[I]n this program, the computer picks a random letter of the alphabet and you must guess which one it is by using the clues provided as you go along. It should not take you more than five guesses to get the mystery letter.
The program...is loosely based on the original written by Bob Albrecht
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.