As part of his Inside Xbox appearance, Joe Neate revealed an exclusive cosmetic reward to celebrate E3.
Play Sea of Thieves any time from June 10th till June 15th to receive the Spartan ship livery, sails, flag and figure head for free!
Update:
The Sea of Thieves twitter account answered some commonly asked questions about the Spartan set:
To answer your Spartan Ship Set questions:
To earn the set you need to play #SeaOfThieves between now and 23:59 BST on Saturday.|
You can play either Adventure or The Arena to qualify.
We'll add the set to your account within 72 hours of your first play session.
Go, go, go! https://t.co/bemgy4DKZO
— Sea of Thieves (@SeaOfThieves) June 11, 2019
Remember, during E3 Game Pass Ultimate is currently $1, and buying the game outright is just $25.