While `dinput8.dll` is the most popular one, Ultimate ASI Loader (a popular tool for modding) supports _a lot_ of DLLs: https://github.com/ThirteenAG/Ultimate-ASI-Loader?tab=readme-ov-file#descrip....
Outside of that, other examples of DLL injection on top of my head are: - DXVK (non-global): https://github.com/doitsujin/dxvk?tab=readme-ov-file#dll-dependencies - (Plus `d3d12.dll` for vkd3d-proton) - SpecialK: https://wiki.special-k.info/en/SpecialK/Local - Optiscaler: https://github.com/cdozdil/OptiScaler?tab=readme-ov-file#optiscaler-supports...