Mission Asteroid

Enter the world of computer adventure. Each Sierra On-Line adventure takes several weeks to master providing hours of fascination and intrigue. The player must use their imagination and logic to unlock the mysteries of each adventure.

Map skills are a must since our adventure games contain over a hundred full-color computer-generated images which lead you in every direction. So, muster up all your wit, logic and perseverance for this is a Sierra On-Line adventure and a challenge to your ingenuity.

An asteroid of overwhelming proportions is on a collision course with the planet Earth. As an astronaut, it is your duty and hazardous adventure to rocket to the asteroid and alter its course. But, there is no time to waste! If procedures and instructions are not followed precisely, disaster is eminent. . The trouble is: you will be unable to find the asteroid without a flight plan.