Literally every game modding community ever:
this post was submitted on 25 May 2025
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World of Warcraft plugins and Awesome WM configs. There are some decent 2d game engines that use Lua too, like Love2d!
Lua is a super underrated language. The standard implementation is under 500kb and it can run almost anywhere. Including inside other programs and on embedded systems that dont even have an OS.
It is great for scripting things that do not need to run exceedingly fast, or are not exceptionally complex.
2D games? UI? Absolutely.
Even many subsystems of 3D games can be handled decently well. Procedurally populate a map with items, or generate some NPC populations or weapons or items based on mixxing and matching a bunch of preset components, throw some kind of event tracking and event driven system on top of already existing systems to give your world more depth and breadth.
But by the time you get to... trying to do an entire 3d render pipeline for graphics more complicated than roughly an N64 or PS1, all of your netcode in a conplex and fast paced game, an entire dynamic 3D physics engine with many active objects... try to to that in Lua, you're probably not gonna have a good time.
At that point, as the Open MW devs have shown... you can technically stilluse Lua to do this, but you've gotta be running your Lua through LuaJIT, that essentially compiles the parts of the Lua code that need that speed into C, and then run it in C.
At that point, it arguably makes more sense to just... take those parts of the code and just actually, always, run them in C or C++ or Rust or something.
... But after saying all that, I do not mean to take away from what you are saying, which is that Lua is extremely flexble and absolutely does have a wealth of legitimate uses cases.
Donβt forget the one statistically to be enjoyers of war crimes.
Rimworld mod authors.
Lua is awesome, I added some scripting to toggle replay buffer on OBS and to save recording from buffer then restart the buffer. IE: Save last 10-15 minutes of gameplay.
Very cool to do it in Lua.
The helldivers 2 developers, for whatever reason
also Subnautica
Fantasy Console devs
Factorio mod dev?
Defold.
luanti mod dev?
Hey, there's the one I was looking for!
Computercraft enjoyers
Today I learned there is a use for lua besides neovim
To me, Lua will always be the WoW plugin language.
Don't forget Gmod modders!
Gmod is the first thing I think of when I hear Lua.
Glua is bizzaro world Lua though.
It was so, so, so much worse back in the early days when the FacePunch forums still... existed.
Probably a majority of forum posts, for years, were people screaming at Garry for making posts that just said something like 'its obvious how this function works, I don't need to explain it', and then oops turns out he did it wrong, new gamebreaking bug / exploit exists for 3 weeks, the first week of which was random forum people telling Garry he did it wrong and him temp or perma banning them.
That or he would very often just rewrite entire core function libraries, make a tiny 8 word bullet point about it in an avalanche of a changelog, and then say something like, 'shouldn't break existing code', and then well, it would completely break existing game mode code, and then 80% of the most played custom game modes would be broken for a month or more while Garry just either ignored everyone, or told them he didn't care.
...
Also, Roblox just is Gmod in many ways, but with a highly manipulative monetization model built in.
All the Gmod RP servers would paygate player roles and content and such offsite, outside of the game, setup a webpage or forum that worked as an ecommerce site, run a dedi db and then API connect that into Gmod... Roblox is all of that, but self contained, and with a lot more lawyers on hand to prevent monetization outside of the game itself.
Me, an XPlane boi. Quietly flying with my Lua scripts.
Well, and then there's the guy who made Balatro in Lua.
Using the love2D framework if not wrong
Yup! If you have it on steam you can unzip the exe and take a peak at his code.
lualatex?
and PICO-8 devs!
People who create LMOD modules
LΓΆve2D gets zero lΓΆve :(
Lua doesnβt do zero, in case its users find the concept confusing
Ok
Dont forget OpenComputers users! Theres gotta be five of us by now.
Including the people that only used computercraft?
There are dozens of us! Dozens!!!
Avoid them both.
Isaac modding
lua_State *L disagrees.
Mudlet users.
I'm using lapis for stuff.
^lua's^ ^c^ ^api^ ^is^ ^also^ ^really^ ^good^
WoW Addon programmers?
Payday 2 mod dev?
Conky users?
To my surprise, I just found out that my favorite e-books launcher was entirely developed with Lua.
Project zomboid dev
Farming Simulator modders!