Atarisoft, an Atari imprint that ports the company’s games (or licensed properties) to competitors’ hardware, reveals its port of Pac-Man for the Intellivision at the 1983 summer Consumer Electronics Show. The game proves to be a minor hit closer to Christmas. 
Atari, under its Atarisoft imprint, releases the Apple II port of Pac-Man, largely reusing the code of the earlier H.A.L. Labs title Taxman.
Atari, under its Atarisoft imprint, releases the Apple II port of Robotron: 2084.
Atari, under its Atarisoft imprint, releases the Apple II port of Dig Dug.