Batocera is a free and open-source operating system designed for retro gaming. It allows users to turn their computers or single-board computers, like the Raspberry Pi, into a dedicated gaming console. The system supports a wide range of emulators, enabling players to enjoy classic games from various platforms. The interface of Batocera is user-friendly, making it easy for both beginners and experienced gamers to navigate. It comes pre-configured with many emulators and can be customized to suit individual preferences. Users can also add their own game ROMs to expand their gaming library.