https://www.quaddicted.com/reviews/?filtered=PuLSaR released an expanded version of his Retro Jam 4 map: https://www.quaddicted.com/reviews/retrojam4dlc_pulsar.html.
A medium-sized map in Elder World style, essentially an Episode 4 remix as it includes at least one room from each level of Quake’s fourth episode.
https://www.quaddicted.com/reviews/screenshots/retrojam4dlc_pulsar_thumb.jpg