What Are Good Systems to Model?

Ticket to ride doesn't feel like I'm building railroad companies or train tracks. It feels like I'm playing cards and then things are happening. That's something also just to kind of think about as far as your, your feel going back to that. Yeah, it totally depends on what your, your goal is, right? So tickets ride hugely successful game, right? But if your intent is to model a real world system, then I think tickets ride is too far zoomed out to actually be modeling a realworld system. Gotcha. All right, let's talk about systems a little bit more as far as what are good systems to model. Do you have any like rules