I found it from Omind / Bruce , who fount it on Hyperia
http://vrml-x3d.ning.com/forum/topic/show?id=2236150%3ATopic%3A7104&xgs=1
so it is here :
http://croquetconsortium.org/index.php/Main_Page
After deziiping all , clik - as says Bruce - on the
Cobalt.bat
it will open that :
clik and drag as it is said , and yu will get the world ...
moove by righ clik
...
I will explore more