The Orginal Power Rangers Online
 

The Way Back Machine's archive of the orginal PRO ( ran by Chronoranger/MatrixMikey) is not being blocked right now. I don't know how long this will last though. But here is the link to one of the versions of the site. Click on the middle picture for the web portal portion of the site.

http://web.archive.org/web/200105151...ersonline.com/

Zhane the Gamezone is there. But I don't think the actual games are archived. But you can check it out for yourself. I'd do so asap though. As the archives could become blocked again. For some reasons the owners of the domain did not re-register. I assume when they get their site back up they will once again block the archives.