iburai / landfall / evileye integrated the portal gun into his sheroes server. you can find his code here:
its not packaged as a superhero; but it has been integrated into his superhero server. i dont know that much about it, i just noticed it was included with his package when i was checking it out recently.
so im also unsure what its going to take to port and get working, nor where he got it in the first place. after a search, looks like numerous portal gun packages are out there. glancing at them quickly, i liked this one: