■ What is Sudoku? This is a game in which numbers 1 to 9 are placed vertically and horizontally on a 9x9 square board without duplication. Also known as Sudoku.
■ What is Kanji Nankuro? Nankuro is a crossword puzzle with no hints. Among them, the one limited to Chinese characters is called Kanji Nankuro.
■ What are four arithmetic operations? This is a puzzle that uses +-× ÷ to make a total of 10 4-digit numbers.
■ About the number of problems Includes over 700 questions.
Updated on
Jun 20, 2023
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Data safety
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Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.