If you are looking for the "Region Free [ISO]" version, here is what you need to know about playing this classic today:
Choose from a wide array of mounted guns, rockets, and mines. Front-mounted weapons are for the offensive, while rear-facing secondaries are essential for defending your lead. Full Auto​ [Region Free][ISO]
ISO files are widely used for playing backups on modded systems or through emulators like Xenia . If you are looking for the "Region Free
Unfortunately, Full Auto is not currently part of the official Xbox backward compatibility list for Xbox One or Series X/S. Why Play It Today? Full Auto​ [Region Free][ISO]
While the Xbox 360 was technically a region-locked console, many games were released as region-free at the publisher's discretion.