If you still want to play legacy you must right click rust on steam .then click properties and go across the top to beta then click the droop down box and click legacy then let rust update.once you join this server or any other but i advise you to join this one though if the server is not under attack. then you might need to press esc and change your controls because there won't be any nomaly. also you will probaly need grass.on false and render.fov if you use it