The modern puzzle Sudoku was invented in Indianapolis in 1979 by Howard Garns. Garns contributed his puzzles to Dell Magazines, which published them under the moniker “Number Place”. Interest in Sudoku surged from a revival in Japan in 1986, when puzzle publisher Nikoli discovered the game in older Dell publications, and republished the format leading to widespread international popularity in 2005.

This tutorial teaches how to play a complete Sudoku game, showing us how to complete each slot. It is an easy example, with just one possibility for each number. Only for begginers.