Japan Map - Study with Puzzle

【Puzzle】
Four levels (difficulty levels) are available for beginners and advanced players alike.
The most difficult level, Level 4, requires correctly memorizing the names, locations, and shapes of all prefectures.
Can you clear all levels?

【Book】
You will receive a prefecture card when you complete a puzzle.
Play repeatedly to memorize the map of Japan and complete the picture book.

【World Ranking】
You can compete with players from all over the world for the clearing time.
Improve your skills and aim for the top ranking.