Editor's note: Jeff Minter's Polybius is out now, but the origins of that mythical game go back decades, and venture to some dark places. The Polybius story has everything. Shady government agents ...

What it’s about: A secret government program to control your mind, maaaaan! At least, that’s the paranoid notion at the heart of a conspiracy theory from the early 2000s that posits that the same ...