Chisai Sudoku is a freeware sudoku game for Windows.
Features:
- 2,147,483,647 board configurations to play
- Three levels of difficulty
- Built-in tutorial shows you how to play the game
- Built-in AI engine to help you when you're stuck
- Ability to pencil in any combination of 1-9 in a square
- Fully playable with mouse or keyboard (or both at the same time)
- Visual Cross Hatching
- The game board resizes with the game window
- Ability to fill a blank game board with your own values and have the AI engine solve it (if it is solvable)
- Customizable colours to make the game look the way you want it to
