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Hollow Knight: Silksong Sea of Sorrow Revealed as Free Expansion

Hollow Knight: Silksong Sea of Sorrow Revealed as Free Expansion
Image: Steam
The Silksong Sea of Sorrow expansion is coming free in 2026, adding new areas, bosses, and tools for Hornet. Here is what Team Cherry has confirmed.

Silksong fans have another reason to celebrate. The Silksong Sea of Sorrow expansion is on the way, and it will be completely free for everyone who owns the game. Team Cherry revealed the add-on in its holiday 2025 update and promised a fresh voyage across and beneath the salt-stricken seas. The studio has set it for 2026, though it has not locked an exact day yet. So here is everything we know so far.

What the Silksong Sea of Sorrow expansion adds

Team Cherry is keeping the finer details under wraps, but the broad strokes sound generous. Sea of Sorrow sends Hornet to new areas across and beneath the seas, and it packs formidable new bosses to test your reflexes. You also get new Tools to fold into your kit, plus new characters, quests, and hidden secrets to uncover. Best of all, the studio confirmed the whole thing costs nothing. It is a free expansion for every Silksong owner, which is a rare and welcome move for content this size.

Hollow Knight Silksong Sea of Sorrow screenshot
Image: Steam

Release window, a physical edition, and Switch 2

The official word on timing is simply 2026. Some release trackers list a July date, but Team Cherry has not confirmed a specific day, so treat any exact date as unofficial for now. On the collector side, reports point to a physical edition through Fangamer on October 16, 2026 for PS5 and a Switch 2 Edition, priced around 40 dollars. That Switch 2 Edition pairs the cartridge with a free next-gen upgrade. When it lands, Sea of Sorrow will reach PS4, PS5, Switch, Switch 2, Xbox Series X and S, and PC.

Silksong’s blockbuster year

The timing makes sense, because Silksong has been a phenomenon. The game launched on September 4, 2025 and put you in control of Hornet across a huge, hand-crafted world. It then sold more than 7 million copies in roughly three months, and that figure does not even count its Game Pass players. On Steam alone it moved 3.2 million copies in two weeks and drew over 535,000 players at once in its first day. If you love the genre, our Metroidvania coverage has more to explore. A free expansion for an audience that large is a big deal.

Frequently asked questions

Is the Silksong Sea of Sorrow expansion free? Yes. Team Cherry confirmed it is free for everyone who owns Hollow Knight: Silksong.

When does Sea of Sorrow release? Team Cherry has set it for 2026 but has not announced an exact date yet.

What does the expansion add? New areas beneath the seas, new bosses, new tools for Hornet, and new characters, quests, and secrets.

Source: nintendoeverything.com

About the author

Ken Griffin

Ken Griffin received his first console at the age of 2, sparking a lifelong passion for video games. After graduating from college, he pursued a career in writing and used his gaming expertise to enter the industry, successfully blending his profession with his passion. Today, he enjoys researching and writing about video games, while also spending his free time playing titles such as Dota 2, World of Warcraft, and Sea of Thieves.

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