The definitive online Hanafuda game! Beginners and experts can play instantly!

Latest Version

Update
Oct 16, 2025
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Google Play ID
Installs
100,000+

App APKs

花札ウォーズ - 無料こいこい GAME

The definitive Hanafuda Koi Koi! Enjoy the thrill of playing Hanafuda Koi Koi online or solo! The ultimate app for free Hanafuda Koi Koi!

Superb controls! Experience the thrilling Hanafuda Koi Koi experience, perfectly recreating the world of flowers, birds, wind, and moon. Experience Hanafuda Koi Koi like never before, with stunning visuals and exquisite background music. Connect with rivals from around the country in online matches, hone your skills solo in a practice mode, and enjoy monthly events and tournaments in this exciting Hanafuda app. Experience the expanding world of Hanafuda to your heart's content.

All the charms of Hanafuda Koi Koi are gathered here.

With incredibly easy-to-play controls and spectacular visuals, the true essence of Hanafuda is fully recreated.
The exhilaration of completing hands like "A Drink at the Cherry Blossom Viewing" and "A Drink at the Moon Viewing" is irresistible.
This is truly a Reiwa-era Hanafuda Koi Koi revolution, reviving this time-honored game on your smartphone.
The user-friendly design allows even those unfamiliar with Hanafuda to start playing for free with confidence.

■ Authentic Hanafuda Koi Koi that's free to play!

Completely free to play. No need to buy cards or register, you can jump right into the world of Hanafuda.
Features local battles that can be enjoyed with friends and family, and even beginners can learn and practice Koi Koi for free.
Plenty of free features to make Hanafuda even more enjoyable.

The simple design makes it easy for beginners, and you can check a list of hands with just one tap.
Enjoy Hanafuda Koi Koi without any confusion, and hone your skills in the free practice mode.

■ Online Battles

Play Hanafuda Koi Koi online against players from all over the country.
Supports a variety of rules, including Shichimon Bai, Baikoeshe, Kuttsuki, Teshi, Hanami de Ippai, and Tsukimi de Ippai.
Enjoy the tension and reading each other's moves that only online can provide, and experience the depth of Hanafuda.
Aim for consecutive wins online and prove your Hanafuda Koi Koi skills.

■ Knockout Mode

Win streaks to rise to the top of the rankings.
This serious mode tests both luck and skill.
Compete in Hanafuda Koi Koi skills and earn exclusive rewards.
If you want to become the Hanafuda King, you have no choice but to take on the challenge.

■ Practice Mode

Enjoy casual Hanafuda Koi Koi matches against the CPU.
You can adjust the rules, such as difficulty level, month length, and hand settings, and practice as much as you want offline.
You can master Hanafuda even on your own, and experience the depth of Koi Koi for free.

■ Ranking & Tournament Mode

Compete online with experts from around the country in monthly ranking tournaments.
Win to improve your ranking and earn exclusive avatars, medals, and GP.
If you keep winning Koi Koi, the title of Legend is not just a dream.
You can challenge yourself to Hanafuda Koi Koi battles for free.

■ Earn GP and Earn Luxury Items

Earn GP (Game Points) just by playing.
Free points accumulate as you log in, play online, and participate in events.
Exchange them for avatars and special rewards to create your own unique character.
The freedom to win Hanafuda and impress with Koi Koi is unmatched.

■ Limited-Time Events

Seasonal-themed events are held regularly throughout the year.
This is your chance to get free avatars and backgrounds inspired by the world of Hanafuda.
Whether playing online or solo, keep challenging yourself with Koi Koi to earn exclusive items.

■ The Depth and Excitement of Hanafuda Koi Koi

Read your opponent's hand and determine the right timing to launch a Koi Koi.
Hanafuda tests not only luck, but also your reading ability and courage.
You can challenge the game as many times as you like for free, and enjoy the strategy to the fullest, even online.

■ Maximum Realism

Beautiful cards of flowers, birds, wind, and moon dance in a dazzling display, while background music based on traditional Japanese instruments adds excitement to the match.
With unparalleled quality that you wouldn't expect from a free app, you'll immerse yourself in the depths of Hanafuda Koi Koi.

■ This is the ultimate Hanafuda Koi Koi!

Master your Hanafuda, win Koi Koi, and compete online.
This is the ultimate Hanafuda app that will get both beginners and veterans excited.
Start for free and play anytime, anywhere, against anyone.
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