Once Human to Launch Isles of Abyss Scenario October 21
The new update brings ship-based exploration and underwater combat to the survival game.
Updated on Oct. 20, 2026 in Science Fiction
Live Poll
Do you find that frequent content expansions make games more enjoyable to play?
Starry Studio will release the Isles of Abyss scenario for Once Human on October 21, 2026. This expansion introduces custom ship building and specialized gear for navigating underwater environments.
Why it matters
The update expands the game's survival mechanics by challenging players to master maritime combat and resource management in a new setting. It also introduces new gear mods designed to deepen player customization options during the 21-day event.
The scenario spans a total of 21 days, split into an initial 5 to 10-day phase followed by an 11-day conclusion. Players can unlock rewards and features through community-driven server purification events.
The players
Starry Studio
This is the game development company responsible for creating and maintaining the open-world survival game Once Human.
The Sunken Lord
This is the primary antagonist and final boss that players face at the conclusion of the second phase of the scenario.
The details
Players will build and customize ships using various hull, bow, and deck components to engage in combat and exploration. Survival is aided by new ocean contamination-resistant suits and oxygen tanks, alongside gear mods like Precision Load and Turret Enhancement.
Timeline
The expansion launches on October 21, 2026, following a maintenance update.
The entire Isles of Abyss scenario lasts for 21 days.
Phase 1 of the scenario spans between 5 and 10 days.
Phase 2 of the scenario lasts for 11 days.
Industry Dynamics
This release follows the established cycle of seasonal content updates used by Once Human to maintain player engagement. It signals a move toward specialized environmental mechanics that differentiate its survival gameplay from other titles in the crowded genre.
Players can start the new content immediately following the October 21 maintenance update. Daily sign-ins during the event will grant access to exclusive legendary blueprints and a unique weapon skin.
The takeaway
Players should prepare to coordinate server purification efforts with their community to ensure all Phase 2 features are unlocked. Managing oxygen supplies and ship durability will be essential for successfully navigating the new underwater threats.
Further reading
Explore more upcoming titles and updates in the Science Fiction section.
Live Poll
Do you find that frequent content expansions make games more enjoyable to play?
