About Play Tic Tac Toe GamePlay Tic Tac Toe Game is a customizable version of the classic board game. In classic mode try to get 3 in a row playing against a friend or the computer. You can choose between 6 different icon sets, play on a square board size ranging from 3x3, 4x4, 5x5, 6x6, 7x7, or 8x8, and require 3, 4, or 5 in a row to win. In standard mode the center square is the most important as it has the most options. Each play session lasts for 3 minutes, with whoever wins the most time winning the game. This is a JavaScript web application which uses cross-platform mobile-friendly HTML. All modern web browsers like Microsoft Edge, Apple Safari, Google Chrome, Mozilla Firefox and Opera should support it. This game works on just about any type of computing device including Microsoft Windows desktop computers, Apple OSX Mac computers, iOS powered tablets and phones like the iPad and iPhone, laptops like the Google Chromebook, and the many types of mobile phones from manufacturers like Samsung which are powered by Google Android.