"How the C64 started PointandClick adventures A journey through the history of technical achievements on a guided tour".
Presented by Martin Wendt at the Commodore 64 Symposium Bonn:
rtro.de/c64
Precorded before the live talk at the venue which was about the 'Past, Present, and Future of a Home Computer'.
Correction: all the walkbox paths were connected by hand for MM & ZMK back in the day!