The Vortex Factor is the 6th and final game in the animated graphical adventure series that Mark Data Products put out in 1983-1985. It was also the only one not ported to the IBM PC. The Mark Data animated graphical adventure series were similar in concept to the Datasoft Animated Adventure Series (starting with Sands of Egypt), but had the distinct advantage of being small enough to distribute on tape (which also widened it's audience). This was the 4th original game in the series by Stephen and Bob. In this science fiction game, you must time travel to gather 9 treasures to bring back to the museum that you start the game in, using the standard noun-verb adventure game format. Various things are graphically animated, such as machines, aquariums, etc. etc. It should be noted that this downloadable version was modified by Robert Gault to allow save games to disk, instead of the original cassette only.
Title: The Vortex Factor
Authors: Stephen O'Dea, Bob Withers
Publisher: Mark Data Products
Requires: Color Computer 1,2,3, 32K RAM, tape or disk.
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