I realise I'm probably going to regret even making the topic given the nature of the internet, but I've been having ideas again now that I managed to get a properly working inventory up and running which really is the hardest part of doing an RPG code wise. To amuse myself I've been looking specifically at skill points and how they work as well as the 'skilling up' process. I always find myself drawn to the RPGs that are about skill points rather than levels purely because of the sheer variety they offer in terms of gameplay and it's not as limiting as class based gameplay. Although I think that class based gameplay can be fun if it's designed correctly.
I've been mainly looking at Morrowind for the moment, I tried looking at Fallout, but it's filled with normie shit thanks to youtube. I don't know if I should check out stuff like Ultima Online perhaps and older RPGs because that was from a time when gamers were allowed to be autistic with the maths on paper without having to hide everything behind code.
https://www.youtube.com/watch?v=c2GNNLz1pUU
This is the sort of thing I've been looking at, I'm just interested in learning the maths properly and checking out different systems. Obviously Fallout's SPECIAL stats are fairly iconic, but in the end their formulae isn't that out there. I'm not looking for sperging about skills generally, but specific mathematical formulae. In the video for example it details how much the experience points rate increases based on what type of skill you've put in a misc./minor/major category.
Also going to split this off in a separate comment, since my comment was already getting a little text-heavy:
Another thought that comes to mind, loosely based on what I was reading about Burning Wheel, is how 7 Days to Die's internal dismemberment system actually works. I'd have to read through the game's XML's again to refresh my memory, but the TLDR of it was that each limb had a different minimum threshold that needed to be matched or exceeded in order to achieve a dismemberment. (Player-side modifiers include the weapon/item class, weapon quality, weapon upgrades, and relevant player skill levels).
I once considered adopting some kind of a core damage formula loosely based on that, but was on the fence given how in many respects, it's still a purely numbers game only with slightly different rules. Plus you end up going down a rabbit hole of trying to overcomplicate other things like bleed-out and trauma mechanics...