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Hollow Knight: Silksong’s Sea of Sorrow Expansion Is Free and Coming in 2026

Team Cherry announced Sea of Sorrow as a free, nautically themed Silksong expansion coming in 2026, without giving a specific release date.
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Team Cherry announced Hollow Knight: Silksong – Sea of Sorrow, a nautically themed expansion it said would be free for all players. The studio’s holiday 2025 post placed its arrival in 2026, but did not give a specific release date.

What is Sea of Sorrow?

Sea of Sorrow is the announced expansion to Hollow Knight: Silksong. Team Cherry describes it as nautically themed and says Hornet’s adventures continue in it. The announcement does not detail its locations, enemies, tools, or story.

Read the official holiday 2025 announcement for the studio’s statement.

Will the Silksong expansion be free?

Yes. Team Cherry said Sea of Sorrow would be free for all Silksong players. The announcement does not specify further purchase or platform conditions.

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#1 Best Overall
Hollow Knight: Silksong Standard - Nintendo Switch [Digital Code]
  • Discover the fallen insect kingdom of Pharloom! Explore mossy grottos, gilded cities and misted moors as you ascend to the shining citadel at the top of the world.
  • Engage in lethal acrobatic action! Wield a huge suite of deadly moves as you dance between foes in swift, beautiful combat.
  • Craft powerful tools! Master an ever-expanding arsenal of weapons, traps, and mechanisms to vanquish your enemies and explore new heights.
  • Solve shocking quests! Hunt down rare beasts and solve ancient mysteries to grant the wishes of the downtrodden and restore the kingdom’s hope.
  • Face over 200 ferocious foes! Beasts and hunters, monsters and knights. Defeat them all with bravery and skill!

When does Sea of Sorrow come out?

The holiday 2025 announcement said the expansion was coming “next year,” meaning 2026 in that announcement’s timeframe. It did not name a month or day, so there is no firm release date established by that post.

What details has Team Cherry confirmed?

The studio said it would keep further details secret for the time being and expected to share additional information shortly before release. Until then, specific claims about new areas, bosses, abilities, or plot points are unconfirmed by this announcement.

Rank #2
Hollow Knight: Silksong | Standard Edition | Xbox Digital
  • Hollow Knight: Silksong is the epic sequel to Hollow Knight, the award winning action-adventure.
  • Journey to all-new lands, discover new powers, battle vast hordes of bugs and beasts and uncover secrets tied to your nature and your past.
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Which platforms will get the expansion?

The announcement excerpt does not list platforms. Nintendo’s official store listing confirms that the base game is listed for Nintendo Switch, but that listing alone does not establish which platforms will receive Sea of Sorrow.

Quick Recap

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Hollow Knight (Nintendo Switch)
Hollow Knight (Nintendo Switch)
Classic side-scrolling action, with all the modern trimmings.
$38.49
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Hollow Knight - Nintendo Switch [Digital Code]
Hollow Knight - Nintendo Switch [Digital Code]
Classic side-scrolling action, with all the modern trimmings.
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Rank #4
Hollow Knight - Nintendo Switch [Digital Code]
  • Classic side-scrolling action, with all the modern trimmings.
  • Forge your own path! The world of Hallownest is expansive and open. Choose which paths you take, which enemies you face and find your own way forward.
  • Evolve with powerful new skills and abilities! Gain spells, strength and speed. Leap to new heights on ethereal wings. Dash forward in a blazing flash. Blast foes with fiery Soul!
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  • An enormous cast of cute and creepy characters all brought to life with traditional 2D frame-by-frame animation.
Rank #3
Hollow Knight (Nintendo Switch)
  • Classic side-scrolling action, with all the modern trimmings.
  • Tightly tuned 2D controls. Dodge, dash and slash your way through even the most deadly adversaries.
  • Explore a vast interconnected world of forgotten highways, overgrown wilds and ruined cities.
  • Forge your own path! The world of Hallownest is expansive and open. Choose which paths you take, which enemies you face and find your own way forward.
  • Evolve with powerful new skills and abilities! Gain spells, strength and speed. Leap to new heights on ethereal wings. Dash forward in a blazing flash. Blast foes with fiery Soul!.Equip Charms! Ancient relics that offer bizarre new powers and abilities. Choose your favourites and make your journey unique!.An enormous cast of cute and creepy characters all brought to life with traditional 2D frame-by-frame animation..

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