500 Free Sudoku Puzzles

These Sudoku Puzzles hves a unique solution that can be reached logically without guessing. Enter digits from 1 to 9 into the blank spaces. Every row must contain one of each digit. So must every column, as must every completed puzzle.

Includes:
100 Easy Sudoku
100 Medium Sudoku
100 Hard Sudoku
100 Extra Hard Sudoku
100 Insane Sudoku