The game is similar to the traditional game of tic-tac-toe, but is played on four 4×4 grids stacked vertically
It is basically a computerized version of the board game Qubic using traditional tic-tac-toe notation and layout.
as the name implies, a 3D version of Tic-Tac-Toe. The object of the game is to place four X's or four O's in a horizontal, vertical, or diagonal row on the 4x4x4 board.
To win, a player must place four of their symbols on four squares that line up vertically, horizontally, or diagonally, on a single grid, or spaced evenly over all four grids. This creates a total of 76 possible ways to win, in comparison to eight possible ways to win on a standard 3×3 board.
The game has nine variations: it can be played by two players against each other, or one player can play against a built-in AI on one of eight different difficulty settings. The game uses the standard joystick controller.
The nine games of which the first eight games are for one human player against the computer. The numbers 1-8 represent the skill level. Game 9 is a two player game. In the DOS version there are only two difficulty settings and no two player game.