400 + puzzles VARIETE Calcudoku - Killer Jigsaw - Numbricks - Chain.

Sit back and plunge into the world of numbers. 100 puzzles Sudoku Calcudoku 9x9 - 25 Easy, 25 Medium, 25 Hard and 25 Very hard. 100 puzzles Killer Jigsaw Sudoku - 25 Easy, 25 Medium, 25 Hard and 25 Very hard. 100 Numbricks 12x12 puzzles - 25 Easy, 25 Medium, 25 Hard and 25 Very hard. 100 puzzles Chain Sudoku 9x9 - 25 Easy, 25 Medium, 25 Hard and 25 Very hard. Calsudoku - this is a mathematical and logical puzzle. It is necessary to fill the grid with numbers so that in each line and in each column they are not repeated. The number in the corner of each selected block is the result of an arithmetic operation on the digits in this block. The numbers inside the block can be repeated. The puzzle can be called Square Wisdom, Kendoku. Killer jigsaw sudoku - This Sudoku leads step by step to the top of the skill. It is necessary to fill empty cells with numbers from 1 to 9, each of the digits should appear only once in each row and column of the 9x9 square. The puzzle contains areas in an arbitrary form. The sum of all the numbers in the cage must correspond to the number printed in the corner. They can be called figurative or geometric, they also have names (Killer Jigsaw Sudoku, Killer Geometry Sudoku, Killer Irregular Sudoku, Killer Kikagaku Nanpure). NUMBRICKS - A logical puzzle. It is a rectangular grid, in some cells of which there are numbers. It is required to fill empty cells in such a way that all numbers are connected in series, horizontally or vertically. Moving diagonally is not allowed.CHAIN puzzles. Sudoku consists of a chain of circles. Figures are arranged in circles in such a way that horizontally and vertically all numbers are different. In the links of one chain, the numbers should not be repeated. Unique puzzles. + 250 sudokus difficult level that can be downloaded and printed. + 250 maze puzzles that can be downloaded and printed. Only 1 verified solution. All answers are at the end of the book. Exclusive puzzles. A great book for free time and studying the mind. I hope you enjoy the book. Best regards, Basford Holmes