I think this usually boils down to incomplete or buggy support for older 3D apis in modern graphics cards, as the fixes for these games almost always end up bei

I think this usually boils down to incomplete or buggy support for older 3D apis in modern graphics cards, as the fixes for these games almost always end up being to use a wrapper that translates them to modern Vulkan or DirectX like dgvoodoo or nGlide, similar to what Proton already has to do for these games.