Dash through Pharloom as Sonic.
SonicFall is a single-player Hollow Knight mashup vertical slice. It uses the player's standard Steam copies of Hollow Knight and Sonic Mania.
The plugin runs inside Hollow Knight through the Hollow Knight Modding API. At runtime it reads Data.rsdk from the player's Sonic Mania Steam folder, extracts only the named Sonic sprite and sound effects into a private cache, and never ships Sonic Mania content.
Current first playable scope: Sonic's avatar, faster movement, a Sonic-styled Spin Dash attack presentation, and a route that persists from King's Pass through Dirtmouth. The Eggman-machine finale is designed but explicitly disabled until it has a native Hollow Knight encounter and real-game test.
Build with work/.dotnet/dotnet build src/SonicFall/SonicFall.csproj. Run tools/preflight.ps1 before every build.
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