User:SOTO/Forum Archive/The Panopticon/@comment-4843510-20161231124007/@comment-4843510-20161231124410

User:SOTO/Forum Archive/The Panopticon/@comment-4843510-20161231124007/@comment-4843510-20161231124410 DENCH-and-PALMER wrote: Robots is a hidden category, as it's part of the game of rassilon.

You'll see it in source editor. What's a hidden category and why do 'hidden categories' exist?