HyperGrid
Getting on the HyperGrid
HyperGrid Metropolis Registration:
http://www.hypergrid.org/metropolis/metro_rg_en.php
Download and Install Firestorm viewer for OpenSim (be sure to select the OpenSim compatible option):
http://www.firestormviewer.org/downloads/
Launch Firestorm and enter the login info used for registration, select Metropolis Metaversum at "Log into Grid" and then hit "Login". Once connected find your way to hop://hypergrid.org:8002/ChezHack/122/175/31 you can use the World Map feature (Ctrl+M) and type ChezHack into the find field and teleport.
Building on the HyperGrid
Metropolis OpenSim:
http://hypergrid.org/metropolis/wiki/en/index.php/Downloads#Simulator_Software