Engage in a deduction card game where you guess your opponent's secret card based on its traits. Enjoy multiple game modes, including head-to-head play, CPU challenges, and online matches, with over 700 cards across 15 diverse themes.
1.7.1
October 7, 2026
We've added new artwork to our App Store product page header and search results, showcasing ATECCO's ask-and-guess card battles. Gameplay and features are unchanged.
Moreレビューありがとうございます！ 楽しんでいただけてとても嬉しいです！ また、「テーマ内のカードを入れ替えられる機能」や「テーマ数を増やしてほしい」というご意見もありがとうございます。 今後のアップデートの参考にさせていただき、さらに長く楽しんでいただけるゲームを目指していきます。 これからもATECCOをよろしくお願いいたします！
ATECCO is a deduction card game where players guess their rival's secret card by asking Yes/No questions about its traits. It offers various game modes like Guess What, Memory, Trait Karuta, Card Combo, and Perfect Match.
ATECCO features five distinct game modes: Guess What, Memory, Trait Karuta, Card Combo, and Perfect Match, providing a variety of gameplay experiences.
Yes, ATECCO supports playing with friends in several ways, including on a single device, against the CPU, and online against other players.
ATECCO includes over 700 cards across 15 themes such as Animals, Foods, Countries, Flags, People, and Dinosaurs. Each card also comes with a piece of trivia.
Yes, ATECCO contains advertisements, as indicated by its ad-supported monetization model.
ATECCO has an age rating of 4+, making it suitable for younger players. The game also includes educational trivia that can be beneficial for learning.
No, an account is not required to play ATECCO. You can simply open the app and start playing immediately.
The latest version of ATECCO, 1.4.0, was last updated on August 29, 2026.
