Shroud of the Avatar is an upcoming MMO from Lord British, aka Richard Garriot. It is being spoken of as the spiritual successor to Ultima Online and is alleged to be a sandbox game with story content. Besides multiplayer gameplay the game will also offer offline single player gameplay.

This weekend, 6-10 April, anyone can sign up and try out the game for free.

https://www.shroudoftheavatar.com/?page_id=29385