With CR-Sudoku you can generate, play, solve and save Sudoku games. It' s a freeware program. Software and manual are copyright. You can copy and pass it, but it is forbidden to change the program or the manual. We are not liable for any error in program or manual. Usage at your own risk. All generated games have only one solution and can be solved logically.
In CR-Sudoku all functions can be use with the mouse. To place your solution in the game you must first select the appropriate number in the number list on the right side by clicking with it with the left mouse button. The selected number is indicated in blue. Place the number with a click of the left mouse button in the desired field. The inputted numbers are displayed in blue
An entered number can be deleted by clicking with the right mouse button.
For the solution assistant auxiliary numbers can be placed into the fields. For the selection of the appropriate number click the number in the right list with the right mouse button. The number is displayed in red. Place the number with a click of the left mouse button in the desired field. The entered auxiliary numbers are displayed in red. The auxiliary numbers can be deleted by clicking with the right mouse button.

The license of this software is Freeware, you can free download and free use this sudoku game software.