Sea of Thieves Season 20 Custom Seas Launches June 18
Rare's Sea of Thieves Season 20, titled Custom Seas, was announced during the Xbox Games Showcase 2026 on June 8. The free update lets players host competitive multiplayer matches and use a free camera for screenshots.
1 source Jun 7
Reporting from 1 source: Game Spark.
Why it matters
The Custom Seas update shifts Sea of Thieves toward player-hosted competitive play, a new direction for the live-service pirate game.
It arrives June 18 on PC, PS5, Xbox Series X|S, and Xbox One.
Rare's Sea of Thieves Season 20, named Custom Seas, was unveiled during the Xbox Games Showcase 2026 broadcast on June 8. The free update gives players the ability to host competitive multiplayer sessions and capture screenshots with a free camera. Season 20 launches on June 18 local time. Sea of Thieves is available on PC via Steam, Battle.net, and the Microsoft Store, as well as on PS5, Xbox Series X|S, and Xbox One.
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