A Noughts and Crosses project based in Unity3D has a 3x3 grid structure working as a template, also has AI and a scoring system in place great source to use for your own apps or projects. Open source project as will be sharing for my studies.
https://www.youtube.com/watch?v=ZqN6SPxXUzc&ab_channel=HappyDayzGames
"Tic Tac Toe" is a fan-made remake inspired by the original game "OXO (video game)" developed by Sandy Douglas 1952. Game Concept and Design.
"Tic Tac Toe" and all related characters, locations, and assets are the intellectual property of Sandy Douglas 1952. All rights reserved. This project is a non-profit, fan-made tribute to the original game.
"X&O Duel" is a non-profit, fan-made project. It is not intended for commercial use, and we do not claim ownership over any of the original "OXO (video game)" developed by Sandy Douglas 1952 assets or intellectual property.