In 1984 Michael Crichton looked into new ways to tell stories. Computer games were en emerging medium, and he ventured into this with an adaptation of his novel Congo into a computer game which he had to rename and relocate to the Amazon, due to copyright issues. See the full story in http://mentalfloss.com/uk/games/when-michael-crichton-co-wrote-his-own-videogame .
As is also mentioned in the article above, he had another go in 1999 with his game adaptation of his novel Timeline.