Down To Earth

In the year 3080 the Galactic Lifeform Commission decided to start work on an interstellar by-pass. It is your mission to clear the 30 different star systems and planets of all hostile habitation. You control a limited number of Astra-Dozers and must wipe out all Circsaws and Trigons. The Conenabs need not be eliminated and are mortal enemies of the Circsaws so this can be used to your advantage. The scenery consists of earth, rocks, and various wall formations, but occasionally you will discover supplies left by space probes. These may take the form of bomb craters, fuel drums or even spare dozers, all these supplies as well as your Astra-Dozer are fitted with anti-grav fields as they are not affected by gravity. Good luck.