Is Sea of Stars Crossplay?

No, Sea of Stars does not support crossplay.

No Crossplay
Community Verified
RPGAction

Quick Answer: Does Sea of Stars have Crossplay & Cross-Progression?

No, Sea of Stars does not support crossplay at this time. Players are limited to playing within their own platform's ecosystem. Cross-progression is not supported, so your saves stay tied to the platform you play on.

Note: Local co-op was added via the 'Dawn of Equilibrium' update, but it does not support online crossplay.
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.

Platform Compatibility

Sea of Stars is available on the following platforms:

PCXbox One+PlayStation 4+Nintendo Switch
Feature Supported Details
Crossplay No Players are limited to their own platform.
Cross-Progression No Saves and unlocks stay tied to each platform.
Split Screen / Couch Co-op Yes Two players can share one screen locally.

Does Sea of Stars Have Cross-Progression?

No — Sea of Stars does not support cross-progression. Saves and unlocks stay tied to the platform where you earned them.

Does Sea of Stars Have Split Screen / Couch Co-op?

Yes — Sea of Stars supports split screen / couch co-op, so players can share one screen on supported platforms.

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.

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.

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

Does Sea of Stars have online Co-Op?

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 Sea of Stars have cross-save support?

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

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