In this game you get only one guess per play and you gain or lose points depending upon how close your guess is to the random number selected by the computer. You occasionally get a jackpot which will double your point count.
The game is 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.