The Bishoujo girls from ""Rick G Earth"" mobile military turn-based strategy game from Japan are here! And they want to play Koi-Koi, the most famous Japanese flower card game with you. ◆Optimized for Hanafuda Beginners Even if you have never played with hanafuda (flower cards from Japan), play through the easy-to-follow tutorial and learn the basic rules of Koi-Koi, the most popular hanafuda game in Japan. Each turn, play a card from your hand and you collect any pairs you create with your card. You earn points by forming a Yaku (point scoring card combination). When you form a Yaku before the opponent, stop or call “koi koi” to continue the round, potentially increasing your winning at the risk of the opponent stealing the point from you by forming a Yaku before you. ◆Beautiful Japanese Design Cards feature floral and animal designs from the Japanese folklore evoking a sense of “wabi sabi” – traditional Japanese aesthetic. ◆ Bishoujo Girls are here! Featuring combat girls and anthropomorphic weapons from the ""Rick G Earth"" universe, battle against the bishoujo girls in single player mode: win battles all across Japan and collect unique character cards and achievements. The developers describe the content like this: This Game may contain content not appropriate for all ages, or may not be appropriate for viewing at work: Nudity or Sexual Content, General Mature Content, Military and/or suggestive clothing.