This page is our investigation of cross-play feature in game called Sea of Thieves. We also want to mention that - we always put manual efforts to find the precise, valid, and what is more important official information about different game features without using AI.
Games can have different cross-play combinations, for example the game can have cross-play between PC, Playstation 5, Xbox X|S, but not between old generations like: Xbox One, Playstation 4, PC. To avoid any misinterpretations, we group them into so called "cross-play variations".
Any store inside the cross-play variation have a cross-play only with a store in the SAME variation. We also want to notice, that we put into variation not platform, but store + platform. That is required because some games, for example, can have cross-play between a Playstation 5 and Steam, but not Playstation 5 and Epic Games.
Initially, Sea of Thieves had cross-play only between Xbox and the Microsoft Store. With some time after the release game got cross-play between Xbox, Microsoft Store, and Steam, what is can be found in this guide from the Sea Of Theives support page here
With a release on PlayStation 5 in April 2024, we got a full cross-play capability between all available platforms, and the information about that was also posted by the Sea of Thieves support page here.