Sea of Thieves is currently going through a closed Alpha phase on Windows 10 and Xbox One, but that's not stopping Rare from posting fresh trailers!

This latest Alpha trailer details what testers can expect from update 0.1.1. It includes a much-expanded world and the inclusion of the game's first NPC enemies.

The trailer shows various new island layouts, ripe for the plunderin'. Sea of Thieves is also sending out a fresh wave of invites to its closed Alpha. If you have signed up to be a Sea of Thieves Insider, you should check your inboxes as soon as possible. If you're not a Sea of Thieves Insider, then what are you waiting for? Head over to here to sign up.

Sea of Thieves will launch on Xbox One and Windows 10 as an Xbox Play Anywhere title sometime in 2017. The full game is slated to be a permanently connected world where crews of up to four players must work together to sail ships, upgrade them, recover buried treasure and battle angry sea monsters.