Sobre lo de que la pantalla se congela, en las notas del parche 0.18 lo reconocen y pone que están buscando una solución.
Cito: "For some people, the game will freeze for 4-6 (actually 4-11 or so) seconds at irregular intervals. During this time nothing updates – the screen locks until it comes back from this issue. If you have your task manager open you will see the CPU go to 100%. We are aware of this issue. We don’t have a fix yet, but we’re working on getting a fix out for it as soon as possible."