it's 2024, and the example is not red dead redemption 2, just a fucking cum animation.
the real answer is most adult game devs produce their graphics via
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and
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.
the devs can find good cum assets in renderotica for daz, but for illusion stuffs it's impossible to create.
My answer would be that over the last few years, there are better games on here that are doing a much, much, much better job at it than any games were prior to that. The improvement is massive with the ones that do it right.
Fluids are difficult to render in 3D.
Very difficult, and most dev are not professional animators/3D sculptors. It will be easier to draw on top of a picture, but still, it will require a skilled artist proficient in photoshop.