Xenia is an open-source emulator designed to play Xbox 360 games on modern PCs, essentially allowing users to run Xbox 360 titles on their computer without needing an actual Xbox 360 console; it's considered one of the most advanced Xbox 360 emulators available, although it is still under development and may require some technical knowledge to set up properly. Key points about Xenia: Function: Emulates Xbox 360 games Open-source: The code is freely accessible and can be modified by developers Platform: Primarily used on Windows PCs Development status: Considered a research project, meaning it is actively being developed and improved, but may not perfectly run all games