.

Popular Japanese Casino Payment Methods

The following are some of the most prevalent payment options in Japan. Each method differs on fees, processing times, and eligibility for bonuses, so check the cashier and terms before you deposit.

The Venus Point

Venus Point is a point-based wallet that many casinos accept for both deposits and withdrawals. You fund your Venus Point balance through supported exchanges and then transfer points to the casino, where they convert to your playing currency. It is valued for predictable processing, low-friction cashouts, and the ability to move balances between supported sites. Always ensure your account name matches your casino profile to avoid delays during verification.

JCB

JCB is a widely used card brand in Japan and is often accepted at international casino sites. It is straightforward for deposits, with authorization similar to everyday online purchases. Some casinos do not support withdrawals back to JCB, so you may be asked to cash out via an alternative method like bank transfer, Venus Point, or iWallet. Currency conversion and issuer fees can apply if the casino account is not in JPY.

iWallet

iWallet is a digital wallet designed for online payments, including gaming sites. It allows quick deposits and, at many casinos, fast withdrawals. Since it is separate from app stores, you can manage funds directly through the iWallet platform, which helps reduce exposure of your card details across multiple merchants. Security features like two-factor authentication are recommended for account protection.

Bitcoin (BTC)

Cryptocurrency is popular among Japan-facing casinos for speed and lower transaction costs. BTC deposits clear after network confirmations, and withdrawals can be fast once your casino account is verified. Prices fluctuate, so consider whether the casino converts to a fiat balance on deposit or keeps your balance in crypto, since that affects your exposure to volatility. Many sites also support other coins like USDT or ETH.

Pitfall

KYC checks are standard before your first withdrawal. If the name on your payment method does not match your casino account, or if you cannot provide clear ID and proof of address, payouts will be delayed. Complete verification early to avoid holdups.

Beyond these, you may see bank transfers and other wallets such as STICPAY, MuchBetter, or ecoPayz. Processing times and fees vary by provider and casino policy, and some methods may be excluded from bonus eligibility, so always check the bonus terms tied to your chosen payment method.

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Erik King - Editor in Chief Zamsino

Erik King

編集長 - Zamsino.com

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Nitro Casino⚡ Daily Speed Reward Bonus
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最終更新 04/11/25 – Erik King, アリカさん訳.