Sea of Thieves has plenty of Xbox-themed celebrations for 7th anniversary Sea of Thieves will celebrate its anniversary with a new event, new Xbox Series X|S dynamic backgrounds, a sweepstakes for a limited controller, and more.Heidi Nicholas Published 12 Mar 2025 FollowtopicsSea of ThievesXbox Game StudiosOnline MultiplayerOnline Co-opXbox Series X|SFirst Person ShooterHeidi Nicholas Sea of Thieves celebrates another anniversary this month. Even if you've finished up with the Sea of Thieves achievements, there's plenty to do in March in what continues to be one of the best Game Pass games out there.Sea of Thieves ready to celebrate seventh anniversaryMarch marks seven years since the launch of Rare's popular pirate gameThere will be a celebration event, community weekend, and more to celebrateRare is also planning new dynamic Xbox Series X|S backgroundsFirst up is the Seventh Anniversary Celebration Event from March 14 to March 22. "During this month’s Event, all pirates are invited to tackle a series of Community Goals inspired by memorable moments in Sea of Thieves’ past. By working together to hit cumulative targets, you can unlock a range of rewards commemorating some of those unforgettable encounters and discoveries," Rare says.March 14 will be a busy day, since Rare is also planning new Sea of Thieves dynamic backgrounds for Xbox Series X|S which "aim to capture the essence of Sea of Thieves, from its breathtaking scenery to moments of seafaring peril." On the same day, the Sea of Thieves soundtrack will get a "unique rendition" of Happy Birthday.March 17 will see new merch added in the Xbox Gear Shop, while from March 17 to March 24 there will be an Anniversary Sale in the Pirate Emporium.On March 20, the Sea of Thieves: 2025 Editions will be available to purchase with Deluxe and Premium Editions available, and "maybe others." On the same day, a Sea of Thieves background will be available in Microsoft Solitaire. A community weekend will go live from March 22 to March 24, with Twitch Drops available in the same period. Then, on March 27, there will be the monthly free content update, "bringing the next wave of Season 15 features to the seas. Hunters will soon have a new tool at their disposal with the introduction of the hunting spear for taking down big prey, even as the world around them fills with lively newcomers including lizards skittering across the sands and jellyfish drifting through the waves."March 27 will also see a new Xbox Game Pass Ultimate Perk available with the time-limited Seventh Serving Emote. Finally, on March 31, there will be a Microsoft Rewards Sea of Thieves Sweepstakes for a Sea of Thieves-themed Xbox controller.What do you make of Rare's plans for March? Let us know in the comments, and if you're looking for more MMO excellence, we have a round-up of all the best MMO games on Xbox.More Sea of Thieves stories: The best Xbox Game Pass games to play in March 2025 Sea of Thieves gets wild with Season 15 on Xbox this week The best MMO games to play in January 2025 Claim your Xbox Game Pass Ultimate Perks for December 2024 Sea of Thieves stealthy Season 14 Xbox achievements fixed in new update Xbox Series X|SXbox OneWindows Written by Heidi NicholasHeidi tends to lean towards indie games, RPGs, and open-world games on Xbox, and when not playing Disney Dreamlight Valley, happily installs every new wholesome game that appears on Xbox Game Pass, before diving back into favorites like The Witcher 3. She's looking forward to Age of Mythology Retold, Everwild, Fable, and Avowed on the Xbox horizon. Heidi graduated with an MA in English Literature before joining the TrueAchievements team.