Sudoku Classic Puzzle is a full version Android app developed by EGSBゲームスタジオ. It is the most popular logic-based number placement puzzle in the world, also known as Number Place. The objective is to fill in all the digits from 1 to 9 without repeating them in the same row, column, or block. This app brings you the ultimate Sudoku experience with a user-friendly interface and a variety of features to help you solve puzzles easily.

The app provides you with more than 20,000 well-posed puzzles, which are divided into four perfectly balanced difficulty levels. You can easily switch between day and night modes according to your preference. Additionally, you can turn on/off notes (pencil) mode and highlight duplicates to avoid identical numbers in a row, column, and sub-grid. Sudoku Classic Puzzle also offers unlimited undo and eraser options to help you get rid of mistakes.