Found a windows version here:http://www.easysw.com/~mike/sudoku/index.html
Could run it in Wine 0.9.20
[Wine] Playing Sudoku [just for info]
[Wine] Playing Sudoku [just for info]
Puppy Linux 2.02 SMkey, KDE354mini, wine0.9.20, devx-qt-renamed.
Puppy Linux 2.10r1 SMkey, JWM, devx_qt_renamed_210, KDE355mini
Puppy Linux 2.10r1 SMkey, JWM, devx_qt_renamed_210, KDE355mini