Development for the 360 and PS3 versions ended with Patch 2.0.6 . This means newer features like Greater Rifts , The Vault , and the Necromancer class (available in the Eternal Collection for Xbox One/Series X) are not present.
You can often find used copies at GameStop or through local second-hand marketplaces. Diablo 3 Reaper Souls Xbox 360
If you eventually upgrade, you can transfer your Xbox 360 save data to the Xbox One or Xbox Series X|S versions of the game. 4. How to Buy Development for the 360 and PS3 versions ended with Patch 2
While the 360 disc works on its original hardware, Diablo III for Xbox 360 is not on the Official Backward Compatibility List for Xbox One/Series X. To play on modern consoles, you must buy the Xbox One version. Diablo 3 Reaper Souls Xbox 360