Introduction: Sudoku, the classic logic-based number puzzle, has captivated millions around the globe with its simple rules and addictive gameplay. However, for those seeking a new challenge or a fresh twist on the familiar, Sudoku variants offer a diverse array of puzzles to explore. Among the leaders in crafting innovative Sudoku variants is DJAPE, a prominent name in the puzzle industry. In this article, we embark on a journey through the fascinating world of Sudoku variants, exploring the creativity and ingenuity behind DJAPE's puzzle universe. Understanding Sudoku Variants: Before delving into the realm of Sudoku variants, let's first understand the essence of the original puzzle. Traditional Sudoku consists of a 9x9 grid divided into nine 3x3 subgrids. The objective is to fill each cell of the grid with a number from 1 to 9, ensuring that each row, column, and subgrid contains every digit exactly once. Sudoku variants, on the other hand, introduce new rules, grids, or...