I made this small map which demonstrates how 11.ai can be used to create completely new in-universe scenes featuring HL2's original characters. It's set shortly before E:Z2 and explores a scene implied by one of the Radio Guy recordings.
I dug up something funny while sorting through old files.
While making E:Z2, we wanted scenes to change based on whether Wilson was with you, and we explored a few different options for that. Normally, scenes are played using a unique entity in the level editor that looks like the icon on the left/top. I considered making a custom version of this entity which would take Wilson into account and play a different scene if he was with you, so I made a custom version of this icon seen on the right/b…