I’m a big fan of the game Portal, and it’s fairly classic, but I’m baffled by this. Replica swords and other medieval weapons I can understand, even replica firearms, but a replica portal gun doesn’t even sound as interesting as a replica lightsaber (which I refuse to even consider until a blade portion actually appears when you turn it on).
A working one could be pretty cool, blowing holes in walls could be useful in certain situations. 😉
Well, I guess that would be a kind of portal, making it effectively a “portal gun,” though not quite what I had in mind. 😉