When we try to think up likely spin-offs to franchises, a bridge construction game for Portal isn't one that comes to mind. But here we have it: Bridge Constructor Portal is coming to the PlayStation 4 in early 2018.
The YouTube description states that: "Bridge Constructor Portal will blend the laws of structural engineering and technology straight from Aperture Laboratories into an exciting new game experience, all under the demanding gaze of GLaDOS."
How underwhelmed are you by this? Teleport us to where this is a Portal 3 announcement in the comments below.