The board in T3D is a 4x4x4 cube. Two players take turns placing their signs in available fields. The object is to place four of one's own signs in a line.
Lines can be in any direction through the cube.
In T3D you can play against PalmOS at level i or ii, play against another player or watch PalmOS play against itself. The playing level of PalmOS is quite challenging, but beatable. Copyright 2001 INT Media Group, Incorporated All Rights Reserved.