Sudoku game with numbers, letters or colors. You can play many variants - Killer, Greater Than, Consecutive, Odd/Even, Diagonal, Samurai and their combinations too.

• board size from 4 to 20 (default size is 9)
• editor and solver
• PDF creator, multiple Sudoku per page
• right-click sets marks (candidates)
• unlimited undo, redo

You can download released binaries (EXE file) for Windows from sourceforge.net.