"Trax is a two-player abstract strategy game of loops and lines invented by David Smith in 1980.
The game is played with a set of identical square tiles. One side of the tile has red and white straight lines and the other red and white curves." --Wikipedia.org
This Mac version only supports human opponents (it was meant to be networked) and is no longer updated or supported. More recent and full-featured versions for Windows (including an AI opponent) can be found at Traxgame.com.
An iPhone version is available from the App Store.Compatibility
Requires PPC and Mac OS 7.5 or later.