WORLD OF SUDOKU: FOG OF WAR

This book contains 20 Fog Of War Sudokus covering a good mix of different Sudoku Variants. Fog Of War Sudoku is different from a usual Sudoku in the sense that in a Fog Of War Sudoku, most of the grid is covered with Fog. The visible cells in the grid have some clues. Based on these clues, the solver needs to find the correct value of the visible cells. As a correct digit is placed in the visible cell, the hidden cells surrounding that cell becomes visible and the solver discovers more clues. It is both fun and a challenge to solve a Fog Of War Sudoku. All the Sudokus are logically solvable and no guess work is required.

  All the Sudokus in the book are test solved by Édouard Lebeau and his timings for each Sudoku is also provided, so that the solvers can compare their solve times with one of the best Sudoku solvers.