The Xbox Series X/S actually runs the original Xbox 360 version via backward compatibility, enhanced with 4K resolution and smoother frame rates. This is the definitive way to play if you own modern Xbox hardware.
distributed only to industry judges—the game is mostly archived as a digital XBLA file. Gameplay Highlights Four-Player Mayhem Castle Crashers Xbox 360 Rom
Legal, ethical, and preservation considerations The Xbox Series X/S actually runs the original