You are able to join us on our Steam Page. You just have to click a "Request Access" button.
Take a look on our gameplay trailer. There present most of our mechanics briefly (sailing, craft, exploration, naval battles and inland expeditions):
Also, we post the updated screenshot of Maritime Calling.
1)The helm view and a new island
2) A battle
3) The Blacksmith as a part of craft system
4) The Kitchen + UI
5) The crew management window
6) An Inland expeditions view
Stay sharp and have a good play)