Barbara J. Feldman

Tic-tac-toe is a simple game (usually played with pencil and paper) that can be enjoyed by kids as young as three. What I find most fascinating about these online tic-tac-toe games, is their variety. The many creative twists that can be put on such a simple game are amazing. [Editor's Note: An updated version of this topic can be found here: Tic-Tac-Toe]