Star Trek: The original computer game
theregister.com
theregister.com
This article was from 2013, and the link to the collection of Star Trek programs is broken, but it's archived here: http://web.archive.org/web/20150303015501/http://www.dunning...
The link to the code for the specific version mentioned in this article is: http://web.archive.org/web/20150215080553/http://www.dunning...
Also, note that this article has two pages; scroll past the survey at the bottom of the first page to see the link to the next page.
I never was able to get past the first troll in Cave bit Star Trek. Man I played for hours and hours. A few years later I played again on our first PC (in between writing my own horse race probably predictor).
I love that game!