100 different Samurai puzzles in different degrees of difficulty. The puzzles may be freely distributed or used for publication. Samurai are extra big Sudoku puzzles, therefor the rules for solving a Samurai are the same: Each row, column and region must contain the numerals from 1 through 9 exactly once. The Puzzles are in Adobe PDF file format and have not to be installed. You can easily print and then work them out with pencil and paper.