: 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 Download Free PC Game
Note: Recent reports indicate it may be leaving the service on August 31, 2025. : A playable demo is available on Steam