Into Sudoku 1.3   
by Into Sudoku   

This Sudoku program generates puzzles at every level which can be printed or can be solved on the computer. New puzzles are generated in a few seconds. This program also offers the unique features of teaching a player how to solve more challenging puzzles. The program can provide hints on which technique to use, so you will become a better player.

The program has ten predifined levels that are based on puzzles you find in newspapers and puzzle books. It is even possible to generate puzzles on a custom level.