The 1.0 version of Plain Tic Tac Toe for Mac was available to download on the developer's website when we last checked. We cannot confirm if there is a free download of this app available.
Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe. This free software for Mac OS X is a product of Amit Markel. Plain Tic Tac Toe for Mac lies within Games, more precisely Strategy.
From the developer:
Plain Tic Tac Toe is a classic Tic Tac Toe game that has neither redundant graphics, nor large window sizes. The game can be played by two players or you can compete against the computer. On this game, the computer may be beaten. The settings are integrated right within the application menu for fast changing of preferences.
You may want to check out more Mac applications, such as Tic Tac Toe vs. Rock Paper Scissors Seasons, Tic Tac Toe vs. Rock Paper Scissors or Big Bang Tic-Tac-Toe, which might be related to Plain Tic Tac Toe.
Puzzle
Board