Just to review in case someone missed it:
To use:
Download the file from the link above.
make the file executible. Either right click on it and hit properties and select permissions and check the execute box. Or chmod a+x *.run
run the file, it extracts a directory named planeshift. It is a complete setup minus art directories. Download the art tar.gz from
www.psmirror.org extract that file and place the resulting art directory in the planeshift directory created by teh .run you ran earlier.
To play planeshift, run psclient by either double clicking or from a commmand line: ./psclient