I was kind of intending this thread to be a storehouse of replies for
<hurrr but who would work without profit motive???? you ever thought about that commie?
where fans have for one reason or another put in a great deal of time and effort to maintain or recreate digital experiences.
For example, I stumbled on some videos for a fan recreation of TIE fighter which, from the clips of it, looks really neat. It seems like video related is a mod based off of another mod for the million year old X-wing Alliance engine. I need to look further into it and see if it's built off of the original game, or its own standalone deal meant to mimic it.
Then there's also Tamriel Reborn that seems like it isn't just a remake of the original, but actually expands on the original Morrowind, I guess to add back in all of the content that had to be cut. Apparently they've been going at it since 2001. https://www.youtube.com/watch?v=CKyrzZRo-O0
Then there's DOOM, which has just had an insane amount of work done on it and with it since it was released. It's actually pretty amazing to see what people are capable of doing with it after so long.https://www.youtube.com/watch?v=t3bwKzHEpbA