Alternate Source, The Developers and Publishers Video Games

This was a very early company (beginning of 1980s?) which made a variety of things for the TRS-80 (usually named with TAS as an acronym). One of their products was The Adventure System, which was basically a Scott Adams adventure system. It could play his adventures and had support for writing your own. They also published at least two adventures of reasonable size with the package, and there were at least 25 more distributed in a package.

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