Koi-Koi Japan [Hanafuda playing cards]
Koi-Koi Japan [Hanafuda playing cards] is a traditional Japanese card game brought to life in a digital format. Featuring the classic and beautifully designed Hanafuda cards, this game invites players to experience a rich cultural pastime that has been enjoyed in Japan for generations. With intuitive gameplay and customizable features, it’s perfect for both beginners and seasoned Hanafuda enthusiasts.
Immerse yourself in the aesthetics and strategy of Koi-Koi as you match cards, build combinations, and outscore your opponent in this traditional yet timeless game.
Key Features
- Beautiful Card Designs: Enjoy stunning visuals of authentic Hanafuda cards that reflect Japan’s seasonal themes.
- Multiple Difficulty Levels: Challenge AI opponents of varying skill levels or play against friends.
- Detailed Tutorials: Learn the rules of Koi-Koi with easy-to-follow guides, perfect for newcomers.
- Customizable Settings: Adjust the rules, match length, and other settings to suit your preferred style of play.
- Cultural Insights: Discover the history and traditions behind Hanafuda and Koi-Koi while playing.
- Relaxing Atmosphere: Enjoy traditional Japanese music and serene visuals to enhance your gaming experience.
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Download the Steam Client here.

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Log in to your Steam account and click on Games > Activate a Product on Steam.

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Click Next when you see the Product Activation pop-up.

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Please Agree the Steam Subscriber Terms.

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In the ‘Product Code’ section, enter your unique code that’s displayed on the ‘Order’ page of your D2Games account or on the link of your confirmation email if you had purchased as a guest and follow the prompts to activate.

System Requirements
Minimum
- OS: Windows XP SP3, Vista, 7, 8, or 10
- Processor: 2 GHz or faster
- Memory: 1 GB RAM
- Graphics: DirectX 9 compatible with at least 256 MB VRAM
- DirectX: Version 9.0c
- Storage: 200 MB available space
Recommended
- OS: Windows 7 or later
- Processor: Dual-Core 2.5 GHz or higher
- Memory: 2 GB RAM
- Graphics: DirectX 11 compatible with 512 MB VRAM or better
- DirectX: Version 11
- Storage: 200 MB available space
Age Restrictions
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Understanding Age Ratings:
3+: Suitable for all age groups.
7+: May contain some elements that could be frightening for younger children.
12+: May include mild violence, language, or suggestive themes.
16+: May contain more intense violence, strong language, or sexual content.
18+: Reserved for adult audiences only, with content that may include extreme violence, sexual themes, or explicit language.
Parental Guidance: We encourage parents and guardians to monitor the Games or Softwares their children are playing/Using. If you're unsure about the suitability of a game for younger players, please refer to the age rating and consider whether the content is appropriate for your household.
By purchasing and downloading Games/Softwares from our store, you confirm that you meet the required age restrictions for each game. We are dedicated to ensuring a safe and enjoyable gaming experience for all of our customers.
If you have any questions or need further clarification, please don't hesitate to contact our support team.