Crypt-O-Grams (Modified) © 1983 Fabris, Robert.
Crypt-O-Grams was originally submitted by Ken Springsteen. In this version (AstroBASIC only), the down arrow allows you to enter the letters without them appearing on the screen.
Published in Arcadian 6, no. 1 (Nov. 29, 1983): 3. (Crypt-O-Grams (Modified) BASIC Listing)
Programmer: Robert DeHaye