Giant Sudoku Explained: 16×16, 25×25 and Other Oversized Grid Puzzles
Plus Giant Sudoku is any sudoku played on a grid larger than the standard 9×9 — most commonly 16×16, but also 12×12, 25×25 and beyond. The rules are the same as…
giant sudoku
12×12 Sudoku: Rules, Symbols and How to Play Giant Sudoku
12×12 sudoku — sometimes called giant sudoku — takes the classic puzzle and stretches it across 144 cells. The logic is identical to standard sudoku, but with twelve symbols instead…
What Is Samurai Sudoku? Rules, Layout and Solving Strategies
Samurai Sudoku is a sudoku variant made of five overlapping 9×9 grids arranged in an X shape: one grid sits in the center and one occupies each corner. Every grid…
12 x 12 Sudoku: How to Play the 12×12 Grid
12 x 12 Sudoku is a giant Sudoku variant played on a 12×12 grid with 144 cells instead of the usual 81. It uses the digits 1–9 plus the letters…