The author stumbled upon Lunacy on Jeff Halter's website after exploring his Stacks modern HyperCard player. Lunacy is a modern player for the classic screensaver game Lunatic Fringe, created by Ben Haller and released in the early 90s. Lunatic Fringe was unique as it was an interactive game that allowed players to fly around, collect power-ups, and blast enemies while running as a screensaver. The game could be activated by toggling the Caps Lock key, and it was a fun experience for players. However, running Lunatic Fringe on modern computers has been a challenge due to compatibility issues. Fringe Player by Greg Parker was a solution during Apple's PPC and Intel era, but it is not supported on modern Apple platforms. Lunacy brings Lunatic Fringe to the present with a native Swift app and a built-in emulation engine that runs the original module unchanged on modern Apple platforms. The author is a fan of Lunatic Fringe, considering it one of their all-time favorite classic Mac games. Lunacy is a great modern player that includes CRT simulation to make the game look like it did back in the day. Overall, Lunacy provides a way for players to experience the classic game on modern devices with a nostalgic feel.