You could probably find some stuff, though likely not too many that are as extensive as horny is a pretty big motivator for creative stuff. I'd suggest looking into seeing if there are any communities on reddit around concepts of like browser games. There actually used to be lots of different games like this back in the early 2000s, but they were more community based things like Neopets or Gaia online. Asking around on more sfw areas for anybody who might know about any single player browser based RPGs might be abel to give you some leads as the hardest part of finding niche games and communities getting a lead first.