Printable Jigsaw Sudoku
A Jigsaw Sudoku, also called irregular Sudoku, is a 9×9 Sudoku whose nine 3×3 boxes are replaced by nine odd shapes of nine squares each. Every sheet here has shapes of its own. Print one sheet or ten; each puzzle's answer comes on the page after it.
Quick answer
Every puzzle here has exactly one answer and can be solved without guessing. Easy puzzles need only naked singles: a square where just one number is left. Medium puzzles also need hidden singles: a number that has only one place left in a row, column or shape.