Revealing mistake: When they get Renn back into the room after he has been shot in the face with something acid-like, the smoke comes from behind his head. Not his face.
Revealing mistake: When Kazan lowers himself into the blue sound-activated room that is rigged with metal spikes, the set cube wobbles from left to right, spoiling the illusion that the cube is made out of solid metal.
Chosen answer: Having just tried it with my copy (Region 1), no, it doesn't appear to be true.
Tailkinker ★