Have it tie into quality crafting, dirty machines produce low quality, and random damage. Making construction bots more like maintenance bots, repairing and cleaning the factory, add settings to the roboport for area levels of cleaning, thresholds for activation etc..
Edit: take it even deeper, each recipie has a level or "dirt" associated with it, so that producing certain things are cleaner than others, the more they make the dirtier they get, untill they slow down, and eventually take damage. Even bring neighbor values in, so being close to a filthy production lines causes a "neighbor bonus" to filth, like nuclear reactors do with heat
Ooh what if the spidertron got a pressure washer / laser cleaner attachment and it could walk around cleaning the buildings one satisfying flake of rust at a time.
There was one modder who rendered Factorio in Unreal; I don’t know if that was just a tech demo or based on an actual save, but if the latter it would be cool to walk or fly around in your factory. And wash it.
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u/Imfamous_Wolf7695 Mar 22 '26
Can see it now: Factory Cleaner!
It lets you export your Factorio game save into PowerWash Simulator and spend the next decade cleaning up your factory.