Simple Sudoku makes high quality puzzles that are symmetrical, have a single solution and do not require trial & error to solve.
The user can also choose between five levels of complexity - from Easy to Extreme.
Each puzzle is generated randomly so there is an almost limitless selection.
To install automatically Simple Sudoku on your LiberKey, make sure you previously activated files associations from the "LiberKey Tools" menu.
You can then open the file directly to start the installation.