Mission Impossible is one of the world famous Scott Adams text adventure games, sold by his company Adventure International. These adventure games were ported to just about every major home computer system made, and were very popular. Their are versions now for PC's that are obtainable from the web, for free.
Title: Mission Impossible
Author: Scott Adams (original 1979 version for other computers)/Roger Schrag (Coco conversion)
Publisher: Adventure International
Released: 1982(?)
Requires: Color Computer 1,2,3, 16K RAM, tape or disk.