I just saw this article and thought it was interesting. It made me think about how Eric would have made some really amazing Doom mods that would have gotten a lot of attention from the community...
https://www.pcgamer.com/the-doom-mod-of-the-year-just-dropped-in-a-mysterious-forum-post-and-goes-so-hard-we-dont-even-want-to-spoil-what-comes-next/
https://www.pcgamer.com/the-doom-mod-of-the-year-just-dropped-in-a-mysterious-forum-post-and-goes-so-hard-we-dont-even-want-to-spoil-what-comes-next/