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December 16, 2025, 5:22 AM EST. Team Cherry announces a free expansion for Hollow Knight: Silksong titled Sea of Sorrow, arriving in 2026 with new areas, bosses, tools and more. Hornet's adventures continue in a nautically themed update, free for all players. The company is also updating the original Hollow Knight: a Nintendo Switch 2 Edition will include Silksong-style enhancements (high frame rate, higher resolution, more effects) and will be a free update for Switch owners in 2026. Ahead of that, all versions of the original game will receive updates for current platforms, including full 16:10 and 21:9 aspect ratio support for Steam Decks and ultrawide monitors, plus a PC public beta.