O vs X Duel
A strategical Tic Tac Toe game
Free · Designed for iPad. Not verified for macOS.
A new way to play Tic Tac Toe! You can play face-to-face or challenge the super powerful computer. There are three game modes waiting for you to challenge.
---- Classic TicTacToe has evolved! ----
Face-to-face battle | Smart computer challenge
Play TicTacToe with friends anytime, anywhere, and kill time easily! Challenge two computer opponents of different difficulty levels to test your strategy and wisdom. Can you beat the computer in hard mode?
---- Game Features ----
Classic Mode
■ Play against friends on the same machine to relive the fun of childhood!
■ Or choose a computer opponent and challenge it alone anytime, anywhere.
Endless Mode
■ Both sides can only place up to 3 O or X.
■ Starting from the 4th, the oldest piece will automatically disappear!
■ The strongest strategy and tactics are required to challenge the limits of your brainpower!
Obstacle Mode
■ At the beginning of the game, you cannot place chess pieces on a random grid, which adds variables and challenges!
■ Other rules are the same as the endless mode, which tests your ability to respond on the spot.
Download now and start the brain showdown!
Whether you are playing with friends or playing against the computer, it can bring you unlimited fun and challenges. Come and experience the new gameplay!
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Fix security vulnerabilities.
The developer, Cheng-Kai Wu, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Usage Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Cheng-Kai Wu
- Size
- 121 MB
- Category
- Strategy
- Compatibility
Requires iOS 13.0 or later.
- iPhone
Requires iOS 13.0 or later. - iPad
Requires iPadOS 13.0 or later. - iPod touch
Requires iOS 13.0 or later. - Mac
Requires macOS 11.0 or later and a Mac with Apple M1 chip or later.
- iPhone
- Languages
English and 2 more
- English, Simplified Chinese, Traditional Chinese
- Age Rating
4+
- 4+
- Copyright
- © 2025 Kai