These are strange times and you're going to continue to see things operate different as time goes on until we completely get back to 'normal'.
According the Six Flags Darien Lake website:
To meet state social distancing guidelines and ensure the health and safety of our guests, all visits to the park must be pre-scheduled using our online reservation system...
New York State offers a wide variety of experiences because of how massive it is. You can experience the city with broadway shows and the urban experience on one side and Niagara Falls and scenic views on the other side. So where does it rank among the 50 states?