Nothing to fear I hope. I might as well state that “transporter” was copied from Star Trek, another favorite SF show of mine. It is hard to come up with more original names. But the TARDIS (I explicitly did not call it THAT because of copyright) does not feature largely in this game. It is NOT the “artifact”…
Instead of using a chameleon circuit I might use a cloaking device… but that is ALSO blatantly stolen from Star Trek. How does someone drop into London without being noticed upon arrival? 
An Improbability Drive? Bistromath?
If copying a show’s thing is a problem, I can try to rewrite that part, but its only in the intro and outtro the references are made. Maybe Ally can shed some light on this (she got a peek preview)
The game itself is totally original (famous last words; I wouldn’t be surprised if someone goes “hey this is just like IFComp game XYZ”…) but the mechanic has been portrayed in at least a few sources I am aware of, but for different reasons. So I think it is unique enough to stand out. That is the one thing I wanted to achieve here: take that artifact idea and create something new which revolves around it. We will see if that vision worked…