3-D Tic-Tac-Toe

3-D Tic-Tac-Toe is a 1-player versus computer 3-D tic-tac-toe game for the TRS-80.

The player challenger the computer, which has 4 different difficulty levels, to a game of 3-D tic-tac-toe. Players take turns playing Xs and Os, and the first person to score 3 (or 4) in a row wins the game. Points can be scored in the x, y, and z axes. All commands are via text input, and graphically displayed on the screen.