Right, so that's the challenging part about building a client. But you still want to build the server first, and let that be the authoritative source of gamepl

Right, so that's the challenging part about building a client. But you still want to build the server first, and let that be the authoritative source of gameplay design, because a desync for one person is not as bad as a desync for everyone but one person. (And that only becomes more true as the number of people on your server grows.)