Double Sudoku

A double sudoku is made up of two standard sudoku puzzles overlapping. Each of them cannot be solved on its own; you have to use clues from one puzzle to solve the other, and vice versa.

A double sudoku—two overlapping puzzles.

A double sudoku—two overlapping puzzles.

In Category: Rules
Show 0 Comments
No comments yet. Be the first.

Leave a Comment