A collection of programs and demos.
A challenging puzzle game where you fill the empty squares on a 9 by 9 grid with numbers so each column, row and 3 by 3 section contain all the numbers 1 to 9. Each number from 1 to 9 can appear only once. Click here to learn more about Sudoku. This version is written in Javascript using a canvas html element. Plays best with PC and mouse.