Valentine's Day - Super Hard Sudoku (Hearts)

This Super Hard Sudoku puzzle features a 9x9 Sudoku puzzle to solve and a picture of hearts to color. The Sudoku puzzle is printable and changes each time you visit or click on the Refresh button below.

With this Sudoku puzzle generator, you can easily create new puzzles to use in the classroom or at home.

The puzzle also has an optional answer key checkbox that you can select, if you wish to print out the answer key.

Level of Difficulty: Super Hard

Sudoku Strategy: To solve the puzzle, you need to fill in the missing numbers (from 1 to 9) so that each column, row and 3x3 subgrid does not contain the same number more than once.

Valentine's Day Sudoku Key

461325897
795486123
328719546
542963781
987541632
136278954
254197368
813654279
679832415
sudoku puzzle with hearts

 Check this box to display the answer key

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