| Bally Astrocade type-in |  :RUN Maker | 1981 | Guevara, Andy |
| Computer | :YES | 1995 | Philips Austria |
| Commodore C64 cart. | A Bee Cee's | 198? | Commodore, Ltd. |
| Apple II cass. | A Beginner's Guide to Game Programs | 1977 | Hayden Book Co. |
| Apple II cass. | A Beginner's Guide to Game Programs and Number Programs | 1977 | Hayden Book Co. |
| Apple II 5.25 disk | A Bird's Eye View of The Main Idea | 1986 | Frontier Soft. |
| Apple II 5.25 disk | A Brand New View | 1987 | DC Heath & Co. |
| Phillips CD-i disc | A Child is Born | 1994 | Philips Interactive Media, Inc. |
| Fortune Teller | A Complete Astrology Reading | 1925 | ESCO Exhibit Supply Co. Chicago, IL, USA |
| IBM PCjr disk | A Computer Christmas | 1986 | Sierra On-Line, Inc. USA 20626 |
| Apple II 5.25 disk | A First Program About Insects | 1986 | January Productions |
| Fortune Teller | A Good Turn for the Blind | 1910 | Hart, Walter Ramsgate, England |
| Fortune Teller | A Guide to Romance and Success | 195? | ESCO Exhibit Supply Co. Chicago, IL, USA |
| HP 9845 Series pack. | A Histogram Formed from a Set of Numbers Model 22.9001 | 198? | Hewlett-Packard |
| NEC PC-8801 Series disk | A la carte 4 18 | 198? | Soft SOS Japan |
| Commodore VIC-20 type-in | A matter of routines | 1982 | Paradox Group |
| Working Model | A Message from the Sea | 19?? | Unknown |
| Working Model | A Murderer Pays the Penalty | 19?? | Unknown |
| Phillips CD-i disc | A National Parks Tour | 1992 | Philips Interactive Media, Inc. |
| Kodak Photo CD | A National Parks Tour | 199? | Unknown |
| Amstrad CPC cass. | A New Image | 1984 | Popular Computing Weekly |
| Commodore VIC-20 type-in | A Parade of Programs for the Fourth of July | 1984 | Scholastic, Inc. |
| Viewer | A Peep through the Keyhole | 1935 | Unknown |
| DEC PDP-8 soft. | A Programmed Associative Multichannel Analyser No. 8-65 | 1967 | DECUS Digital Equipment Computer Users' Society |
| DEC PDP-5 soft. | A Pseudo Random Number Generator No. 5-25 | 1965 | DECUS Digital Equipment Computer Users' Society |
| Apple II 5.25 disk | A Puff of Air - The Respiratory System | 1983 | Marshware |
| Commodore VIC-20 type-in | A Replacement for the VIC Joystick | 1983 | Hampshire Publications, Nick |
| Commodore VIC-20 type-in | A ROM Do On The Vic | 1983 | VNU Business Publications |
| Working Model | A Seaside Flirtation | 1906 | Lee, Nelson |
| Memorex VIS CD | A Survey of Western Art - The Electronic Library of Art | 1993 | Ebook |
| Commodore VIC-20 type-in | A Talking Vic | 1983 | Paradox Group |
| Bally Astrocade type-in | A To B | 1980 | Fabris, Robert San Jose, CA, USA |
| Phillips CD-i disc | A Visit to the Valley of Puebla and the Amparo Museum | 1992 | Philips Interactive Media, Inc. |
| Nintendo NES cart. | A Winner is You Model RET-WY-GBL Hb | 2016 | RetroUSB |
| Acorn Atom ROM | A&F UtiliKit | 1982 | A&F Soft. |
| Bally Astrocade type-in | A-1A The Arcadian Curve | 1982 | Lill, Ken |
| Bally Astrocade type-in | A-2 Art | 1982 | Lill, Ken |
| Bally Astrocade cass. | A-6 More Random Art | 1983 | Kendall, Stanley |
| Bally Astrocade cass. | A-7 Box & Circle Art | 1983 | Kendall, Stanley |
| HP 9845 Series cass. | A-C Circuit Analysis Model 09845-12620 | 197? | Hewlett-Packard |
