1. Create clones of the satellite. Hide master sprite 2. Clones should start appearing from top corners of the screen 3. Use right /left arrow to point the cannon head 7 degrees to right and left 4. Cannon should shoot yellow bullet. When bullet hits satellite, satellite should hide (delete clone) 5. Satelliite drops red bombs at random intervals 6. When bomb hits building, buildings ,buildings hide 7. Create variable. Reduce one number everytime building gets bombed 8. When all buildings get bombed, game is over (lost backdrop)