Eaden is, by and large, a place of comfortable routines. Wheatley's presence is a disruption, but one that is calmly welcomed, for the most part, and Chell helps him carve out his own new routine as she settles gratefully back into her own. The real bumps in their routines happen after dark, when the nightmares come back. After Portal 2, set in the universe of Blue Sky.

Meteors, signals, apologies, and that tricky little thing called humanity- four years after the events of Portal II, Wheatley's been handed a second chance, but it's not going to be plain sailing…