Right. Just to Humour you. Reality has a pixel length called a Planck Length. It's the smallest theoretically made-up distance in the Universe, and it hasn't been seen.
If we are in a simulation, we should have direct control over matter using technology. In other words, we'd be able to manually edit the Planck Length of anything to get the result we wanted. We are nowhere near that kind of technology.
This isn't even going into dark matter, which is even harder to study than a Planck Length. I'd imagine that if we are in a simulation, it's dark matter that makes it work.
But this is all besides the point. Sitting there on your phone or at a computer, do you really care that you are in a simulation? Being alive is amazing in itself and to breathe and think is complex enough for one day, so chill out with the existential ponderings and try to stop thinking about concepts you have no control over.
tl;dr STOP GASLIGHTING THIS BOARD.