(these pertain to Windows' default Unzipper Program. If you're using something like Winzip, just right click the .zip file, go to 'open with' and click 'compressed (zipped) folders' to use the deafult windows unzipper program
)
-unzip the folder
-a new window pops up with the unzipped folder
-it'll have a name like 'asteroids'
-double click to open it-
-there will be a 'data folder and a GED file
-open paint and save a random picture into the data folder under the name 'explosion.bmp'
-open the GED file and it SHOULD work perfectly
hope this has helped