Isanaki 2.1 is a free Sudoku Game and a Sudoku Board Generator and Solver designed for Windows 2K and XP. In this release, using the brute-force technique, it solves all boards (to the best of my knowledge) and, using human-like logic, it solves most of the hard Sudoku boards.

Isanaki is a free Sudoku and Wordoku Boards generator, solver and helper. The software supports 9 * 9 and 16 * 16 boards and generate boards with 6 levels of difficulty. It updates automatically the pencil marks in each cell of the board to show the remaining candidates. Isanaki provides help by explaining graphically how to solve next solution. Freeware garanteed without spyware.