Tic-tac-toe
Tic-tac-toe was a Human game in which two players tried to fill three boxes in a row within a 3×3 square grid with either an X or an O (vertically, diagonally, or horizontally).

In the 2260s, a three-dimensional version of the game was often played in the recreation room aboard the . (, )

In 2373, when Harry Kim referred to kal-toh as "Vulcan chess", Tuvok commented that "Kal-toh is to chess as chess is to tic tac toe." ()

External links

de: Tic-Tac-Toe
Recreation