In ,
Carl the stupid moronic freak from an alien planet
where his/her mother was a universal whore, wrote:
You would have to plug the hard drive into the other system, then
install the game, pointing the installation to where you have the
game installed on the usb drive.

so what most people ae saying is ,,,,,

TAKE THE GAME WITH YOU TO THE OTHER PC FORGET THE USB HARD DRIVE IDEA

why not just install it on the other pc?

regards slayer