You know how in Lacey's Pet Shop, Rocio says "these are the real girls' games" during the mirror scene?
I was thinking that the games are intentionally made to convey her trauma in a way that people would bother to listen to, by disguising them as kids' games, or rather, girls' games. Parents would get mad, yes, but her horrific life would finally be brought to the surface.
This could also tie into the concept of a traumatic cycle/generational trauma, or maybe breaking it. Rocio exposing young girls to this may scare them, yes, but perhaps it could also help them realize that what they may be going through is bad.
I just thought that these games being Rocio venting makes more sense than her possessing them IMO, due to how realistic the series seems to be.
The "Serial Experiment" artwork, as I'm calling it, that many cite as the main proof of the possession theory could've just simply been artwork that Rocio made as a way to convey how she felt. She used the internet as escapism, but it ended up basically controlling her, instead.
But then again, the part during Grace's interview where she mentions the games changing could be proof of this.
No offense to the people who believe the possession theory or any others, as this part was a mere nitpick of the theory itself.