• Site in Japanese
  • Premium Game Studios
  • Over 7000+ Games
  • Fully certified online casino
  • Support 24/7
  • No sports betting

King Billy Casino

King Billy Casino is one of the oldest online casinos as they have opened their doors in 2017 and since then, they have been offering players. KingBilly Casino offers players over 7000+ Games from the very best game studios on the market!

The Casino has a bit over 7000 games and out of those 6000 are slots and about 400 are live casino games and the rest are Jackopot games and games like Bingo and KENO. So if you are looking for a new game, you will find one for sure!

King Billy Casino Welcome Bonus and Promotions

1st Deposit bonus – 100% up to ¥50 000 + 200 FS: 20 FS daily (Hawaiian Dream Slot)
2nd Bonus – 50% up to ¥25 000 (bonus code: 入金2)
3rd Bonus – 100% up to ¥25 000 ((bonus code: 入金3)

No Deposit Bonus

Play your favorite games and move up the ranks of Baron, Duke, Prince, Princess and King / Queen, with the goal of sitting next to His Majesty King Billy! Get a free registration bonus of ¥1100 from King Billy Casino!

Welcome Bonus

You can get a welcome bonus by making 3 first deposits

1st deposit – 100% bonus up to ¥50.000 + 200 free spins of Goldenhero’s “Hawaiian Dream”
2nd deposit – 50% up to ¥ 25.000
3rd Deposit – 100% Up to ¥ 25.000

Cash back for all players!

It doesn’t matter if you are a citizen or aristocrat, a high roller or casual player, you like slots, you like live casinos. Because … King Billy made the impossible possible! 5% to 13% cash back for all players!

This month’s slot

Introducing King Billy’s “Slot of the Month” bonus! Deposit ¥ 2.000 to earn 61 Free Spins in the latest slot games!

King’s Minor

Should it be mined or not? That doesn’t matter anymore! Let’s start mining with King Billy! If you deposit up to 51 mBTC (or the same amount of cryptocurrency), you will get a 51% bonus.

Phantom bonus

Every month, it appears out of nowhere … That’s the King’s Phantom Bonus! When will it come … A phantom bonus that I don’t know for sure … Catch it before it disappears! 

King Billy Casino VIP

King Billy rewards the courage and loyalty of VIP casino players! Register now and reach one of the 5 VIP ranks!

Kingdom City Rank

Baron Rank

Female Duke Rank

Princess Rank

King / Queen Rank


At King Billy Casino, all enthusiastic and loyal players will receive loyalty rewards. Each time those special players make a bet in the game, they will be given King Points that can be redeemed for cash. The more stakes you have, the more King Points you can earn and the more cash you can earn.


King points have different cash bonuses depending on the rank. The higher the value, the more bonuses you will receive.
The bonus given depends on the rank. By accumulating King Points and then using them at a higher rank, you will get more cash.

Monthly cash bonuses are up to ¥100.000 (city, baron, baron, duke, duke rank) and up to ¥ 500,000 (prince, princess, king, queen rank). .. All unused King Points will be deleted if they have not been used for 3 months. 
Also, you must bet at least 3 times the cash bonus you receive from King Points before you can withdraw.

King Billy Casino Mobile

If you like to play on mobile, you are in for a treat! As KingBilly is fully optimized to work on all mobile devices and tablet devices.

You will always be able the casino with you, no matter where you might be! These days players do tend to play more on mobile devices such as iOS or Andrdoid phones.

Claiming a bonus or making a deposit is just as easy as doing it on your home computer.

This is one of the best optimized online casinos in the Japanese Gaming Market.

Game Studios at KingBilly Casino

Ainsworth Gaming Technology, 1x2Games, 2 By 2 Gaming, Amatic Industries, BGAMING, Blueprint Gaming, Big Time Gaming, Betsoft, Booming Games, Booongo Gaming, Endorphina, Evolution Gaming, Evoplay, Ezugi, Fantasma Games, Crazy Tooth Studio, Fugaso, Foxium, Felix Gaming, Gamevy, Genesis Gaming, Habanero, Iron Dog Studios, Mascot Gaming, iSoftBet, Lightning Box, Just For The Win, Microgaming, NetEnt, Nolimit City, Nucleus Gaming, PariPlay, Old Skool Studios, Playson, Playtech, Pragmatic Play, Play’n GO, Probability, Push Gaming, Quickspin, Rabcat, Realistic Games, Relax Gaming, Skillzzgaming, Red Rake Gaming, Red Tiger Gaming, Yggdrasil Gaming, Wazdan, Thunderkick, Tom Horn Gaming, Adoptit Publishing, BetGames.TV, Electric Elephant, GameArt, NextGen Gaming, Quickfire, Sigma Games, Snowborn Games, Spinomenal, Storm Gaming, VIVO Gaming and 4ThePlayer.

Payment options at KingBilly Casino
 EcoPayz, MasterCard, Neteller, Paysafe Card, instaDebit, Visa, Neosurf, Skrill, iDebit, Interac, Rapid Transfer, PurplePay, AstroPay Card, AstroPay Direct, SticPay, MiFinity, Bitcoin, Bitcoin Cash, Litecoin, Ethereum, Tether, MuchBetter, Venus Point, PayVision, PugglePay, Siru Mobile, CashtoCode, ecoVoucher, DevCode, Online Bank Transfer, Virtual Card, Piastrix and WebMoney.

KingBilly Casino has several payment options available for players to use, this can vary by the players country. Payments are 100% secure and safe to use on this casino, the casino uses 128-bit encryption to make sure that your money, deposited or withdrawn is always safe.

Withdrawal times:
E-wallets – Instant
Credit/debit cards – 1-2 business days
Bank transfer – 2-5 business days

Customer Support
Live chat 24/7

King Billy Casino Overview

How do we do our reviews and what are they based on?

Well, this is a good question, as we base reviews on the following five points.
Every single review will have taken into consideration the following points:
Casinos reputation, Games, Bonuses, license and the overall feeling of the Casino. 

Then comes the other points, as to how the Casino looks and what kind of a feeling they are giving, the support also has a big part of the review, as a Casino can be the best in the world, but if the support is slow or not helpful, it will totally destroy the overall experience. Then we take into account if the Casino has had Compaints or disputes or issues. We really are all about the players, so we have done our best to make sure that you have the best and safest casino experience you can have.

King Billy Casino

4.5 rating
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RESPONSIBLE PLAY: We are not responsible for losses due to gambling in casinos or betting on betting sites linked to any of our bonus offers. The player is responsible for the amount for which he wishes and can play. Don't bet or bet with money you can't afford to lose. Don't chase your losses. Players are responsible for checking the gambling laws in their country or jurisdiction, and they should do so before playing for real money at an online gaming site.