About the Book
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 81. Chapters: Sokoban, Logic puzzle, Sudoku, Nonogram, Survo Puzzle, The Hardest Logic Puzzle Ever, Zebra Puzzle, Slitherlink, Mastermind, Killer sudoku, Kakuro, Missionaries and cannibals problem, Prisoners and hats puzzle, Tantrix, Induction puzzles, Wason selection task, Knights and Knaves, Verbal arithmetic, Nurikabe, Lasertank, Balance puzzle, Fox, goose and bag of beans puzzle, Battleship, Bridge and torch problem, KenKen, Mutilated chessboard problem, Fillomino, Lights Out, Dissection puzzle, Str8ts, God's algorithm, Masyu, Cross-figure, Heyawake, Truel, Lonpos, Nikoli, UDigits, River crossing puzzle, Hashiwokakero, Ages of Three Children puzzle, Futoshiki, Fill-In, Hitori, MU puzzle, MindTrap, Four glasses puzzle, Gokigen Naname, Light Up, Train shunting puzzle, Kuromasu, Super Swap, Bulls and cows, 1001 Crystal Mazes Collection, Wine/water mixing problem, Robot Rescue, Tetsuya Miyamoto, Shinro, Navigrid, Clue Suspects, Numberlink, Monkey and banana problem, Yajilin, Isolate, Trigon puzzle, Eight ball problem, Theseus and the Minotaur, Keisuke, Atsumari, Ripple Effect, Goishi Hiroi, LITS, Hotaru Beam, THOG problem, Yajisan-Kazusan, Inshi no heya, Hidato, Stained Glass, Supermind, Logic maze, Tatebo-Yokobo, Izukirudo, Tatamibari, Shikaku, Buchstabensalat, Self-reference puzzle, Country Road, Crosswordoku. Excerpt: Sudoku .)); English pronunciation: -koo) is a logic-based, combinatorial number-placement puzzle. The objective is to fill a 9x9 grid with digits so that each column, each row, and each of the nine 3x3 sub-grids that compose the grid (also called "boxes," "blocks," "regions," or "sub-squares") contains all of the digits from 1 to 9. The puzzle setter provides a partially completed grid, which typically has a unique solution. Completed puzzles are always a type of Latin square with an additional constraint on the ...
