That's a pretty weird characterization of "wanted to continue to be able to sell their existing 5E-compatible books, even if WotC goes insane again."3pp wanted to tap into the enormous success of the D&D brand but wanted to maintain their own product identity, so pitched clones as alternative games
I know. I wanna talk about 2024 D&D, WFRP and Arkham Horror.Someday we'll have a thread not derailed by the same people over and over, but not today.
I got it on a whim when buying the Monster Overhaul, because I wanted to add the theme of industrialization to my campaign. It is a little more magical than I had planned, but it pulls it off great, imho. I would very much recommend it.Very interested in this. You would recommend?
Also forgot about the excellent Monster Overhaul! That makes my list too.
I designed my own single book of (supplemental) player options and houserules to be used alongside Level Up. Been working on it for years, and share it with my players in all my games.
I unapologetically call it the Micahnomicon.

(Dungeons & Dragons)
Rulebook featuring "high magic" options, including a host of new spells.