TL;DR
The Raspberry Pi Guide to Retro Gaming has just been released, providing a comprehensive resource for anyone interested in emulating classic games on Raspberry Pi devices. Since the original Raspberry Pi came out, enthusiasts have been utilizing its capabilities to run games from various retro consoles and computers. The guide offers a range of information, from setting up emulators to building custom gaming machines, including handhelds and arcade cabinets, with tips for optimizing the experience, such as running on CRT TVs.