I believe that the first Portal game takes place in the late 80's, because of a small detail I saw. When you're escaping in Portal 2, GLaDOS says "Oh no, he found the cooperative testing initiative. It's something I came up to phase out human testing just before you escaped." Notice how she says "Just before you escaped."
To upgrade Portal for ArcGIS 10.6.1 or earlier, first upgrade it to an interim version (10.7.x - 10.9.x) and then upgrade that version to 11.2. Read the upgrade documentation for the interim version to confirm direct upgrades are supported for the Portal for ArcGIS version you start with.
The X Speedportal sees 4 main evolution points from its predecessor – the Speedskin 2.0 upper, Speedframe 2.0 outsole, its stability wings and the new heel. Right off the bat, the first change that hits you, is just how much tighter and structured the upper feels, thanks to the new Speedskin 2.0. If they decided to make another portal. What would you like to see? Prequel? Chell come back? GlaDos pov? What would you like to see as far as game play