Available on Steam , GOG , and the Epic Games Store .
Features permanent death (permadeath), where losing a captain often means starting a new legacy with limited inherited resources.
Steam occasionally hosts "Free Weekends" that allow players to play the full game for a limited time, often accompanied by deep discounts of up to 75% off ($4.74) for permanent purchase. Sunless Sea Free Download (v2.2.7)
The Zubmariner expansion adds the ability to dive beneath the zee surface to explore underwater ports and cities. SUNLESS SEA on Steam
The game has previously been featured as a "Free Game of the Week" on the Epic Games Store , where users could claim and keep it forever at no cost. Available on Steam , GOG , and the Epic Games Store
The game is standardly priced at across major PC and console storefronts.
Original supporters received the Zubmariner expansion free of charge. Key Game Features The Zubmariner expansion adds the ability to dive
Official free copies are typically limited-time promotional events: