Sea Of Thieves....

The team behind Sea of Thieves seem to be making progress as the videos linked below show. But there are people raising some valid concerns.

https://www.reddit.com/r/Seaofthieves/comments/5rovl8/for_a_game_thats_releasing_this_year_i_dont_feel/

The following from the developers are worth a watch/listen:

Sea of Thieves: Tales from the Tavern Podcast - Episode 6 

Sea of Thieves Developer Gameplay #1: "We Come Bearing Gifts!"