Where videogames have an edge on sudoku is in their ability to adjust to the skill of the player.
There are sections for games (crosswords and sudoku) and, naturally, gossip.
Oh sure, the kids are just using it to gossip and play sudoku.
a puzzle consisting of a 3-by-3 grid of nine squares, each of which is similarly divided into nine smaller squares, some containing a number. The aim is to fill in numerals from 1 to 9 so that every horizontal and vertical line and every large 3-by-3 square contains only one instance of each number; also written sudoku
Sudoku has joined crosswords in most newspapers.
1980s
See Sudoku