Hollow Knight: Silksong – Sea of Sorrow is announced for release in 2026. Team Cherry has not announced a month, day, or season. The developer said the expansion will be free for all players and that more details will arrive shortly before release.
When does Sea of Sorrow come out?
Team Cherry announced a 2026 release period on December 15, 2025, without giving an exact date or a narrower window. That means the confirmed answer is the year only—not a season, quarter, or predicted launch day.
In a March 16, 2026 update, Team Cherry described Sea of Sorrow as upcoming and said Patch 5 was intended to be the last significant update before the expansion. The post did not provide a more specific release window. It is not, by itself, a release-date announcement. Team Cherry’s Patch 5 update
What has Team Cherry confirmed about the expansion?
It will be free
Team Cherry said Sea of Sorrow will be free for all players. It is an expansion to Hollow Knight: Silksong, rather than a separately priced game. Team Cherry’s announcement
It has a nautical theme
The developer describes the expansion as nautically themed and has named “new areas, bosses, tools, and more” among its content. It has not yet detailed those additions. Sea of Sorrow announcement details
More information is expected closer to release
Team Cherry said it would keep further details secret for now and share additional information shortly before the expansion releases. Ari Gibson wrote: “We’ll keep further details a secret for now, but expect additional info shortly before Hollow Knight: Silksong – Sea of Sorrow releases.” Ari Gibson’s statement
Rank #2
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What the announcement does not establish
- An exact launch date: No month or day was specified.
- A season or quarter: The announced window is 2026 only.
- A detailed platform rollout: The announcement information cited here does not establish platform-by-platform availability for the expansion.
- All of the expansion’s contents: Team Cherry named areas, bosses, and tools, but has not publicly detailed them in the announcement.
Team Cherry also reported in its December 15, 2025 announcement that Silksong had more than seven million purchases, plus millions more players through Xbox Game Pass. That is the developer’s 2025 figure, not an independently audited sales count. Team Cherry’s player and purchase figure
Quick Recap
Rank #4
Rank #3
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