Sudoku Susser 2.04
This Sudoku assistant and master-level solver features a hints mode to show you what numbers are legal for the remaining squares.
The deducer uses human-style reasoning to solve the puzzles and can take you step-by-step through their solution with detailed explanations of each step. The brute force recurse option solves all puzzles. Highlighting modes help you see the patterns in the puzzles. You can even drag puzzles right from Web pages of major UK newspapers into the application, then edit, save and print them offline.