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View Game: Ultimate Tic-Tac-Toe

Ultimate Tic-Tac-Toe (

By, submitted on Feb 15, 2009
Min JRE version: 1.5
This game was submitted in the Java4K 2009 Competition.

Click here to play!


Inspired by OXO, a tic-tac-toe game created for the EDSAC computer in 1952 as part of Alexander Sandy Douglas’ groundbreaking Ph.D thesis on human-computer interaction, this is Ultimate Tic-Tac-Toe. The rules are essentially the same as traditional tic-tac-toe except that it is played on a 5×5 grid and the goal is to get four-in-a-row.

The application may take several seconds to launch as the graphics are rendered. Please be patient.


Click on squares to mark them.

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