please try this game, Quadrax 4.
It's a very hard puzzle game with 90 leves.
Just go to Caiman Free Games to get it.
"When completed all 90 levels you will get a password to start the level editor."
http://www.quadrax4.wz.cz/app/p3_en.html
OR:
http://www.caiman.us/scripts/fw/f3412.html
thank you jdl for archiving this art from Pauline and Janet!