APX encouraged any programmer, not just professionals, to submit video games, educational software, applications, and utilities.
APX published quarterly catalogs until 1984, when new Atari CEO James J. Morgan closed down the mail-order division.
[1] It intended to be the primary supplier of software for the platform, as had been the case with the Atari Video Computer System console.
Dale Yocum approached Atari with the idea of setting up their own third-party publishing arm.
They grudgingly agreed to let him do it because the Atari platform desperately needed a larger software base, a void not being filled by the other publishers of the day.
[4] The quarterly publication included descriptions and screenshots of each program, and advertisements for computer magazines.
The Antic Software catalog was bound into issues of the magazine and later included Atari ST products.
The 1982 winner was Typo Attack by David Buehler, a game designed to improve touch typing skill.
by Mark Reid, a maze chase game taking place across a large, scrolling city map.
Eastern Front and vertically scrolling shooter Caverns of Mars were both converted to ROM cartridges and became part of the official Atari product line.
It was serialized in BYTE prior to publication, then sold through APX as loose pages intended to be put in a three-ring binder.
Dunion's Debugging tool, or DDT, is a machine language debugger which was later incorporated into the MAC/65 assembler from Optimized Systems Software.