The game of Tic Tac Toe hardly needs any introduction. In this one, you play versus the computer.
The first program was written by Tom Koos; it was extensively modified by Steve North. The author of the second game is Curt Flick.
Two version of the game are provided - one generates to a terminal printer; the other generates to a CRT terminal.
The games are published as type-in source code in Basic Computer Games (Microcomputer Edition), ed. David H. Ahl with Steve North, Workman Publishing, New York, 1978 (ISBN 0-89480-052-3).
The BASIC source code listing is published in Microsoft BASIC 3.0; suggestions for conversion to a wide range of other BASIC implementations are provided.