せかいの国ずかん 世界の国旗・首都クイズ・世界地図

"World Country Encyclopedia" is a learning app that helps you learn the flags, capitals, and locations of 196 countries and regions around the world through flag quizzes, capital quizzes, and world map puzzles. You can learn the names of countries by their flags, expand your knowledge with capitals and locations, and even look up population and official languages ​​in the country encyclopedia. It's perfect for elementary school social studies and geography, parent-child time for children who are starting to show interest in the world, and for adults looking to refresh their knowledge. You can switch between Japanese and English with a single button.

■ Country Encyclopedia
It compiles information on 196 countries and regions, including their flags, capitals, population, area, region, official languages, and currencies. You can search by continent, or by country name or capital name. Switching to English display allows you to see country and capital names in English. The number of countries you've viewed in the encyclopedia is recorded, adding to the fun of gradually filling it in.

■ Today's Challenge
A daily quiz where you guess the country by looking at its flag. The number of consecutive days you've attempted it and your highest score are displayed, helping you establish a daily learning habit.


■ Flag Quiz
This quiz asks you to guess which country the displayed flag belongs to. You can choose the region of the quiz (Asia, Middle East, Europe, Africa, North America, South America, Oceania) or a random selection from around the world. There are three difficulty levels: "Easy" is a multiple-choice question with four options, "Normal" is a multiple-choice question with four options featuring similar-looking countries from the same region, and "Hard" requires you to enter the country name in Japanese or English. The encouraging message changes as you get consecutive correct answers, and after completing 10 questions, stars are displayed according to your correct answer count.


■ Voice Flag Quiz
Simply look at the flag and say the country's name into the microphone to answer. Even young children who are not good at typing can play.


■ Capital City Quiz
This quiz asks you to guess the capital city of a country based on its flag and name. You can choose the region of the quiz and the three difficulty levels, making it useful for memorizing capitals or reviewing before a test.


■ Country Location Puzzle (World Map Puzzle)
This puzzle involves dragging and dropping pieces shaped like national borders onto a world map. In addition to being playable by continent (Asia, Europe, Africa, North America, South America, Oceania), there's also a worldwide mode using all 196 countries and territories. The map can be zoomed in and out, and you can choose whether or not to have hints (highlighting the current country in blue) available. Small island nations are marked with dots, and there's a button to move the map to the current country. In Time Attack mode, the top 5 fastest times are recorded.

■ World Heritage Sites & Landmarks
"Around the World Sugoroku" is a board game where you roll dice to visit famous landmarks around the world. It can be played by 1 to 3 players. Landmark cards are revealed on the spaces you land on, and there are also spaces to move forward, move back, or skip a turn. The "Landmark Encyclopedia" includes 99 landmarks, such as Mount Fuji, the Great Wall of China, the Pyramids of Giza, and Machu Picchu, with photos and short descriptions.

■ Visited Countries Counter
Checking the countries you've visited counts the number of countries you've visited, which are shown in color on the world map. It can be used to record family trips and as a starting point for discussing future destinations.

■ Achievement Badges
You'll earn 13 different achievement badges based on the number of countries you've viewed in the encyclopedia, the number of quizzes you've completed, the number of quizzes you've answered correctly, the number of puzzles you've completed, and the number of consecutive days you've completed the daily challenge.

Recommended for:
* Parents who want their children to learn the names of world flags and countries while playing
* Parents who want their children to review the locations of capitals and countries before social studies or geography tests
* Parents who want to learn the names of world countries in English, or want their children to play with English displays
* Parents who want to talk about the world with their children while looking at photos of World Heritage sites and famous landmarks
* Adults who want to familiarize themselves with world maps while recording the countries they have traveled to

How to Use
1. On the home screen, select the mode you want to play, such as the flag quiz or the country encyclopedia.
2. For the quiz, select the region and difficulty level, and try 10 questions at a time.
3. Look up countries you don't remember in the encyclopedia, and continue with one question each day in the daily challenge.

About Pricing and Ads
The country encyclopedia, daily challenge, flag quiz, and visited country counter are available without purchase. The voice flag quiz, country location puzzle, capital quiz, and World Heritage sites/landmarks are all unlocked with a one-time in-app purchase. There are no monthly fees or ads. Account registration is not required.

Data Handling
Country data and photos of landmarks are stored within the app, so you can play even in places without an internet connection. The voice flag quiz uses your device's voice recognition function. Quiz records and visited country checks are saved on your device.