花札ウォーズ - こいこいで無料オンライン対戦！

The definitive Hanafuda Koi Koi game! Enjoy exciting online and solo play!

Superb controls! The world of flowers, birds, wind, and moon is perfectly recreated, with thrilling tactics!
Experience Hanafuda Koi Koi like never before with stunning visuals and exquisite background music!
Connect with rivals from all over the country in online matches, hone your skills solo in practice mode,
and enjoy monthly events and tournaments in this authentic Hanafuda app!

All the charm of Hanafuda Koi Koi is gathered here!

Super easy-to-play controls and spectacular visuals!
The exhilarating feeling of completing hands like "A Cup at the Cherry Blossom Viewing" and "A Cup at the Moon Viewing" is irresistible! This is the Reiwa era's Hanafuda Koi Koi revolution, reviving the time-honored game on your smartphone!

Free-to-play authentic Hanafuda!

Completely free to play! No need to buy cards or register!
Anyone can easily dive into the world of Hanafuda!
Includes local matches to enjoy with friends and family! Of course, you can practice alone while learning the rules!

A simple design that's easy even for beginners! You can check the list of possible hands with just one tap, so you can enjoy Hanafuda without any hesitation! Enjoy Hanafuda Koi Koi to the fullest in three modes!

■Online Battles

Compete in real time with players from all over the country!
Supports a variety of rules, including Shichimon Bai, Baigaeshi, Kuttsu, Te Shi, Hanami de Ippai, and Tsukimi de Ippai.
Plan your strategy, read your opponents' moves, and seize victory!
Enjoy the tension and strategy that only online can provide!

■Knockout Battles

The more consecutive wins you achieve, the higher you'll rise in the rankings!
A serious battle mode that tests both luck and skill!
Earn exclusive rewards based on your wins!
Take on the challenge and become the Hanafuda King!

■Practice Mode

Easily challenge the CPU!
You can also customize the detailed rules, such as difficulty level, moon length, and hand settings.
Master Hanafuda Koi Koi even on your own and never get bored!
You can play offline, so you can easily practice anytime, anywhere!

Satisfying for both beginners and veterans!

Intuitive controls! Simply tap the screen to choose Koi Koi or Agari!
The effect you see the moment your hand is completed is exhilarating!
Victory isn't just determined by luck; it's also about reading and strategy!
You're sure to become addicted to the depths of Hanafuda Koi Koi!

Ranking & Tournament Mode!

Compete with experts from all over the country in monthly ranking tournaments!
Winning and improving your ranking will earn you exclusive avatars, medals, and GP!
Continue winning Koi Koi and earn legendary titles!
Experience the feeling of "becoming stronger the more you win"!

Collect GP and get luxury items!

Earn GP (Game Points) just by playing!
Earn more by logging in, playing against others, participating in events, and more!
Exchange your accumulated GP for avatars and special rewards!
Create your own original character and show it off in online battles!

You can see your opponent's avatar during battle,
so the true essence of this app is that you can both enjoy winning at Hanafuda and impressing with your appearance!

Limited-time events are now available!

Limited-time events themed around each season: Spring, Summer, Fall, and Winter!
This is your chance to get avatars and backgrounds that match the world of Hanafuda!
Win Koi Koi and get your hands on seasonal items!
Whether you play online or solo, all you have to do is challenge yourself to get event rewards!

The keys to victory are reading and courage!

Hanafuda is not just a game of luck.
Read your opponent's hand and determine the right timing to launch a Koi Koi!
Will you take a risky attack or safely retreat—your judgment will decide the outcome!
This app is the only place you can experience the true essence of Hanafuda Koi Koi!

Maximum realism!

Beautiful cards and gorgeous effects from the beauty of flowers, birds, wind, and the moon dance across the screen!
BGM based on traditional Japanese instruments heightens the tension of the match!
Immerse yourself in the world of Hanafuda while feeling the weight of each move!
Unbelievable quality that you'll never believe is free!

This is the ultimate Hanafuda Koi Koi!

Master Hanafuda! Win Koi Koi! Compete online!
The ultimate Hanafuda app that will get both beginners and veterans excited is here!
Start for free and play anytime, anywhere, against anyone!