Challenge yourself with Sudoku puzzles of various grid sizes in All of Sudoku. Enjoy 4 different grid options ranging from 4x4 for beginners to 16x16 for extreme challenges. This classic Japanese logic game requires filling the grid with correct numbers following simple rules.

All puzzles in All of Sudoku have a single solution with difficulty levels including easy, medium, hard, and expert. The game offers assist functions like notes, highlighting, number frequency display, hints, and constant error checking to enhance gameplay. Play in landscape or portrait mode on any device, customize background color from 10 choices, and utilize zoom for the 16x16 grid.