Is Sea of Stars Crossplay?

No, Sea of Stars does not support crossplay.

No Crossplay
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Quick Answer: Does Sea of Stars have Crossplay & Cross-Progression?

No, Sea of Stars does not support crossplay at this time. As the game is local co-op only, cross-platform play is not applicable. Since there is no cross-platform support, cross-progression is also unavailable.

Last verified: January 12, 2026

How to Play Sea of Stars With Friends

  1. Connect additional controllers on the same system.
  2. Enable 'Single Player Plus' co-op in the game settings to allow up to 3 players.

Available Platforms

Sea of Stars is available on the following platforms:

PC
Xbox One+
PlayStation 4+
Nintendo Switch

Technical Details

How Sea of Stars Online Play Works

Sea of Stars does not feature online multiplayer. The game is primarily a single-player RPG with local co-op elements, but no official online components.

Sea of Stars Solo & Offline Play

Sea of Stars is designed as a single-player game and can be played entirely offline. All progress is saved locally, meaning that no internet connection is required to play.

Sea of Stars Local Co-Op & Split Screen

Sea of Stars supports local co-op for up to 3 players on the same system. Players can join in to assist during combat and exploration, but there is no split-screen mode; all players share the same screen.

Does Sea of Stars support Steam Deck?

Yes, Sea of Stars is playable on Steam Deck with performance adjustments available in settings.

Known Issues & Features

The game emphasizes a classic RPG experience with turn-based combat and exploration. Local co-op was added in a later update, but there are no online multiplayer features.

Frequently Asked Questions

Is there an online multiplayer mode?

No, the developers have focused purely on a local co-op experience and a solo campaign.

Can I use 'Steam Remote Play Together' to play with friends?

Yes, PC players can use Steam's remote play feature to simulate online play for the local co-op mode.

Does it have cross-save support?

No, your progress is tied to the local save data of the console or PC storefront you are using.