# ATECCO: Guess Card Duel Game — 2-player brain battle quiz > 2-player brain battle quiz (iPhone/iPad app by Tsubasa Sakamoto.) - Source: https://appshunter.io/ios/app/atecco-guess-card-duel-game/id6780751677 (this page in markdown: same URL + `.md`) - Developer: [Tsubasa Sakamoto](https://appshunter.io/developer/1865950668) - Category: Games, Board, Trivia - Price: Free - Age rating: 4+ - Requires: iOS 15.0 · 354 MB - Languages: American English, Japanese, European Spanish - Released: 2026-06-22 - Data updated: 2026-08-28 - User reviews in markdown: https://appshunter.io/ios/app/atecco-guess-card-duel-game/id6780751677/reviews.md ## What is ATECCO? ATECCO is a deduction card game where you guess your rival's secret card from its traits. Play with a friend on one device, against the CPU, or online. ■ Five ways to play [Guess What] The main deduction game Each player picks a secret card, then narrows down the rival's card with Yes/No trait questions like "Can it fly?" Outwit each other using Pass, Mirror, and Name questions. ・2 players on one device / vs CPU / Online [Memory] A 6×6 memory duel Match pairs to collect the most cards. Four skills — Peek, One More, Shuffle, and Steal — turn a memory game into a battle of wits. ・Solo time attack / 2 players / vs CPU [Trait Karuta] A test of reflexes Grab the card matching the called trait before your rival does. Two-player mode uses landscape view so both players share one board. ・Solo time attack / 2 players / vs CPU [Card Combo] Hand-building strategy Collect cards sharing a trait to build combos and score over three rounds. Rarer traits pay bigger multipliers. ・Solo score attack / vs CPU [Perfect Match] A quiz of insight Three traits are shown. Find the one card out of four that matches all of them, and chase your best score. ・Endless (3 difficulties) / 60-second time attack ■ 15 themes, 700+ cards Animals, Foods, Countries, Flags, People, Historical Figures, Vehicles, Sports, Instruments, Dinosaurs, Plants, Inventions, Landmarks, Jobs, and Japanese Prefectures ■ Learn while you play Every card comes with a piece of trivia, so you pick up knowledge as you play. Browse them anytime in the Card Library. ■ Great for ・Passing one phone around with family and friends ・Playing solo in spare moments ・Learning together with kids ・Facing off online against someone new No account required. Just open and play. ## Version history (last 5 releases) ### 1.3.0 — 2026-08-20 Playing with a friend has been rebuilt. ・New "Play with a friend" flow. Create a room and you get a big room code you can send straight to your friend ・New waiting room. Your friend's name and avatar appear when they join, so you start together ・A match now starts only when both players press Start, so the next game can no longer begin while your friend is still on the results screen ・After a match you return to the room and can play again as many times as you like, changing the deck each time ・New deck: Elements & Materials Plus smaller fixes, including a deck list in the room that could not be scrolled. ### 1.2.0 — 2026-07-28 Four new modes are here! ・Memory: collect pairs on a 6×6 board, with four skills to outwit your rival ・Trait Karuta: grab the card matching the called trait before your rival ・Card Combo: gather cards sharing a trait to build high-scoring combos ・Perfect Match: find the one card that matches all three traits ・Redesigned title screen so you can pick a game at a glance ・The new modes are now available in English and Spanish ・Added sound effects and background music ### 1.1.1 — 2026-07-18 • New deck: Plants & Flowers • Refreshed design — themes, card library, and online rooms now use a cleaner, image-forward card layout • Minor improvements and bug fixes ### 1.1.0 — 2026-07-05 Six new themes are here! Vehicles, Sports, Instruments, Jobs, Flags and World Landmarks — a lot more to guess, and new little discoveries every time you play. The whole app is now fully localized in English and Spanish, too. Plus bug fixes and small improvements. What will you ask first? ### 1.0.1 — 2026-06-30 - Added Spanish localization. - Added an in-app review request after reaching 3 wins. ## More apps by Tsubasa Sakamoto - [IPPO – Share Periods & Plans](https://appshunter.io/ios/app/ippo-share-periods-and-plans/id6757309543) - [moo DENT : 出発リミット・経路の自動計算](https://appshunter.io/ios/app/moo-dent/id6757920350) - [moo COPY : コピペ・テンプレ挿入アプリ](https://appshunter.io/ios/app/moo-copy/id6757952653) - [理解度で復習する単語帳 - moo ANKI](https://appshunter.io/ios/app/moo-anki/id6757971165) - [3D Reflection Challenge](https://appshunter.io/ios/app/3d-reflection-challenge/id6788003510) All apps by Tsubasa Sakamoto: https://appshunter.io/developer/1865950668 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-28.*