: A playable demo is available on Steam and other digital storefronts, allowing you to experience a slice of the gameplay and art style before committing to a purchase.

: A free story DLC released in May 2025 that adds roughly 5–8 hours of new content, including new areas and a playable class. Game Overview Sea of Stars on Steam

: Sea of Stars is included in the Xbox Game Pass library for PC and Console. Subscribers can download and play the full game as part of their monthly membership.