FairElm Sudoku is a software program for learning Sudoku and generating Sudoku Puzzles. Sudoku Free is the completely free Sudoku training program. With this program, you can:
* Play puzzles at any difficulty - from Counting to Coloring
* Get hints and detailed help at any step in the puzzle
* upgrade to Sudoku professional for puzzle booklet printing

FairElm Sudoku has the following key features:
1.Automatic puzzle generation at any desired difficulty
2.Puzzle printing for any difficulty level
3.Guided trainer mode for learning new techniques
4.Hints or full explanations for each step
5.Edit mode for typing in Puzzles from Newspapers
6.Automatic puzzle solving using Single Step or Solve All modes
7.Difficulty levels based on solution technique
8.Multi-select cells and pencil marks for easy editing
9.Undo i.e. roll back and roll forward
10.Cell annotation using pencil marks or colours
11.Booklet Printing

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