Explore the fascinating journey of hacking and un-hacking a logic game over two decades in this captivating conference talk from BSides Knoxville 2015. Delve into the speaker's experiences with the classic puzzle game "Lights Out" as they share insights, strategies, and discoveries made throughout their 20-year exploration. Learn about the intricacies of logic game mechanics, problem-solving techniques, and the evolution of hacking approaches applied to this enduring challenge. Gain valuable knowledge about game theory, algorithmic thinking, and the persistence required to unravel complex puzzles. Whether you're a puzzle enthusiast, game developer, or cybersecurity professional, this 43-minute presentation offers a unique perspective on the intersection of gaming, logic, and hacking.