Released in 1990 by Steve Jackson Games, this supplement for the Generic Universal RolePlaying System (GURPS) did more than just add chrome plating to the rulebook. It predicted the rise of decentralized networks, data trafficking, and corporate espionage with terrifying accuracy. So much so that the United States Secret Service raided Steve Jackson Games in 1990, seizing the manuscript because they believed it was a manual for real-world computer hacking.