Aside from the iQue Player, all of these devices were rebranded versions of the equivalent devices released by Nintendo in other regions, although as Nintendo begun to introduce more complex software environments that distinguished systems by region, iQue systems also gained unique software environments which introduced copy protection and region locking for iQue games. While Nintendo did not implement region locking in their devices until the DSi, iQue systems and games implemented region locking starting with the iQue DS which prevented iQue games from being played on systems of other regions. | Aside from the iQue Player, all of these devices were rebranded versions of the equivalent devices released by Nintendo in other regions, although as Nintendo begun to introduce more complex software environments that distinguished systems by region, iQue systems also gained unique software environments which introduced copy protection and region locking for iQue games. While Nintendo did not implement region locking in their devices until the DSi, iQue systems and games implemented region locking starting with the iQue DS which prevented iQue games from being played on systems of other regions. |