There's a rather long documentary on it. I want to say by NoClip but not totally sure.

Short version is they came up with the idea in the 90s I want to say, playing tabletop with a friend group. Two main designers. Helped set up a company to make a computer RPG version and designed and built the game with a team. Outsider investing came in and bought up some amount of the company.

Once game was built and shipped and they were looking into what to do next they were effectively ousted from the company. So the two original designers of the game now get nothing and lost control of their passion project.

Edit: while. NoClip is making one, the one I'm thinking of was done by People Make Games. At least I think it's this one? https://m.youtube.com/watch?v=JGIGA8taN-M