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12+

Apps in this category may contain occasional mild indecent language, frequent or intense cartoon or real-life violence, minor or occasional adult or sexually suggestive material, and simulated gambling, and may be for children under 12 years of age.

17+

You must be at least 17 years old to access this App.

Apps in this category may contain frequent and intense offensive language; Frequent and intense cartoon, fantasy or realistic violence: frequent and intense adult, scary and sexually suggestive subjects: as well as sexual content, nudity, tobacco, alcohol and drugs, may not be suitable for children under 17 years of age.

XO Challenge Screenshots

iPad

iPhone

About XO Challenge

Now you can play Tic Tac Toe on your iPhone or iPod Touch for free.

In XO Challenge you will play against a Machine Learning model living in your iPhone. This ensures that your iPhone won't keep making the same moves over and over again.

XO Challenge offers a new game mode in a In-App purchase

* Times Up! game mode. You only have 1, 3 or 5 seconds to think your next move

Behind The Scenes

XO Challenge was born during the time I was writing a serie of articles about Core ML and Create ML, part of Apple technologies related to Machine Learning (aka ML).

Would be possible that a ML model "learn" to play an simple strategy game and even defeat a human player?

Well, the answer is a download far from you.

Enjoy!

The articles serie...
http://desappstre.com/category/machine-learning/create-ml/

Thanks to UCI to mantain one of the best ML models repository. The model used in this app could be found at...
https://archive.ics.uci.edu/ml/datasets/Tic-Tac-Toe+Endgame

Dua, D. and Graff, C. (2019). UCI Machine Learning Repository [http://archive.ics.uci.edu/ml]. Irvine, CA: University of California, School of Information and Computer Science.