Gnome Sudoku is a logic game with a Japanese name that has recently exploded
in popularity. Originally developed by Thomas Hinkle, now included in
gnome-games. Gnome Sudoku is written in Python. GNOME Sudoku is meant to
have as simple, unobstrusive an interface as possible while still providing
features that make playing difficult Sudoku more fun.

WWW: https://wiki.gnome.org/GnomeSudoku