If you are looking to download or use this file from an archival site:
While the "pc.zip" suffix strongly suggests the vintage video game, the term "ISIS" appears in other technical contexts: Isis-1.02-pc.zip
Integrated Software for Imagers and Spectrometers (ISIS) is used by USGS Astrogeology to process planetary image data. If you are looking to download or use
The file is typically a compressed (.zip) archive containing the executable and game data needed to run the software on a computer. Other Potential Meanings It is often found in digital preservation archives
The file is most commonly associated with ISIS , a puzzle-adventure video game released in 1992 by Panasonic for the PC. It is often found in digital preservation archives like the Internet Archive within collections of classic PC software or "redump" sets. Overview of the Software Release Date: 1992 Platform: PC (MS-DOS) Genre: Myst-style puzzle adventure.
On archive pages, look for the Download Options section on the right side of the page to find the specific .zip file.