On the blogspot page (won't post link but you can find it scrolling down some in a search) for MonsterGirlDreams there's a note on the About/Content page that goes as follows:
Content that I will not be adding to this game, in no order:
Futa
Furry
Scat
Piss
Vore
Under aged
Excessive Violence and Gore.
M/M content
Probably some other stuff too that i've forgotten about
But the game is moddable.
So technically anything goes if you mod it.
You could even add hand holding, you degenerate.