
16 x 16 Sudoku puzzle
A filled-in Hexadoku worksheet using 1-9 and A-G, with a separate answer.
A Sudoku X puzzle with shaded diagonals and a matching answer.
Use 1-9 once in each row, column and 3 by 3 box. Both shaded diagonals must also contain 1-9 once.
The puzzle has one solution under all five kinds of constraint. This is a worksheet, not the standard online player.
Image prepared by Sudokumax. Updated .

A filled-in Hexadoku worksheet using 1-9 and A-G, with a separate answer.

Five overlapping Sudoku puzzles joined into one verified Samurai worksheet.

An irregular Sudoku worksheet with nine connected regions and a matching answer.