If this is a mod for a game like Skyrim or Minecraft , I can write a script or a README for it.
Based on the phrasing, appears to be a specific digital archive (compressed file) containing assets for a project—most likely a chess-themed puzzle , a creative writing prompt , or a digital mod . three_horses.7z
The file sat on the desktop like a heavy, locked crate: three_horses.7z . If this is a mod for a game