Sector B mod for Portal 2

Aperture Science, a company at the frontier for developing advanced portal technology, artificial intelligence systems, and the finest shower curtains you will ever bear witness to. But where does the magic happen? Deep within one of Michigan's many fine salt mines, that's where. A facility where, even when overrun by an artificial super-intelligence, there is still hope ('hope' defined as a testing environment where living humans and machines co-exist, not defining, necessarily, hope for the most efficient testing environment). Within the main facility, the Sector for advanced artificial intelligence research has gone AWOL, and we have our best men ('men' defined as artificial maintenance spheres of unspecified gender and quantity, not defining, necessarily, humans who are men - who are alive) working on a solution.Hope lives on in Sector B.

A research facility of Aperture Science, Sector B went missing shortly before The Cleanse on Aperture Science's "Bring your Daughter to Work" day. Spheres Purple and Pink (names not decided) know the protocol, and they need a masterfully agile and logically gifted test subject for the task at hand, but being disconnected from the main facility, they have few to choose from.
Consecutively waking up 'storage unit subjects' from the Aperture Science 'Aperture Science Genetic Matter for Hard Disk System' initiative, they begin testing to find the ideal subject. And that's where you come in.