Looking on the Software Preservation website, there seems to be two versions of this game:
http://www.softpres.org/games?search...ype=0&offset=0
The screenshots on HOL are probably taken from the earlier version. Notice the LJN logo is black and white in your version - they put more colours into the face and it looks much more improved than the earlier version.
If you look at this Amiga Format review they also seem to be using the new improved version for their review:
http://amr.abime.net/review_1160