Tic Tac Toe AI is a free Android game developed by Tai Nguyen Huu, falling under the category of strategy games. With its Artificial Intelligence technology, it offers a new experience of smart board game strategy, full of challenges for human beings. The game has simple rules where the player aims to gain a consecutive series of 5 X (or O) symbols in a row on a squared paper sheet. The game has 10 rounds in each match, and the player who gains 6 earliest rounds will win.

The game offers different modes including 1 player mode against AI machine, 2 player mode on the same device, and online mode to play and chat with friends or opponents from around the world. The game also offers multiple options for paper sheet sizes, ranging from 7x7 board to 60x60 board. The AI technology is designed with 6 levels to serve players from beginner to grandmaster. The game also has a training mode to help players improve quickly after each game match with tactical advice based on the condition of the game match through Helps and Undo function.