(e.g., a specific YouTube video description, a Discord server, or a forum like Reddit or XDA).

Knowing the features might help me track down the original creator or a mirror link.

To help you find this "long post" or the file itself, could you clarify a few things? is this mod for?

If you have the link to the "long post" you mentioned,

The name suggests it might be related to modifications or perhaps a specific game "Go" mod, but without more context, I can't pinpoint the exact source.