Eight screens from the Japanese artist from 2021 & 2022.
Drawn on a PC then ported to the CPC?
Your guess is as good as mine but maybe someone will let us know?
Links:
https://www.cpc-power.com/index.php?page=staff&lenom=Katoyama
https://cpcrulez.fr/auteur-katoyama.htm
https://demozoo.org/sceners/129243/
https://www.shadow-party.org/
Not emulated - original hardware and software.
Please note that the aspect ratio for this YouTube video is 16:9 but the CPC monitor
has an aspect ratio of 4:3 so you may wish to adjust your viewing device accordingly.